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[ { "content": "Problem: Among the 900 residents of Aimeville, there are 195 who own a diamond ring, 367 who own a set of golf clubs, and 562 who own a garden spade. In addition, each of the 900 residents owns a bag of candy hearts. There are 437 residents who own exactly two of these things, and 234 residents wh...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 0, "temperature": 0.7 }
0
0
AIME24
{ "expected_answer": "73", "problem_id": "aime24-0", "reference_solution": "Let $w,x,y,z$ denote the number of residents who own 1,2,3 and 4 of these items, respectively. We know $w+x+y+z=900$ , since there are 900 residents in total. This simplifies to $w+z=229$ , since we know $x=437$ and $y=234$ . Now, w...
Alright, let's tackle this problem step by step. It's about set theory, specifically dealing with the principle of inclusion-exclusion. The problem states that there are 900 residents in Aimeville, each owning a bag of candy hearts. Additionally, they own either a diamond ring, a set of golf clubs, or a garden spade. T...
[ { "content": "Problem: A list of positive integers has the following properties: $\\bullet$ The sum of the items in the list is $30$ . $\\bullet$ The unique mode of the list is $9$ . $\\bullet$ The median of the list is a positive integer that does not appear in the list itself. Find the sum of the squares...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 0, "temperature": 0.7 }
0
1
AIME24
{ "expected_answer": "236", "problem_id": "aime24-1", "reference_solution": "The third condition implies that the list's size must be an even number, as if it were an odd number, the median of the list would surely appear in the list itself. Therefore, we can casework on what even numbers work. Say the size is 2....
Alright, let's tackle this problem step by step. So, we have a list of positive integers with three main properties: 1. The sum of all the numbers in the list is 30. 2. The unique mode of the list is 9. That means 9 appears more frequently than any other number, and no other number repeats as much as 9 does. 3. The me...
[ { "content": "Problem: Find the number of ways to place a digit in each cell of a 2x3 grid so that the sum of the two numbers formed by reading left to right is $999$ , and the sum of the three numbers formed by reading top to bottom is $99$ . The grid below is an example of such an arrangement because $8+99...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 0, "temperature": 0.7 }
0
2
AIME24
{ "expected_answer": "45", "problem_id": "aime24-2", "reference_solution": "Consider this table: $\\begin{array}{|c|c|c|} \\hline a & b & c \\\\ \\hline d & e & f\\\\ \\hline \\end{array}$ We note that $c+f = 9$ , because $c+f \\leq 18$ , meaning it never achieves a unit's digit sum of $9$ otherwise. Since no...
Alright, let's tackle this problem step by step. So, we have a 2x3 grid, and each cell must contain a digit. The two numbers formed by reading left to right should sum up to 999, and the three numbers formed by reading top to bottom should sum up to 99. The example given is a grid where the first row is 0,0,8 and the s...
[ { "content": "Problem: Let $x,y$ and $z$ be positive real numbers that satisfy the following system of equations:\n \\[\\log_2\\left({x \\over yz}\\right) = {1 \\over 2}\\] \\[\\log_2\\left({y \\over xz}\\right) = {1 \\over 3}\\] \\[\\log_2\\left({z \\over xy}\\right) = {1 \\over 4}\\] \nThen the value of...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 0, "temperature": 0.7 }
0
3
AIME24
{ "expected_answer": "33", "problem_id": "aime24-3", "reference_solution": "Denote $\\log_2(x) = a$ , $\\log_2(y) = b$ , and $\\log_2(z) = c$ . Then, we have:\n $a-b-c = \\frac{1}{2}$ \n $-a+b-c = \\frac{1}{3}$ \n $-a-b+c = \\frac{1}{4}$ Now, we can solve to get $a = \\frac{-7}{24}, b = \\frac{-9}{24}, c = \\...
Alright, let's tackle this problem step by step. It's about solving a system of logarithmic equations involving variables x, y, and z, all positive real numbers. The goal is to find the value of |log₂(x⁴y³z²)| expressed as m/n where m and n are coprime, and then find m + n. First, let me write down the given equation...
[ { "content": "Problem: Let ABCDEF be a convex equilateral hexagon in which all pairs of opposite sides are parallel. The triangle whose sides are extensions of segments AB, CD, and EF has side lengths 200, 240, and 300. Find the side length of the hexagon.\nMark your solution with \\boxed\nAnswer:", "role":...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 0, "temperature": 0.7 }
0
4
AIME24
{ "expected_answer": "80", "problem_id": "aime24-4", "reference_solution": "Draw a good diagram!\nLet $AF \\cap BC$ , $BC \\cap DE$ , and $AF \\cap DE$ be K, L, and M, respectively. Let $KL=200, KM=300, ML=240$ . Notice that all smaller triangles formed are all similar to the larger $(200,240,300)$ triangl...
Alright, let's tackle this problem step by step. So, we have a convex equilateral hexagon ABCDEF where all pairs of opposite sides are parallel. That means AB is parallel to DE, BC to EF, and CD to FA. The sides of the hexagon are all equal in length, which is the equilateral part. The triangle formed by extending the ...
[ { "content": "Problem: Alice chooses a set $A$ of positive integers. Then Bob lists all finite nonempty sets $B$ of positive integers with the property that the maximum element of $B$ belongs to $A$ . Bob's list has 2024 sets. Find the sum of the elements of A.\nMark your solution with \\boxed\nAnswer:",...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 0, "temperature": 0.7 }
0
5
AIME24
{ "expected_answer": "55", "problem_id": "aime24-5", "reference_solution": "Let $k$ be one of the elements in Alices set $A$ of positive integers. The number of sets that Bob lists with the property that their maximum element is k is $2^{k-1}$ , since every positive integer less than k can be in the set or o...
Alright, let's tackle this problem step by step. So, Alice picks a set A of positive integers. Then Bob makes a list of all possible finite nonempty sets B of positive integers where the maximum element of B is in A. The list has 2024 sets. We need to find the sum of the elements of A. First, let me parse the problem...
[ { "content": "Problem: Let $N$ be the greatest four-digit positive integer with the property that whenever one of its digits is changed to $1$ , the resulting number is divisible by $7$ . Let $Q$ and $R$ be the quotient and remainder, respectively, when $N$ is divided by $1000$ . Find $Q+R$ .\nMark ...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 0, "temperature": 0.7 }
0
6
AIME24
{ "expected_answer": "699", "problem_id": "aime24-6", "reference_solution": "We note that by changing a digit to $1$ for the number $\\overline{abcd}$ , we are subtracting the number by either $1000(a-1)$ , $100(b-1)$ , $10(c-1)$ , or $d-1$ . Thus, $1000a + 100b + 10c + d \\equiv 1000(a-1) \\equiv 100(b-1...
Alright, let's tackle this problem step by step. So, we need to find the greatest four-digit number N such that if we change any one of its digits to 1, the resulting number is divisible by 7. Then, once we find N, we have to divide it by 1000, get the quotient Q and remainder R, and add them together. Hmm, okay. Firs...
[ { "content": "Problem: Torus $T$ is the surface produced by revolving a circle with radius $3$ around an axis in the plane of the circle that is a distance $6$ from the center of the circle (so like a donut). Let $S$ be a sphere with a radius $11$ . When $T$ rests on the inside of $S$ , it is intern...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 0, "temperature": 0.7 }
0
7
AIME24
{ "expected_answer": "127", "problem_id": "aime24-7", "reference_solution": "First, let's consider a section $\\mathcal{P}$ of the solids, along the axis.\nBy some 3D-Geomerty thinking, we can simply know that the axis crosses the sphere center. So, that is saying, the $\\mathcal{P}$ we took crosses one of th...
Alright, let's tackle this problem step by step. It's about a torus (which is like a donut shape) inside and outside a sphere, and we need to find the difference between the radii of the circles where they are tangent. Then, express that difference as a reduced fraction and add the numerator and denominator. First, le...
[ { "content": "Problem: There is a collection of $25$ indistinguishable white chips and $25$ indistinguishable black chips. Find the number of ways to place some of these chips in the $25$ unit cells of a $5\\times5$ grid such that: each cell contains at most one chip all chips in the same row and all ch...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 0, "temperature": 0.7 }
0
8
AIME24
{ "expected_answer": "902", "problem_id": "aime24-8", "reference_solution": "The problem says \"some\", so not all cells must be occupied.\nWe start by doing casework on the column on the left. There can be 5,4,3,2, or 1 black chip. The same goes for white chips, so we will multiply by 2 at the end. There is $1$...
Alright, let's tackle this problem step by step. So, we have a 5x5 grid, and we need to place some white and black chips on the cells. The rules are: 1. Each cell can contain at most one chip. 2. In each row, all the chips must be of the same color. 3. In each column, all the chips must be of the same color. 4. If we ...
[ { "content": "Problem: Let $\\triangle ABC$ have circumcenter $O$ and incenter $I$ with $\\overline{IA}\\perp\\overline{OI}$ , circumradius $13$ , and inradius $6$ . Find $AB\\cdot AC$ .\nMark your solution with \\boxed\nAnswer:", "role": "user" } ]
{ "do_sample": false, "max_new_tokens": 32768, "seed": 0, "temperature": 0.7 }
0
9
AIME24
{ "expected_answer": "468", "problem_id": "aime24-9", "reference_solution": "By Euler's formula $OI^{2}=R(R-2r)$ , we have $OI^{2}=13(13-12)=13$ . Thus, by the Pythagorean theorem, $AI^{2}=13^{2}-13=156$ . Let $AI\\cap(ABC)=M$ ; notice $\\triangle AOM$ is isosceles and $\\overline{OI}\\perp\\overline{AM}$ ...
Alright, let's tackle this geometry problem step by step. So, we have a triangle ABC with circumradius R = 13 and inradius r = 6. The circumcenter is O and the incenter is I. The condition given is that IA is perpendicular to OI. We need to find the product AB * AC. Hmm, okay. Let me recall some formulas and relationsh...
[ { "content": "Problem: Find the number of triples of nonnegative integers $(a,b,c)$ satisfying $a + b + c = 300$ and\n \\[a^2b + a^2c + b^2a + b^2c + c^2a + c^2b = 6,000,000.\\]\nMark your solution with \\boxed\nAnswer:", "role": "user" } ]
{ "do_sample": false, "max_new_tokens": 32768, "seed": 0, "temperature": 0.7 }
0
10
AIME24
{ "expected_answer": "601", "problem_id": "aime24-10", "reference_solution": "$ab(a+b)+bc(b+c)+ac(a+c)=300(ab+bc+ac)-3abc=6000000, 100(ab+bc+ac)-abc=2000000$ Note that \n $(100-a)(100-b)(100-c)=1000000-10000(a+b+c)+100(ab+bc+ac)-abc=0$ . Thus, $a/b/c=100$ . There are $201$ cases for each but we need to subtrac...
Alright, let's tackle this problem step by step. It's asking for the number of triples of nonnegative integers (a, b, c) such that a + b + c = 300 and the sum a²b + a²c + b²a + b²c + c²a + c²b equals 6,000,000. Hmm, okay. Let me start by analyzing the given equations. First, we have the simple sum a + b + c = 300. Tha...
[ { "content": "Problem: Let \\(O=(0,0)\\), \\(A=\\left(\\tfrac{1}{2},0\\right)\\), and \\(B=\\left(0,\\tfrac{\\sqrt{3}}{2}\\right)\\) be points in the coordinate plane. Let \\(\\mathcal{F}\\) be the family of segments \\(\\overline{PQ}\\) of unit length lying in the first quadrant with \\(P\\) on the \\(x\\)-axi...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 0, "temperature": 0.7 }
0
11
AIME24
{ "expected_answer": "23", "problem_id": "aime24-11", "reference_solution": "Begin by finding the equation of the line $\\overline{AB}$ : $y= -\\sqrt{3}x+\\frac{\\sqrt{3}}{2}$ Now, consider the general equation of all lines that belong to $\\mathcal{F}$ . Let $P$ be located at $(a,0)$ and $Q$ be located...
Alright, let's tackle this problem step by step. It's about a family of segments in the first quadrant, each of unit length, with one endpoint on the x-axis and the other on the y-axis. The goal is to find a unique point C on segment AB (connecting (0,0) to (0, sqrt(3)/2) and (1/2,0)) that doesn't belong to any of thes...
[ { "content": "Problem: Let $\\omega\\neq 1$ be a 13th root of unity. Find the remainder when\n \\[\\prod_{k=0}^{12}(2-2\\omega^k+\\omega^{2k})\\] \nis divided by 1000.\nMark your solution with \\boxed\nAnswer:", "role": "user" } ]
{ "do_sample": false, "max_new_tokens": 32768, "seed": 0, "temperature": 0.7 }
0
12
AIME24
{ "expected_answer": "321", "problem_id": "aime24-12", "reference_solution": "\\[\\prod_{k=0}^{12} \\left(2- 2\\omega^k + \\omega^{2k}\\right) = \\prod_{k=0}^{12} \\left((1 - \\omega^k)^2 + 1\\right) = \\prod_{k=0}^{12} \\left((1 + i) - \\omega^k)((1 - i) - \\omega^k\\right)\\] Now, we consider the polynomial $x...
Alright, let's tackle this problem step by step. So, we have a product of terms involving 13th roots of unity, and we need to find the remainder when this product is divided by 1000. Let me start by understanding the problem more clearly. First, the problem states that ω ≠ 1 is a 13th root of unity. That means ω is a ...
[ { "content": "Problem: Let \\(b\\ge 2\\) be an integer. Call a positive integer \\(n\\) \\(b\\text-\\textit{eautiful}\\) if it has exactly two digits when expressed in base \\(b\\) and these two digits sum to \\(\\sqrt n\\). For example, \\(81\\) is \\(13\\text-\\textit{eautiful}\\) because \\(81 = \\underlin...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 0, "temperature": 0.7 }
0
13
AIME24
{ "expected_answer": "211", "problem_id": "aime24-13", "reference_solution": "We write the base- $b$ two-digit integer as $\\left( xy \\right)_b$ .\nThus, this number satisfies\n \\[ \\left( x + y \\right)^2 = b x + y \\] \nwith $x \\in \\left\\{ 1, 2, \\cdots , b-1 \\right\\}$ and $y \\in \\left\\{ 0, 1, \\...
Alright, let's tackle this problem step by step. So, we need to find the smallest integer \( b \ge 2 \) such that there are more than ten \( b \)-beautiful numbers. Each \( b \)-beautiful number \( n \) has exactly two digits in base \( b \), and the sum of those two digits equals \( \sqrt{n} \). Let's break this down....
[ { "content": "Problem: Find the number of rectangles that can be formed inside a fixed regular dodecagon ( $12$ -gon) where each side of the rectangle lies on either a side or a diagonal of the dodecagon. The diagram below shows three of those rectangles. [asy] unitsize(0.6 inch); for(int i=0; i<360; i+=30) { d...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 0, "temperature": 0.7 }
0
14
AIME24
{ "expected_answer": "315", "problem_id": "aime24-14", "reference_solution": "By Furaken There are two kinds of such rectangles: those whose sides are parallel to some edges of the regular 12-gon (Case 1), and those whose sides are not (Case 2). For Case 1, WLOG assume that the rectangle's sides are horizontal an...
Alright, let's tackle this problem step by step. So, we need to find the number of rectangles that can be formed inside a regular dodecagon (12-gon) where each side of the rectangle lies on either a side or a diagonal of the dodecagon. The Asymptote code provided draws a regular dodecagon with each vertex connected to ...
[ { "content": "Problem: Every morning Aya goes for a $9$ -kilometer-long walk and stops at a coffee shop afterwards. When she walks at a constant speed of $s$ kilometers per hour, the walk takes her 4 hours, including $t$ minutes spent in the coffee shop. When she walks $s+2$ kilometers per hour, the walk...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 0, "temperature": 0.7 }
0
15
AIME24
{ "expected_answer": "204", "problem_id": "aime24-15", "reference_solution": "$\\frac{9}{s} + t = 4$ in hours and $\\frac{9}{s+2} + t = 2.4$ in hours. Subtracting the second equation from the first, we get, $\\frac{9}{s} - \\frac{9}{s+2} = 1.6$ Multiplying by $(s)(s+2)$ , we get $9s+18-9s=18=1.6s^{2} + 3.2s$ ...
Alright, let's tackle this problem step by step. So, Aya walks 9 kilometers every morning and stops at a coffee shop afterwards. The time she spends walking and in the coffee shop is 4 hours total when she walks at speed s km/h, and 2 hours and 24 minutes when she walks at s + 2 km/h. We need to find how long the walk ...
[ { "content": "Problem: There exist real numbers $x$ and $y$ , both greater than 1, such that $\\log_x\\left(y^x\\right)=\\log_y\\left(x^{4y}\\right)=10$ . Find $xy$ .\nMark your solution with \\boxed\nAnswer:", "role": "user" } ]
{ "do_sample": false, "max_new_tokens": 32768, "seed": 0, "temperature": 0.7 }
0
16
AIME24
{ "expected_answer": "25", "problem_id": "aime24-16", "reference_solution": "By properties of logarithms, we can simplify the given equation to $x\\log_xy=4y\\log_yx=10$ . Let us break this into two separate equations: \\[x\\log_xy=10\\] \n \\[4y\\log_yx=10.\\] \nWe multiply the two equations to get: \n \\[4xy\\...
Alright, let's tackle this problem step by step. It's about finding real numbers x and y, both greater than 1, such that two logarithmic equations are equal to 10. The equations are: 1. log_x(y^x) = 10 2. log_y(x^{4y}) = 10 And we need to find the product xy. Hmm, okay. Let me start by recalling some logarithm proper...
[ { "content": "Problem: Alice and Bob play the following game. A stack of $n$ tokens lies before them. The players take turns with Alice going first. On each turn, the player removes either $1$ token or $4$ tokens from the stack. Whoever removes the last token wins. Find the number of positive integers $n...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 0, "temperature": 0.7 }
0
17
AIME24
{ "expected_answer": "809", "problem_id": "aime24-17", "reference_solution": "Let's first try some experimentation. Alice obviously wins if there is one coin. She will just take it and win. If there are 2 remaining, then Alice will take one and then Bob will take one, so Bob wins. If there are $3$ , Alice will t...
Alright, let's tackle this game theory problem step by step. The game is about Alice and Bob taking turns removing either 1 or 4 tokens from a stack of n tokens. The player who removes the last token wins. We need to find how many positive integers n ≤ 2024 allow Bob to have a winning strategy regardless of Alice's mov...
[ { "content": "Problem: Jen enters a lottery by picking $4$ distinct numbers from $S=\\{1,2,3,\\cdots,9,10\\}.$ $4$ numbers are randomly chosen from $S.$ She wins a prize if at least two of her numbers were $2$ of the randomly chosen numbers, and wins the grand prize if all four of her numbers were the...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 0, "temperature": 0.7 }
0
18
AIME24
{ "expected_answer": "116", "problem_id": "aime24-18", "reference_solution": "This is a conditional probability problem. Bayes' Theorem states that \n \\[P(A|B)=\\dfrac{P(B|A)\\cdot P(A)}{P(B)}\\] in other words, the probability of $A$ given $B$ is equal to the probability of $B$ given $A$ times the proba...
Alright, let's tackle this probability problem step by step. So, Jen picks 4 distinct numbers from the set S = {1,2,3,...,10}, and 4 numbers are randomly chosen from S. She wins a prize if at least two of her numbers match the randomly chosen numbers, and wins the grand prize if all four of her numbers match. We need t...
[ { "content": "Problem: Rectangles $ABCD$ and $EFGH$ are drawn such that $D,E,C,F$ are collinear. Also, $A,D,H,G$ all lie on a circle. If $BC=16$ , $AB=107$ , $FG=17$ , and $EF=184$ , what is the length of $CE$ ? [asy] import graph; unitsize(0.1cm); pair A = (0,0);pair B = (70,0);pair C = (70,16);pai...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 0, "temperature": 0.7 }
0
19
AIME24
{ "expected_answer": "104", "problem_id": "aime24-19", "reference_solution": "We use simple geometry to solve this problem. [asy] import graph; unitsize(0.1cm); pair A = (0,0);pair B = (107,0);pair C = (107,16);pair D = (0,16);pair E = (3,16);pair F = (187,16);pair G = (187,33);pair H = (3,33); label(\"$A$\", A,...
Alright, let's tackle this geometry problem step by step. So, we have two rectangles, ABCD and EFGH. The problem states that D, E, C, F are collinear. Also, A, D, H, G all lie on a circle. Given the lengths BC=16, AB=107, FG=17, and EF=184. We need to find the length of CE. First, let me visualize the rectangles. ABCD...
[ { "content": "Problem: Consider the paths of length $16$ that follow the lines from the lower left corner to the upper right corner on an $8\\times 8$ grid. Find the number of such paths that change direction exactly four times, as in the examples shown below. [asy] size(10cm); usepackage(\"tikz\");label(\"...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 0, "temperature": 0.7 }
0
20
AIME24
{ "expected_answer": "294", "problem_id": "aime24-20", "reference_solution": "We divide the path into eight “ $R$ ” movements and eight “ $U$ ” movements. Five sections of alternative $RURUR$ or $URURU$ are necessary in order to make four “turns.” We use the first case and multiply by $2$ . <br/>\nFor $U$ ,...
Alright, let's tackle this problem step by step. So, we need to find the number of paths of length 16 on an 8x8 grid that go from the lower left corner to the upper right corner, changing direction exactly four times. Let me try to visualize this first. First, an 8x8 grid means we have 8 rows and 8 columns. The lower ...
[ { "content": "Problem: Find the largest possible real part of \\[(75+117i)z+\\frac{96+144i}{z}\\] where $z$ is a complex number with $|z|=4$ .\nMark your solution with \\boxed\nAnswer:", "role": "user" } ]
{ "do_sample": false, "max_new_tokens": 32768, "seed": 0, "temperature": 0.7 }
0
21
AIME24
{ "expected_answer": "540", "problem_id": "aime24-21", "reference_solution": "Let $z=a+bi$ such that $a^2+b^2=4^2=16$ . The expression becomes: \\[(75+117i)(a+bi)+\\dfrac{96+144i}{a+bi}.\\] Call this complex number $w$ . We simplify this expression. \\begin{align*}\nw&=(75+117i)(a+bi)+\\dfrac{96+144i}{a+bi} \...
Alright, let's tackle this problem step by step. So, we need to find the largest possible real part of the expression \((75 + 117i)z + \frac{96 + 144i}{z}\), where \(z\) is a complex number with \(|z| = 4\). Hmm, okay. Let me start by recalling some complex number basics. First, since \(|z| = 4\), we can represent \(z...
[ { "content": "Problem: Eight circles of radius $34$ are sequentially tangent, and two of the circles are tangent to $AB$ and $BC$ of triangle $ABC$ , respectively. $2024$ circles of radius $1$ can be arranged in the same manner. The inradius of triangle $ABC$ can be expressed as $\\frac{m}{n}$ , w...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 0, "temperature": 0.7 }
0
22
AIME24
{ "expected_answer": "197", "problem_id": "aime24-22", "reference_solution": "Draw an altitude from both end circles of the diagram with the circles of radius one, and call the lengths you get drawing the altitudes of the circles down to $BC$ $a$ and $b$ . Now we have the length of side $BC$ of being $(2)...
Alright, let's tackle this problem step by step. It's about a triangle ABC with two circles tangent to its sides AB and BC, and then there are 2024 circles arranged similarly. We need to find the inradius of triangle ABC, which can be expressed as a fraction m/n where m and n are coprime, and then find m + n. First, l...
[ { "content": "Problem: Let $A$ , $B$ , $C$ , and $D$ be points on the hyperbola $\\frac{x^2}{20}- \\frac{y^2}{24} = 1$ such that $ABCD$ is a rhombus whose diagonals intersect at the origin. Find the greatest real number that is less than $BD^2$ for all such rhombi.\nMark your solution with \\boxed\nA...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 0, "temperature": 0.7 }
0
23
AIME24
{ "expected_answer": "480", "problem_id": "aime24-23", "reference_solution": "A quadrilateral is a rhombus if and only if its two diagonals bisect each other and are perpendicular to each other. The first condition is automatically satisfied because of the hyperbola's symmetry about the origin. To satisfy the sec...
Alright, let's tackle this problem step by step. So, we have a hyperbola given by the equation \(\frac{x^2}{20} - \frac{y^2}{24} = 1\). Points A, B, C, D lie on this hyperbola forming a rhombus with diagonals intersecting at the origin. We need to find the greatest real number less than \(BD^2\) for all such rhombi. F...
[ { "content": "Problem: Let $ABC$ be a triangle inscribed in circle $\\omega$ . Let the tangents to $\\omega$ at $B$ and $C$ intersect at point $D$ , and let $\\overline{AD}$ intersect $\\omega$ at $P$ . If $AB=5$ , $BC=9$ , and $AC=10$ , $AP$ can be written as the form $\\frac{m}{n}$ , wher...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 0, "temperature": 0.7 }
0
24
AIME24
{ "expected_answer": "113", "problem_id": "aime24-24", "reference_solution": "From the tangency condition we have $\\let\\angle BCD = \\let\\angle CBD = \\let\\angle A$ . With LoC we have $\\cos(A) = \\frac{25+100-81}{2*5*10} = \\frac{11}{25}$ and $\\cos(B) = \\frac{81+25-100}{2*9*5} = \\frac{1}{15}$ . Then, ...
Alright, let's tackle this geometry problem step by step. So, we have a triangle ABC inscribed in a circle ω. The tangents to ω at points B and C intersect at point D. Then, AD intersects ω again at point P. We're given the lengths AB = 5, BC = 9, and AC = 10. We need to find AP in the form m/n where m and n are coprim...
[ { "content": "Problem: Each vertex of a regular octagon is independently colored either red or blue with equal probability. The probability that the octagon can then be rotated so that all of the blue vertices end up at positions where there were originally red vertices is $\\tfrac{m}{n}$ , where $m$ and $n...
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0
25
AIME24
{ "expected_answer": "371", "problem_id": "aime24-25", "reference_solution": "Notice that the question's condition mandates all blues to go to reds, but reds do not necessarily have to go to blue. Let us do casework on how many blues there are. If there are no blues whatsoever, there is only one case. This case i...
Alright, let's tackle this problem step by step. So, we have a regular octagon, each vertex is colored either red or blue with equal probability. We need to find the probability that when the octagon is rotated, all the blue vertices end up at positions originally colored red. The answer should be in the form m/n where...
[ { "content": "Problem: Define $f(x)=|| x|-\\tfrac{1}{2}|$ and $g(x)=|| x|-\\tfrac{1}{4}|$ . Find the number of intersections of the graphs of \\[y=4 g(f(\\sin (2 \\pi x))) \\quad\\text{ and }\\quad x=4 g(f(\\cos (3 \\pi y))).\\]\nMark your solution with \\boxed\nAnswer:", "role": "user" } ]
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0
26
AIME24
{ "expected_answer": "385", "problem_id": "aime24-26", "reference_solution": "If we graph $4g(f(x))$ , we see it forms a sawtooth graph that oscillates between $0$ and $1$ (for values of $x$ between $-1$ and $1$ , which is true because the arguments are between $-1$ and $1$ ). Thus by precariously dr...
Alright, let's tackle this problem step by step. It's a bit intimidating with all those nested absolute value functions and trigonometric functions, but I'll try to break it down. The problem is asking for the number of intersections between the graphs of \( y = 4g(f(\sin(2\pi x))) \) and \( x = 4g(f(\cos(3\pi y))) \)....
[ { "content": "Problem: Let $p$ be the least prime number for which there exists a positive integer $n$ such that $n^{4}+1$ is divisible by $p^{2}$ . Find the least positive integer $m$ such that $m^{4}+1$ is divisible by $p^{2}$ .\nMark your solution with \\boxed\nAnswer:", "role": "user" } ]
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0
27
AIME24
{ "expected_answer": "110", "problem_id": "aime24-27", "reference_solution": "If \\(p=2\\), then \\(4\\mid n^4+1\\) for some integer \\(n\\). But \\(\\left(n^2\\right)^2\\equiv0\\) or \\(1\\pmod4\\), so it is impossible. Thus \\(p\\) is an odd prime. For integer \\(n\\) such that \\(p^2\\mid n^4+1\\), we have \\(...
Alright, let's tackle this problem step by step. So, we need to find the least prime number \( p \) such that there exists a positive integer \( n \) where \( n^4 + 1 \) is divisible by \( p^2 \). Then, once we find that prime \( p \), we have to find the least positive integer \( m \) such that \( m^4 + 1 \) is divisi...
[ { "content": "Problem: Let $ABCD$ be a tetrahedron such that $AB=CD= \\sqrt{41}$ , $AC=BD= \\sqrt{80}$ , and $BC=AD= \\sqrt{89}$ . There exists a point $I$ inside the tetrahedron such that the distances from $I$ to each of the faces of the tetrahedron are all equal. This distance can be written in the ...
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0
28
AIME24
{ "expected_answer": "104", "problem_id": "aime24-28", "reference_solution": "Notice that \\(41=4^2+5^2\\), \\(89=5^2+8^2\\), and \\(80=8^2+4^2\\), let \\(A~(0,0,0)\\), \\(B~(4,5,0)\\), \\(C~(0,5,8)\\), and \\(D~(4,0,8)\\). Then the plane \\(BCD\\) has a normal\n\\begin{equation*}\n\\mathbf n:=\\frac14\\overright...
Alright, let's tackle this problem step by step. So, we have a tetrahedron ABCD with specific edge lengths: AB = CD = √41, AC = BD = √80, and BC = AD = √89. We need to find a point I inside the tetrahedron such that its distances to each of the four faces are equal. Then, express this distance in the form m√n/p, where ...
[ { "content": "Problem: Let $\\mathcal{B}$ be the set of rectangular boxes with surface area $54$ and volume $23$ . Let $r$ be the radius of the smallest sphere that can contain each of the rectangular boxes that are elements of $\\mathcal{B}$ . The value of $r^2$ can be written as $\\frac{p}{q}$ , wh...
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0
29
AIME24
{ "expected_answer": "721", "problem_id": "aime24-29", "reference_solution": "Observe that the \"worst\" possible box is one of the maximum possible length. \nBy symmetry, the height and the width are the same in this antioptimal box. (If the height and width weren't the same, the extra difference between them co...
Alright, let's tackle this problem step by step. So, we have a set of rectangular boxes (which are just cuboids, right?) where each box has a surface area of 54 and a volume of 23. We need to find the radius squared, r², of the smallest sphere that can contain all these boxes. Then, express that as a fraction p/q where...
[ { "content": "Problem: Among the 900 residents of Aimeville, there are 195 who own a diamond ring, 367 who own a set of golf clubs, and 562 who own a garden spade. In addition, each of the 900 residents owns a bag of candy hearts. There are 437 residents who own exactly two of these things, and 234 residents wh...
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1
0
AIME24
{ "expected_answer": "73", "problem_id": "aime24-0", "reference_solution": "Let $w,x,y,z$ denote the number of residents who own 1,2,3 and 4 of these items, respectively. We know $w+x+y+z=900$ , since there are 900 residents in total. This simplifies to $w+z=229$ , since we know $x=437$ and $y=234$ . Now, w...
Okay, so I need to find the number of residents in Aimeville who own all four things: a diamond ring, a set of golf clubs, a garden spade, and a bag of candy hearts. The total number of residents is 900. We know how many own each individual item: diamond rings are 195, golf clubs are 367, garden spades are 562, and can...
[ { "content": "Problem: A list of positive integers has the following properties: $\\bullet$ The sum of the items in the list is $30$ . $\\bullet$ The unique mode of the list is $9$ . $\\bullet$ The median of the list is a positive integer that does not appear in the list itself. Find the sum of the squares...
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1
1
AIME24
{ "expected_answer": "236", "problem_id": "aime24-1", "reference_solution": "The third condition implies that the list's size must be an even number, as if it were an odd number, the median of the list would surely appear in the list itself. Therefore, we can casework on what even numbers work. Say the size is 2....
Okay, so I have this problem here. Let me read it again to make sure I understand all the parts. We have a list of positive integers. The sum of all the numbers in the list is 30. The unique mode of the list is 9. The median of the list is a positive integer that does not appear in the list itself. We need to find the...
[ { "content": "Problem: Find the number of ways to place a digit in each cell of a 2x3 grid so that the sum of the two numbers formed by reading left to right is $999$ , and the sum of the three numbers formed by reading top to bottom is $99$ . The grid below is an example of such an arrangement because $8+99...
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1
2
AIME24
{ "expected_answer": "45", "problem_id": "aime24-2", "reference_solution": "Consider this table: $\\begin{array}{|c|c|c|} \\hline a & b & c \\\\ \\hline d & e & f\\\\ \\hline \\end{array}$ We note that $c+f = 9$ , because $c+f \\leq 18$ , meaning it never achieves a unit's digit sum of $9$ otherwise. Since no...
Okay, so I need to solve this problem where we have a 2x3 grid, and we need to place digits in each cell such that the sum of the two numbers formed by reading left to right is 999, and the sum of the three numbers formed by reading top to bottom is 99. Then, I need to find the number of ways to do this. Hmm, let me br...
[ { "content": "Problem: Let $x,y$ and $z$ be positive real numbers that satisfy the following system of equations:\n \\[\\log_2\\left({x \\over yz}\\right) = {1 \\over 2}\\] \\[\\log_2\\left({y \\over xz}\\right) = {1 \\over 3}\\] \\[\\log_2\\left({z \\over xy}\\right) = {1 \\over 4}\\] \nThen the value of...
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1
3
AIME24
{ "expected_answer": "33", "problem_id": "aime24-3", "reference_solution": "Denote $\\log_2(x) = a$ , $\\log_2(y) = b$ , and $\\log_2(z) = c$ . Then, we have:\n $a-b-c = \\frac{1}{2}$ \n $-a+b-c = \\frac{1}{3}$ \n $-a-b+c = \\frac{1}{4}$ Now, we can solve to get $a = \\frac{-7}{24}, b = \\frac{-9}{24}, c = \\...
Okay, so I have this problem where I need to solve for x, y, z given these three logarithmic equations, and then find the absolute value of the logarithm of x^4 y^3 z^2 base 2. The answer should be in the form m/n where m and n are coprime, and then find m + n. Alright, let's start by understanding the problem. First,...
[ { "content": "Problem: Let ABCDEF be a convex equilateral hexagon in which all pairs of opposite sides are parallel. The triangle whose sides are extensions of segments AB, CD, and EF has side lengths 200, 240, and 300. Find the side length of the hexagon.\nMark your solution with \\boxed\nAnswer:", "role":...
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1
4
AIME24
{ "expected_answer": "80", "problem_id": "aime24-4", "reference_solution": "Draw a good diagram!\nLet $AF \\cap BC$ , $BC \\cap DE$ , and $AF \\cap DE$ be K, L, and M, respectively. Let $KL=200, KM=300, ML=240$ . Notice that all smaller triangles formed are all similar to the larger $(200,240,300)$ triangl...
Okay, so I have this problem about a convex equilateral hexagon ABCDEF where all pairs of opposite sides are parallel. The triangle formed by extending the sides AB, CD, and EF has side lengths 200, 240, and 300. I need to find the side length of the hexagon. Hmm, let me try to visualize this. First, an equilateral he...
[ { "content": "Problem: Alice chooses a set $A$ of positive integers. Then Bob lists all finite nonempty sets $B$ of positive integers with the property that the maximum element of $B$ belongs to $A$ . Bob's list has 2024 sets. Find the sum of the elements of A.\nMark your solution with \\boxed\nAnswer:",...
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1
5
AIME24
{ "expected_answer": "55", "problem_id": "aime24-5", "reference_solution": "Let $k$ be one of the elements in Alices set $A$ of positive integers. The number of sets that Bob lists with the property that their maximum element is k is $2^{k-1}$ , since every positive integer less than k can be in the set or o...
Okay, so the problem is about Alice choosing a set A of positive integers, and then Bob makes a list of all possible non-empty finite subsets B of positive integers where the maximum element of B is in A. The list has 2024 sets, and we need to find the sum of the elements of A. Hmm, let's think through this step by ste...
[ { "content": "Problem: Let $N$ be the greatest four-digit positive integer with the property that whenever one of its digits is changed to $1$ , the resulting number is divisible by $7$ . Let $Q$ and $R$ be the quotient and remainder, respectively, when $N$ is divided by $1000$ . Find $Q+R$ .\nMark ...
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1
6
AIME24
{ "expected_answer": "699", "problem_id": "aime24-6", "reference_solution": "We note that by changing a digit to $1$ for the number $\\overline{abcd}$ , we are subtracting the number by either $1000(a-1)$ , $100(b-1)$ , $10(c-1)$ , or $d-1$ . Thus, $1000a + 100b + 10c + d \\equiv 1000(a-1) \\equiv 100(b-1...
Okay, so the problem is asking for the greatest four-digit number N such that if we change any one of its digits to 1, the resulting number is divisible by 7. Then, once we find that N, we need to divide it by 1000 and get the quotient Q and remainder R, then add them together. Hmm, let's break this down step by step. ...
[ { "content": "Problem: Torus $T$ is the surface produced by revolving a circle with radius $3$ around an axis in the plane of the circle that is a distance $6$ from the center of the circle (so like a donut). Let $S$ be a sphere with a radius $11$ . When $T$ rests on the inside of $S$ , it is intern...
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1
7
AIME24
{ "expected_answer": "127", "problem_id": "aime24-7", "reference_solution": "First, let's consider a section $\\mathcal{P}$ of the solids, along the axis.\nBy some 3D-Geomerty thinking, we can simply know that the axis crosses the sphere center. So, that is saying, the $\\mathcal{P}$ we took crosses one of th...
Okay, so I need to solve this problem about a torus inside and outside a sphere. Let me try to visualize it first. The torus is created by rotating a circle with radius 3 around an axis that's 6 units away from the center of the circle. So, the major radius (distance from the center of the torus to the center of the tu...
[ { "content": "Problem: There is a collection of $25$ indistinguishable white chips and $25$ indistinguishable black chips. Find the number of ways to place some of these chips in the $25$ unit cells of a $5\\times5$ grid such that: each cell contains at most one chip all chips in the same row and all ch...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 1, "temperature": 0.7 }
1
8
AIME24
{ "expected_answer": "902", "problem_id": "aime24-8", "reference_solution": "The problem says \"some\", so not all cells must be occupied.\nWe start by doing casework on the column on the left. There can be 5,4,3,2, or 1 black chip. The same goes for white chips, so we will multiply by 2 at the end. There is $1$...
Okay, so I need to solve this problem where there are 25 white and 25 black chips, and we have to place some of them on a 5x5 grid. The conditions are: 1. Each cell can have at most one chip. 2. In each row and each column, all chips must be the same color. 3. If we place one more chip anywhere on the grid, it would v...
[ { "content": "Problem: Let $\\triangle ABC$ have circumcenter $O$ and incenter $I$ with $\\overline{IA}\\perp\\overline{OI}$ , circumradius $13$ , and inradius $6$ . Find $AB\\cdot AC$ .\nMark your solution with \\boxed\nAnswer:", "role": "user" } ]
{ "do_sample": false, "max_new_tokens": 32768, "seed": 1, "temperature": 0.7 }
1
9
AIME24
{ "expected_answer": "468", "problem_id": "aime24-9", "reference_solution": "By Euler's formula $OI^{2}=R(R-2r)$ , we have $OI^{2}=13(13-12)=13$ . Thus, by the Pythagorean theorem, $AI^{2}=13^{2}-13=156$ . Let $AI\\cap(ABC)=M$ ; notice $\\triangle AOM$ is isosceles and $\\overline{OI}\\perp\\overline{AM}$ ...
Okay, so I need to find AB * AC for triangle ABC, given that the circumradius R is 13, the inradius r is 6, and the circumcenter O and incenter I satisfy AI ⊥ OI. Hmm, let me recall some triangle geometry. First, AI is the distance from the incenter to vertex A. The formula for AI in terms of sides a, b, c and inradi...
[ { "content": "Problem: Find the number of triples of nonnegative integers $(a,b,c)$ satisfying $a + b + c = 300$ and\n \\[a^2b + a^2c + b^2a + b^2c + c^2a + c^2b = 6,000,000.\\]\nMark your solution with \\boxed\nAnswer:", "role": "user" } ]
{ "do_sample": false, "max_new_tokens": 32768, "seed": 1, "temperature": 0.7 }
1
10
AIME24
{ "expected_answer": "601", "problem_id": "aime24-10", "reference_solution": "$ab(a+b)+bc(b+c)+ac(a+c)=300(ab+bc+ac)-3abc=6000000, 100(ab+bc+ac)-abc=2000000$ Note that \n $(100-a)(100-b)(100-c)=1000000-10000(a+b+c)+100(ab+bc+ac)-abc=0$ . Thus, $a/b/c=100$ . There are $201$ cases for each but we need to subtrac...
Okay, so I need to find the number of triples of nonnegative integers (a, b, c) such that a + b + c = 300 and a²b + a²c + b²a + b²c + c²a + c²b = 6,000,000. Hmm, that's a lot of terms in the second equation. Maybe there's a symmetry here. Let me see. First, let's note that all the terms in the second equation are prod...
[ { "content": "Problem: Let \\(O=(0,0)\\), \\(A=\\left(\\tfrac{1}{2},0\\right)\\), and \\(B=\\left(0,\\tfrac{\\sqrt{3}}{2}\\right)\\) be points in the coordinate plane. Let \\(\\mathcal{F}\\) be the family of segments \\(\\overline{PQ}\\) of unit length lying in the first quadrant with \\(P\\) on the \\(x\\)-axi...
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1
11
AIME24
{ "expected_answer": "23", "problem_id": "aime24-11", "reference_solution": "Begin by finding the equation of the line $\\overline{AB}$ : $y= -\\sqrt{3}x+\\frac{\\sqrt{3}}{2}$ Now, consider the general equation of all lines that belong to $\\mathcal{F}$ . Let $P$ be located at $(a,0)$ and $Q$ be located...
Okay, so I need to solve this problem where there are three points O, A, B in the coordinate plane. O is at (0,0), A is at (1/2, 0), and B is at (0, √3/2). The family F consists of all segments PQ where P is on the x-axis, Q is on the y-axis, and the segment has unit length, all lying in the first quadrant. There's a u...
[ { "content": "Problem: Let $\\omega\\neq 1$ be a 13th root of unity. Find the remainder when\n \\[\\prod_{k=0}^{12}(2-2\\omega^k+\\omega^{2k})\\] \nis divided by 1000.\nMark your solution with \\boxed\nAnswer:", "role": "user" } ]
{ "do_sample": false, "max_new_tokens": 32768, "seed": 1, "temperature": 0.7 }
1
12
AIME24
{ "expected_answer": "321", "problem_id": "aime24-12", "reference_solution": "\\[\\prod_{k=0}^{12} \\left(2- 2\\omega^k + \\omega^{2k}\\right) = \\prod_{k=0}^{12} \\left((1 - \\omega^k)^2 + 1\\right) = \\prod_{k=0}^{12} \\left((1 + i) - \\omega^k)((1 - i) - \\omega^k\\right)\\] Now, we consider the polynomial $x...
Okay, so I need to find the remainder when the product \(\prod_{k=0}^{12}(2 - 2\omega^k + \omega^{2k})\) is divided by 1000. Hmm, let me break this down. First, \(\omega\) is a 13th root of unity, which means \(\omega^{13} = 1\) and \(\omega \neq 1\). So, \(\omega\) is one of the complex numbers that satisfy \(x^{13} -...
[ { "content": "Problem: Let \\(b\\ge 2\\) be an integer. Call a positive integer \\(n\\) \\(b\\text-\\textit{eautiful}\\) if it has exactly two digits when expressed in base \\(b\\) and these two digits sum to \\(\\sqrt n\\). For example, \\(81\\) is \\(13\\text-\\textit{eautiful}\\) because \\(81 = \\underlin...
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1
13
AIME24
{ "expected_answer": "211", "problem_id": "aime24-13", "reference_solution": "We write the base- $b$ two-digit integer as $\\left( xy \\right)_b$ .\nThus, this number satisfies\n \\[ \\left( x + y \\right)^2 = b x + y \\] \nwith $x \\in \\left\\{ 1, 2, \\cdots , b-1 \\right\\}$ and $y \\in \\left\\{ 0, 1, \\...
Okay, so the problem is about finding the least integer \( b \geq 2 \) such that there are more than ten \( b \)-beautiful integers. A \( b \)-beautiful integer \( n \) is defined as a positive integer that has exactly two digits when expressed in base \( b \), and the sum of those two digits equals the square root of ...
[ { "content": "Problem: Find the number of rectangles that can be formed inside a fixed regular dodecagon ( $12$ -gon) where each side of the rectangle lies on either a side or a diagonal of the dodecagon. The diagram below shows three of those rectangles. [asy] unitsize(0.6 inch); for(int i=0; i<360; i+=30) { d...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 1, "temperature": 0.7 }
1
14
AIME24
{ "expected_answer": "315", "problem_id": "aime24-14", "reference_solution": "By Furaken There are two kinds of such rectangles: those whose sides are parallel to some edges of the regular 12-gon (Case 1), and those whose sides are not (Case 2). For Case 1, WLOG assume that the rectangle's sides are horizontal an...
Okay, so I need to find the number of rectangles that can be formed inside a regular dodecagon (12-gon) where each side of the rectangle lies on either a side or a diagonal of the dodecagon. The problem gives me a diagram with three rectangles as examples. Hmm, let's try to figure this out step by step. First, let me ...
[ { "content": "Problem: Every morning Aya goes for a $9$ -kilometer-long walk and stops at a coffee shop afterwards. When she walks at a constant speed of $s$ kilometers per hour, the walk takes her 4 hours, including $t$ minutes spent in the coffee shop. When she walks $s+2$ kilometers per hour, the walk...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 1, "temperature": 0.7 }
1
15
AIME24
{ "expected_answer": "204", "problem_id": "aime24-15", "reference_solution": "$\\frac{9}{s} + t = 4$ in hours and $\\frac{9}{s+2} + t = 2.4$ in hours. Subtracting the second equation from the first, we get, $\\frac{9}{s} - \\frac{9}{s+2} = 1.6$ Multiplying by $(s)(s+2)$ , we get $9s+18-9s=18=1.6s^{2} + 3.2s$ ...
Okay, so I need to figure out how long Aya's walk takes when she walks at a speed of \( s + \frac{1}{2} \) kilometers per hour, including the time she spends in the coffee shop. The problem says that when she walks at \( s \) km/h, the total time is 4 hours, which includes \( t \) minutes in the coffee shop. When she w...
[ { "content": "Problem: There exist real numbers $x$ and $y$ , both greater than 1, such that $\\log_x\\left(y^x\\right)=\\log_y\\left(x^{4y}\\right)=10$ . Find $xy$ .\nMark your solution with \\boxed\nAnswer:", "role": "user" } ]
{ "do_sample": false, "max_new_tokens": 32768, "seed": 1, "temperature": 0.7 }
1
16
AIME24
{ "expected_answer": "25", "problem_id": "aime24-16", "reference_solution": "By properties of logarithms, we can simplify the given equation to $x\\log_xy=4y\\log_yx=10$ . Let us break this into two separate equations: \\[x\\log_xy=10\\] \n \\[4y\\log_yx=10.\\] \nWe multiply the two equations to get: \n \\[4xy\\...
Okay, so I have this problem where there are real numbers x and y, both greater than 1, such that log base x of y to the x power equals log base y of x to the 4y power, and both of these equal 10. I need to find xy. Hmm, let's break this down step by step. First, let me recall how logarithms work. I remember that log ...
[ { "content": "Problem: Alice and Bob play the following game. A stack of $n$ tokens lies before them. The players take turns with Alice going first. On each turn, the player removes either $1$ token or $4$ tokens from the stack. Whoever removes the last token wins. Find the number of positive integers $n...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 1, "temperature": 0.7 }
1
17
AIME24
{ "expected_answer": "809", "problem_id": "aime24-17", "reference_solution": "Let's first try some experimentation. Alice obviously wins if there is one coin. She will just take it and win. If there are 2 remaining, then Alice will take one and then Bob will take one, so Bob wins. If there are $3$ , Alice will t...
Okay, so Alice and Bob are playing this game where there's a stack of n tokens. They take turns removing either 1 or 4 tokens each time. The person who removes the last token wins. We need to find how many positive integers n ≤ 2024 give Bob a winning strategy, meaning no matter what Alice does, Bob can always win. F...
[ { "content": "Problem: Jen enters a lottery by picking $4$ distinct numbers from $S=\\{1,2,3,\\cdots,9,10\\}.$ $4$ numbers are randomly chosen from $S.$ She wins a prize if at least two of her numbers were $2$ of the randomly chosen numbers, and wins the grand prize if all four of her numbers were the...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 1, "temperature": 0.7 }
1
18
AIME24
{ "expected_answer": "116", "problem_id": "aime24-18", "reference_solution": "This is a conditional probability problem. Bayes' Theorem states that \n \\[P(A|B)=\\dfrac{P(B|A)\\cdot P(A)}{P(B)}\\] in other words, the probability of $A$ given $B$ is equal to the probability of $B$ given $A$ times the proba...
Okay, so I need to find the probability that Jen wins the grand prize given that she won a prize. Let me break this down step by step. First, let me clarify the problem. Jen picks 4 distinct numbers from the set S = {1, 2, 3, ..., 9, 10}. Then, 4 numbers are randomly chosen from S. Jen wins a prize if at least two of ...
[ { "content": "Problem: Rectangles $ABCD$ and $EFGH$ are drawn such that $D,E,C,F$ are collinear. Also, $A,D,H,G$ all lie on a circle. If $BC=16$ , $AB=107$ , $FG=17$ , and $EF=184$ , what is the length of $CE$ ? [asy] import graph; unitsize(0.1cm); pair A = (0,0);pair B = (70,0);pair C = (70,16);pai...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 1, "temperature": 0.7 }
1
19
AIME24
{ "expected_answer": "104", "problem_id": "aime24-19", "reference_solution": "We use simple geometry to solve this problem. [asy] import graph; unitsize(0.1cm); pair A = (0,0);pair B = (107,0);pair C = (107,16);pair D = (0,16);pair E = (3,16);pair F = (187,16);pair G = (187,33);pair H = (3,33); label(\"$A$\", A,...
Okay, so I have this geometry problem here. Let me try to parse it carefully. There are two rectangles, ABCD and EFGH. The problem says that D, E, C are collinear. Also, A, D, H, G all lie on a circle. Given the lengths BC = 16, AB = 107, FG = 17, EF = 184, and I need to find the length of CE. First, let me sketch out...
[ { "content": "Problem: Consider the paths of length $16$ that follow the lines from the lower left corner to the upper right corner on an $8\\times 8$ grid. Find the number of such paths that change direction exactly four times, as in the examples shown below. [asy] size(10cm); usepackage(\"tikz\");label(\"...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 1, "temperature": 0.7 }
1
20
AIME24
{ "expected_answer": "294", "problem_id": "aime24-20", "reference_solution": "We divide the path into eight “ $R$ ” movements and eight “ $U$ ” movements. Five sections of alternative $RURUR$ or $URURU$ are necessary in order to make four “turns.” We use the first case and multiply by $2$ . <br/>\nFor $U$ ,...
Okay, so I need to find the number of paths of length 16 from the lower left corner to the upper right corner on an 8x8 grid that change direction exactly four times. The examples given have paths that first go right, then up, then right, then up again. Then maybe some more directions? Wait, looking at the examples, on...
[ { "content": "Problem: Find the largest possible real part of \\[(75+117i)z+\\frac{96+144i}{z}\\] where $z$ is a complex number with $|z|=4$ .\nMark your solution with \\boxed\nAnswer:", "role": "user" } ]
{ "do_sample": false, "max_new_tokens": 32768, "seed": 1, "temperature": 0.7 }
1
21
AIME24
{ "expected_answer": "540", "problem_id": "aime24-21", "reference_solution": "Let $z=a+bi$ such that $a^2+b^2=4^2=16$ . The expression becomes: \\[(75+117i)(a+bi)+\\dfrac{96+144i}{a+bi}.\\] Call this complex number $w$ . We simplify this expression. \\begin{align*}\nw&=(75+117i)(a+bi)+\\dfrac{96+144i}{a+bi} \...
Okay, so I need to find the largest possible real part of the expression (75 + 117i)z + (96 + 144i)/z, where z is a complex number with |z| = 4. Hmm, let's start by recalling some complex analysis concepts. Since the modulus of z is 4, z can be written in polar form as 4e^(iθ), where θ is the argument. Maybe that will ...
[ { "content": "Problem: Eight circles of radius $34$ are sequentially tangent, and two of the circles are tangent to $AB$ and $BC$ of triangle $ABC$ , respectively. $2024$ circles of radius $1$ can be arranged in the same manner. The inradius of triangle $ABC$ can be expressed as $\\frac{m}{n}$ , w...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 1, "temperature": 0.7 }
1
22
AIME24
{ "expected_answer": "197", "problem_id": "aime24-22", "reference_solution": "Draw an altitude from both end circles of the diagram with the circles of radius one, and call the lengths you get drawing the altitudes of the circles down to $BC$ $a$ and $b$ . Now we have the length of side $BC$ of being $(2)...
Okay, so the problem is about arranging circles inside a triangle. There are eight circles of radius 34 that are sequentially tangent, and two of these circles are tangent to sides AB and BC of triangle ABC. Then, 2024 circles of radius 1 can be arranged in the same manner. We need to find the inradius of triangle ABC,...
[ { "content": "Problem: Let $A$ , $B$ , $C$ , and $D$ be points on the hyperbola $\\frac{x^2}{20}- \\frac{y^2}{24} = 1$ such that $ABCD$ is a rhombus whose diagonals intersect at the origin. Find the greatest real number that is less than $BD^2$ for all such rhombi.\nMark your solution with \\boxed\nA...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 1, "temperature": 0.7 }
1
23
AIME24
{ "expected_answer": "480", "problem_id": "aime24-23", "reference_solution": "A quadrilateral is a rhombus if and only if its two diagonals bisect each other and are perpendicular to each other. The first condition is automatically satisfied because of the hyperbola's symmetry about the origin. To satisfy the sec...
Okay, so I need to find the greatest real number that's less than BD² for all rhombi ABCD inscribed in the hyperbola \(\frac{x^2}{20} - \frac{y^2}{24} = 1\), with diagonals intersecting at the origin. Hmm, let's think through this step by step. First, I remember that in a rhombus, the diagonals are perpendicular bisec...
[ { "content": "Problem: Let $ABC$ be a triangle inscribed in circle $\\omega$ . Let the tangents to $\\omega$ at $B$ and $C$ intersect at point $D$ , and let $\\overline{AD}$ intersect $\\omega$ at $P$ . If $AB=5$ , $BC=9$ , and $AC=10$ , $AP$ can be written as the form $\\frac{m}{n}$ , wher...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 1, "temperature": 0.7 }
1
24
AIME24
{ "expected_answer": "113", "problem_id": "aime24-24", "reference_solution": "From the tangency condition we have $\\let\\angle BCD = \\let\\angle CBD = \\let\\angle A$ . With LoC we have $\\cos(A) = \\frac{25+100-81}{2*5*10} = \\frac{11}{25}$ and $\\cos(B) = \\frac{81+25-100}{2*9*5} = \\frac{1}{15}$ . Then, ...
Okay, so I have this problem about triangle ABC inscribed in a circle ω. The tangents at B and C meet at D, and AD intersects ω again at P. The sides are given as AB=5, BC=9, AC=10. I need to find AP in the form m/n where m and n are coprime, then compute m + n. Hmm, okay. Let me visualize this first. First, ABC is a ...
[ { "content": "Problem: Each vertex of a regular octagon is independently colored either red or blue with equal probability. The probability that the octagon can then be rotated so that all of the blue vertices end up at positions where there were originally red vertices is $\\tfrac{m}{n}$ , where $m$ and $n...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 1, "temperature": 0.7 }
1
25
AIME24
{ "expected_answer": "371", "problem_id": "aime24-25", "reference_solution": "Notice that the question's condition mandates all blues to go to reds, but reds do not necessarily have to go to blue. Let us do casework on how many blues there are. If there are no blues whatsoever, there is only one case. This case i...
Okay, so I have this problem about coloring the vertices of a regular octagon. Each vertex is colored either red or blue with equal probability, and we need to find the probability that the octagon can be rotated such that all the blue vertices were originally at positions with red vertices. The answer should be in the...
[ { "content": "Problem: Define $f(x)=|| x|-\\tfrac{1}{2}|$ and $g(x)=|| x|-\\tfrac{1}{4}|$ . Find the number of intersections of the graphs of \\[y=4 g(f(\\sin (2 \\pi x))) \\quad\\text{ and }\\quad x=4 g(f(\\cos (3 \\pi y))).\\]\nMark your solution with \\boxed\nAnswer:", "role": "user" } ]
{ "do_sample": false, "max_new_tokens": 32768, "seed": 1, "temperature": 0.7 }
1
26
AIME24
{ "expected_answer": "385", "problem_id": "aime24-26", "reference_solution": "If we graph $4g(f(x))$ , we see it forms a sawtooth graph that oscillates between $0$ and $1$ (for values of $x$ between $-1$ and $1$ , which is true because the arguments are between $-1$ and $1$ ). Thus by precariously dr...
Okay, so I need to find the number of intersections between the graphs of y = 4g(f(sin(2πx))) and x = 4g(f(cos(3πy))). Both f and g are defined as f(x) = ||x| - 1/2| and g(x) = ||x| - 1/4|. Hmm, this looks a bit complicated with all the nested absolute value functions and trigonometric functions. Let me try to break it...
[ { "content": "Problem: Let $p$ be the least prime number for which there exists a positive integer $n$ such that $n^{4}+1$ is divisible by $p^{2}$ . Find the least positive integer $m$ such that $m^{4}+1$ is divisible by $p^{2}$ .\nMark your solution with \\boxed\nAnswer:", "role": "user" } ]
{ "do_sample": false, "max_new_tokens": 32768, "seed": 1, "temperature": 0.7 }
1
27
AIME24
{ "expected_answer": "110", "problem_id": "aime24-27", "reference_solution": "If \\(p=2\\), then \\(4\\mid n^4+1\\) for some integer \\(n\\). But \\(\\left(n^2\\right)^2\\equiv0\\) or \\(1\\pmod4\\), so it is impossible. Thus \\(p\\) is an odd prime. For integer \\(n\\) such that \\(p^2\\mid n^4+1\\), we have \\(...
Okay, so the problem is asking for the least prime number \( p \) such that there exists a positive integer \( n \) where \( n^4 + 1 \) is divisible by \( p^2 \). Then, find the least positive integer \( m \) such that \( m^4 + 1 \) is divisible by \( p^2 \). Alright, let's break this down step by step. First, I need ...
[ { "content": "Problem: Let $ABCD$ be a tetrahedron such that $AB=CD= \\sqrt{41}$ , $AC=BD= \\sqrt{80}$ , and $BC=AD= \\sqrt{89}$ . There exists a point $I$ inside the tetrahedron such that the distances from $I$ to each of the faces of the tetrahedron are all equal. This distance can be written in the ...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 1, "temperature": 0.7 }
1
28
AIME24
{ "expected_answer": "104", "problem_id": "aime24-28", "reference_solution": "Notice that \\(41=4^2+5^2\\), \\(89=5^2+8^2\\), and \\(80=8^2+4^2\\), let \\(A~(0,0,0)\\), \\(B~(4,5,0)\\), \\(C~(0,5,8)\\), and \\(D~(4,0,8)\\). Then the plane \\(BCD\\) has a normal\n\\begin{equation*}\n\\mathbf n:=\\frac14\\overright...
Okay, so I need to solve this problem about a tetrahedron with specific edge lengths. The tetrahedron is named ABCD, and the edges AB, CD, AC, BD, BC, and AD are given as sqrt(41), sqrt(80), sqrt(80), sqrt(89), sqrt(89), respectively. There's a point I inside the tetrahedron such that its distances to each face are equ...
[ { "content": "Problem: Let $\\mathcal{B}$ be the set of rectangular boxes with surface area $54$ and volume $23$ . Let $r$ be the radius of the smallest sphere that can contain each of the rectangular boxes that are elements of $\\mathcal{B}$ . The value of $r^2$ can be written as $\\frac{p}{q}$ , wh...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 1, "temperature": 0.7 }
1
29
AIME24
{ "expected_answer": "721", "problem_id": "aime24-29", "reference_solution": "Observe that the \"worst\" possible box is one of the maximum possible length. \nBy symmetry, the height and the width are the same in this antioptimal box. (If the height and width weren't the same, the extra difference between them co...
Okay, so I need to find the radius squared of the smallest sphere that can contain all the rectangular boxes in set B, where each box has a surface area of 54 and a volume of 23. Then express that radius squared as a fraction p/q where p and q are coprime, and find p+q. Hmm, let's break this down step by step. First, ...
[ { "content": "Problem: Among the 900 residents of Aimeville, there are 195 who own a diamond ring, 367 who own a set of golf clubs, and 562 who own a garden spade. In addition, each of the 900 residents owns a bag of candy hearts. There are 437 residents who own exactly two of these things, and 234 residents wh...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 2, "temperature": 0.7 }
2
0
AIME24
{ "expected_answer": "73", "problem_id": "aime24-0", "reference_solution": "Let $w,x,y,z$ denote the number of residents who own 1,2,3 and 4 of these items, respectively. We know $w+x+y+z=900$ , since there are 900 residents in total. This simplifies to $w+z=229$ , since we know $x=437$ and $y=234$ . Now, w...
Okay, let's try to solve this problem. It's about counting residents in Aimeville who own various combinations of four items: diamond rings, golf clubs, garden spades, and a bag of candy hearts. The goal is to find the number of residents who own all four. The problem gives some numbers about how many own each individu...
[ { "content": "Problem: A list of positive integers has the following properties: $\\bullet$ The sum of the items in the list is $30$ . $\\bullet$ The unique mode of the list is $9$ . $\\bullet$ The median of the list is a positive integer that does not appear in the list itself. Find the sum of the squares...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 2, "temperature": 0.7 }
2
1
AIME24
{ "expected_answer": "236", "problem_id": "aime24-1", "reference_solution": "The third condition implies that the list's size must be an even number, as if it were an odd number, the median of the list would surely appear in the list itself. Therefore, we can casework on what even numbers work. Say the size is 2....
Alright, let's tackle this problem step by step. So, we have a list of positive integers that meet three specific conditions: 1. The sum of all the numbers in the list is 30. 2. The unique mode of the list is 9. That means 9 appears more frequently than any other number in the list, and no other number is repeated as ...
[ { "content": "Problem: Find the number of ways to place a digit in each cell of a 2x3 grid so that the sum of the two numbers formed by reading left to right is $999$ , and the sum of the three numbers formed by reading top to bottom is $99$ . The grid below is an example of such an arrangement because $8+99...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 2, "temperature": 0.7 }
2
2
AIME24
{ "expected_answer": "45", "problem_id": "aime24-2", "reference_solution": "Consider this table: $\\begin{array}{|c|c|c|} \\hline a & b & c \\\\ \\hline d & e & f\\\\ \\hline \\end{array}$ We note that $c+f = 9$ , because $c+f \\leq 18$ , meaning it never achieves a unit's digit sum of $9$ otherwise. Since no...
Alright, let's tackle this problem step by step. So, we have a 2x3 grid, and we need to place digits in each cell such that the sum of the two numbers formed by reading left to right is 999, and the sum of the three numbers formed by reading top to bottom is 99. The example given is: \[ \begin{array}{|c|c|c|} \hline 0...
[ { "content": "Problem: Let $x,y$ and $z$ be positive real numbers that satisfy the following system of equations:\n \\[\\log_2\\left({x \\over yz}\\right) = {1 \\over 2}\\] \\[\\log_2\\left({y \\over xz}\\right) = {1 \\over 3}\\] \\[\\log_2\\left({z \\over xy}\\right) = {1 \\over 4}\\] \nThen the value of...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 2, "temperature": 0.7 }
2
3
AIME24
{ "expected_answer": "33", "problem_id": "aime24-3", "reference_solution": "Denote $\\log_2(x) = a$ , $\\log_2(y) = b$ , and $\\log_2(z) = c$ . Then, we have:\n $a-b-c = \\frac{1}{2}$ \n $-a+b-c = \\frac{1}{3}$ \n $-a-b+c = \\frac{1}{4}$ Now, we can solve to get $a = \\frac{-7}{24}, b = \\frac{-9}{24}, c = \\...
Alright, let's tackle this logarithmic problem step by step. The problem states that we have three equations involving logarithms of variables x, y, and z, all positive real numbers. We need to find the value of |log₂(x⁴ y³ z²)| expressed as m/n where m and n are coprime, and then find m + n. First, let's write down t...
[ { "content": "Problem: Let ABCDEF be a convex equilateral hexagon in which all pairs of opposite sides are parallel. The triangle whose sides are extensions of segments AB, CD, and EF has side lengths 200, 240, and 300. Find the side length of the hexagon.\nMark your solution with \\boxed\nAnswer:", "role":...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 2, "temperature": 0.7 }
2
4
AIME24
{ "expected_answer": "80", "problem_id": "aime24-4", "reference_solution": "Draw a good diagram!\nLet $AF \\cap BC$ , $BC \\cap DE$ , and $AF \\cap DE$ be K, L, and M, respectively. Let $KL=200, KM=300, ML=240$ . Notice that all smaller triangles formed are all similar to the larger $(200,240,300)$ triangl...
Okay, let's try to tackle this problem. So, we have a convex equilateral hexagon ABCDEF, meaning all its sides are equal in length, and all pairs of opposite sides are parallel. The triangle formed by extending the sides AB, CD, and EF has side lengths 200, 240, and 300. We need to find the side length of the hexagon. ...
[ { "content": "Problem: Alice chooses a set $A$ of positive integers. Then Bob lists all finite nonempty sets $B$ of positive integers with the property that the maximum element of $B$ belongs to $A$ . Bob's list has 2024 sets. Find the sum of the elements of A.\nMark your solution with \\boxed\nAnswer:",...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 2, "temperature": 0.7 }
2
5
AIME24
{ "expected_answer": "55", "problem_id": "aime24-5", "reference_solution": "Let $k$ be one of the elements in Alices set $A$ of positive integers. The number of sets that Bob lists with the property that their maximum element is k is $2^{k-1}$ , since every positive integer less than k can be in the set or o...
Alright, let's try to tackle this problem. So, Alice chooses a set A of positive integers. Then Bob lists all possible finite nonempty subsets B of positive integers with the condition that the maximum element of B is in A. The total number of such subsets B is 2024. We need to find the sum of the elements of A. First...
[ { "content": "Problem: Let $N$ be the greatest four-digit positive integer with the property that whenever one of its digits is changed to $1$ , the resulting number is divisible by $7$ . Let $Q$ and $R$ be the quotient and remainder, respectively, when $N$ is divided by $1000$ . Find $Q+R$ .\nMark ...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 2, "temperature": 0.7 }
2
6
AIME24
{ "expected_answer": "699", "problem_id": "aime24-6", "reference_solution": "We note that by changing a digit to $1$ for the number $\\overline{abcd}$ , we are subtracting the number by either $1000(a-1)$ , $100(b-1)$ , $10(c-1)$ , or $d-1$ . Thus, $1000a + 100b + 10c + d \\equiv 1000(a-1) \\equiv 100(b-1...
Alright, let's tackle this problem step by step. The question is asking for the greatest four-digit number N such that if any one of its digits is changed to 1, the resulting number is divisible by 7. Then, once we find N, we need to divide it by 1000 and find the quotient Q and remainder R, then compute Q + R. First,...
[ { "content": "Problem: Torus $T$ is the surface produced by revolving a circle with radius $3$ around an axis in the plane of the circle that is a distance $6$ from the center of the circle (so like a donut). Let $S$ be a sphere with a radius $11$ . When $T$ rests on the inside of $S$ , it is intern...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 2, "temperature": 0.7 }
2
7
AIME24
{ "expected_answer": "127", "problem_id": "aime24-7", "reference_solution": "First, let's consider a section $\\mathcal{P}$ of the solids, along the axis.\nBy some 3D-Geomerty thinking, we can simply know that the axis crosses the sphere center. So, that is saying, the $\\mathcal{P}$ we took crosses one of th...
Alright, let's tackle this problem step by step. First, let me parse the problem to make sure I understand all the components. We have a torus T, which is a surface formed by revolving a circle with radius 3 around an axis in its plane, and the distance from the center of the circle to the axis of revolution is 6. So, ...
[ { "content": "Problem: There is a collection of $25$ indistinguishable white chips and $25$ indistinguishable black chips. Find the number of ways to place some of these chips in the $25$ unit cells of a $5\\times5$ grid such that: each cell contains at most one chip all chips in the same row and all ch...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 2, "temperature": 0.7 }
2
8
AIME24
{ "expected_answer": "902", "problem_id": "aime24-8", "reference_solution": "The problem says \"some\", so not all cells must be occupied.\nWe start by doing casework on the column on the left. There can be 5,4,3,2, or 1 black chip. The same goes for white chips, so we will multiply by 2 at the end. There is $1$...
Alright, let's tackle this problem step by step. So, we have a 5x5 grid, and we need to place some white and black chips on the cells such that each cell has at most one chip. Also, in each row and each column, all the chips must be the same color. Moreover, if we try to place one more chip anywhere on the grid, it wou...
[ { "content": "Problem: Let $\\triangle ABC$ have circumcenter $O$ and incenter $I$ with $\\overline{IA}\\perp\\overline{OI}$ , circumradius $13$ , and inradius $6$ . Find $AB\\cdot AC$ .\nMark your solution with \\boxed\nAnswer:", "role": "user" } ]
{ "do_sample": false, "max_new_tokens": 32768, "seed": 2, "temperature": 0.7 }
2
9
AIME24
{ "expected_answer": "468", "problem_id": "aime24-9", "reference_solution": "By Euler's formula $OI^{2}=R(R-2r)$ , we have $OI^{2}=13(13-12)=13$ . Thus, by the Pythagorean theorem, $AI^{2}=13^{2}-13=156$ . Let $AI\\cap(ABC)=M$ ; notice $\\triangle AOM$ is isosceles and $\\overline{OI}\\perp\\overline{AM}$ ...
Okay, let's try to solve this problem. So, we have triangle ABC with circumradius R = 13 and inradius r = 6. The circumcenter is O and the incenter is I. The condition given is that IA is perpendicular to OI. We need to find the product AB * AC. First, let me recall some properties of circumradius and inradius. The ci...
[ { "content": "Problem: Find the number of triples of nonnegative integers $(a,b,c)$ satisfying $a + b + c = 300$ and\n \\[a^2b + a^2c + b^2a + b^2c + c^2a + c^2b = 6,000,000.\\]\nMark your solution with \\boxed\nAnswer:", "role": "user" } ]
{ "do_sample": false, "max_new_tokens": 32768, "seed": 2, "temperature": 0.7 }
2
10
AIME24
{ "expected_answer": "601", "problem_id": "aime24-10", "reference_solution": "$ab(a+b)+bc(b+c)+ac(a+c)=300(ab+bc+ac)-3abc=6000000, 100(ab+bc+ac)-abc=2000000$ Note that \n $(100-a)(100-b)(100-c)=1000000-10000(a+b+c)+100(ab+bc+ac)-abc=0$ . Thus, $a/b/c=100$ . There are $201$ cases for each but we need to subtrac...
Alright, let's tackle this problem step by step. The question is asking for the number of triples of nonnegative integers (a, b, c) that satisfy two conditions: first, the sum a + b + c = 300, and second, the sum a²b + a²c + b²a + b²c + c²a + c²b equals 6,000,000. Hmm, okay. So, we need to find all such triples where t...
[ { "content": "Problem: Let \\(O=(0,0)\\), \\(A=\\left(\\tfrac{1}{2},0\\right)\\), and \\(B=\\left(0,\\tfrac{\\sqrt{3}}{2}\\right)\\) be points in the coordinate plane. Let \\(\\mathcal{F}\\) be the family of segments \\(\\overline{PQ}\\) of unit length lying in the first quadrant with \\(P\\) on the \\(x\\)-axi...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 2, "temperature": 0.7 }
2
11
AIME24
{ "expected_answer": "23", "problem_id": "aime24-11", "reference_solution": "Begin by finding the equation of the line $\\overline{AB}$ : $y= -\\sqrt{3}x+\\frac{\\sqrt{3}}{2}$ Now, consider the general equation of all lines that belong to $\\mathcal{F}$ . Let $P$ be located at $(a,0)$ and $Q$ be located...
Alright, let's tackle this problem step by step. First, let me parse the problem to make sure I understand all the components. We have three points: O at (0,0), A at (1/2, 0), and B at (0, sqrt(3)/2). The family of segments F consists of all segments PQ where P is on the x-axis, Q is on the y-axis, and the length of P...
[ { "content": "Problem: Let $\\omega\\neq 1$ be a 13th root of unity. Find the remainder when\n \\[\\prod_{k=0}^{12}(2-2\\omega^k+\\omega^{2k})\\] \nis divided by 1000.\nMark your solution with \\boxed\nAnswer:", "role": "user" } ]
{ "do_sample": false, "max_new_tokens": 32768, "seed": 2, "temperature": 0.7 }
2
12
AIME24
{ "expected_answer": "321", "problem_id": "aime24-12", "reference_solution": "\\[\\prod_{k=0}^{12} \\left(2- 2\\omega^k + \\omega^{2k}\\right) = \\prod_{k=0}^{12} \\left((1 - \\omega^k)^2 + 1\\right) = \\prod_{k=0}^{12} \\left((1 + i) - \\omega^k)((1 - i) - \\omega^k\\right)\\] Now, we consider the polynomial $x...
Alright, let's tackle this problem step by step. The problem is asking for the remainder when the product \(\prod_{k=0}^{12}(2 - 2\omega^k + \omega^{2k})\) is divided by 1000, where \(\omega \neq 1\) is a 13th root of unity. Hmm, okay. So, first off, I need to figure out what each term in the product looks like when \(...
[ { "content": "Problem: Let \\(b\\ge 2\\) be an integer. Call a positive integer \\(n\\) \\(b\\text-\\textit{eautiful}\\) if it has exactly two digits when expressed in base \\(b\\) and these two digits sum to \\(\\sqrt n\\). For example, \\(81\\) is \\(13\\text-\\textit{eautiful}\\) because \\(81 = \\underlin...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 2, "temperature": 0.7 }
2
13
AIME24
{ "expected_answer": "211", "problem_id": "aime24-13", "reference_solution": "We write the base- $b$ two-digit integer as $\\left( xy \\right)_b$ .\nThus, this number satisfies\n \\[ \\left( x + y \\right)^2 = b x + y \\] \nwith $x \\in \\left\\{ 1, 2, \\cdots , b-1 \\right\\}$ and $y \\in \\left\\{ 0, 1, \\...
Alright, let's tackle this problem step by step. First, let me make sure I understand the problem correctly. We need to find the smallest integer \( b \geq 2 \) such that there are more than ten numbers \( n \) which are \( b \)-beautiful. A \( b \)-beautiful number is defined as a positive integer that has exactly two...
[ { "content": "Problem: Find the number of rectangles that can be formed inside a fixed regular dodecagon ( $12$ -gon) where each side of the rectangle lies on either a side or a diagonal of the dodecagon. The diagram below shows three of those rectangles. [asy] unitsize(0.6 inch); for(int i=0; i<360; i+=30) { d...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 2, "temperature": 0.7 }
2
14
AIME24
{ "expected_answer": "315", "problem_id": "aime24-14", "reference_solution": "By Furaken There are two kinds of such rectangles: those whose sides are parallel to some edges of the regular 12-gon (Case 1), and those whose sides are not (Case 2). For Case 1, WLOG assume that the rectangle's sides are horizontal an...
Okay, so I need to find the number of rectangles that can be formed inside a regular dodecagon (12-gon) where each side of the rectangle lies on either a side or a diagonal of the dodecagon. The problem gives a diagram with three rectangles as an example, and I need to figure out how many such rectangles exist in total...
[ { "content": "Problem: Every morning Aya goes for a $9$ -kilometer-long walk and stops at a coffee shop afterwards. When she walks at a constant speed of $s$ kilometers per hour, the walk takes her 4 hours, including $t$ minutes spent in the coffee shop. When she walks $s+2$ kilometers per hour, the walk...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 2, "temperature": 0.7 }
2
15
AIME24
{ "expected_answer": "204", "problem_id": "aime24-15", "reference_solution": "$\\frac{9}{s} + t = 4$ in hours and $\\frac{9}{s+2} + t = 2.4$ in hours. Subtracting the second equation from the first, we get, $\\frac{9}{s} - \\frac{9}{s+2} = 1.6$ Multiplying by $(s)(s+2)$ , we get $9s+18-9s=18=1.6s^{2} + 3.2s$ ...
Okay, let's try to solve this problem step by step. It seems a bit tricky, but I'll break it down. Let me read it again to make sure I understand all the parts. "Aya goes for a 9-kilometer-long walk every morning and stops at a coffee shop afterwards. When she walks at a constant speed of s kilometers per hour, the wa...
[ { "content": "Problem: There exist real numbers $x$ and $y$ , both greater than 1, such that $\\log_x\\left(y^x\\right)=\\log_y\\left(x^{4y}\\right)=10$ . Find $xy$ .\nMark your solution with \\boxed\nAnswer:", "role": "user" } ]
{ "do_sample": false, "max_new_tokens": 32768, "seed": 2, "temperature": 0.7 }
2
16
AIME24
{ "expected_answer": "25", "problem_id": "aime24-16", "reference_solution": "By properties of logarithms, we can simplify the given equation to $x\\log_xy=4y\\log_yx=10$ . Let us break this into two separate equations: \\[x\\log_xy=10\\] \n \\[4y\\log_yx=10.\\] \nWe multiply the two equations to get: \n \\[4xy\\...
Alright, let's tackle this problem step by step. The problem states that there exist real numbers x and y, both greater than 1, such that log_x(y^x) = log_y(x^{4y}) = 10. We need to find xy. Hmm, okay. Let me break down the logarithmic expressions and see if I can convert them into equations that I can work with. Firs...
[ { "content": "Problem: Alice and Bob play the following game. A stack of $n$ tokens lies before them. The players take turns with Alice going first. On each turn, the player removes either $1$ token or $4$ tokens from the stack. Whoever removes the last token wins. Find the number of positive integers $n...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 2, "temperature": 0.7 }
2
17
AIME24
{ "expected_answer": "809", "problem_id": "aime24-17", "reference_solution": "Let's first try some experimentation. Alice obviously wins if there is one coin. She will just take it and win. If there are 2 remaining, then Alice will take one and then Bob will take one, so Bob wins. If there are $3$ , Alice will t...
Okay, let's try to solve this problem. So, Alice and Bob are playing a game where there's a stack of n tokens. They take turns removing either 1 or 4 tokens each time. The person who removes the last token wins. We need to find how many positive integers n ≤ 2024 allow Bob to have a winning strategy, regardless of what...
[ { "content": "Problem: Jen enters a lottery by picking $4$ distinct numbers from $S=\\{1,2,3,\\cdots,9,10\\}.$ $4$ numbers are randomly chosen from $S.$ She wins a prize if at least two of her numbers were $2$ of the randomly chosen numbers, and wins the grand prize if all four of her numbers were the...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 2, "temperature": 0.7 }
2
18
AIME24
{ "expected_answer": "116", "problem_id": "aime24-18", "reference_solution": "This is a conditional probability problem. Bayes' Theorem states that \n \\[P(A|B)=\\dfrac{P(B|A)\\cdot P(A)}{P(B)}\\] in other words, the probability of $A$ given $B$ is equal to the probability of $B$ given $A$ times the proba...
Alright, let's tackle this probability problem step by step. So, Jen picks 4 distinct numbers from the set S = {1,2,3,...,9,10}. Then, 4 numbers are randomly chosen from S. She wins a prize if at least two of her numbers match the randomly chosen numbers, and she wins the grand prize if all four of her numbers match. W...
[ { "content": "Problem: Rectangles $ABCD$ and $EFGH$ are drawn such that $D,E,C,F$ are collinear. Also, $A,D,H,G$ all lie on a circle. If $BC=16$ , $AB=107$ , $FG=17$ , and $EF=184$ , what is the length of $CE$ ? [asy] import graph; unitsize(0.1cm); pair A = (0,0);pair B = (70,0);pair C = (70,16);pai...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 2, "temperature": 0.7 }
2
19
AIME24
{ "expected_answer": "104", "problem_id": "aime24-19", "reference_solution": "We use simple geometry to solve this problem. [asy] import graph; unitsize(0.1cm); pair A = (0,0);pair B = (107,0);pair C = (107,16);pair D = (0,16);pair E = (3,16);pair F = (187,16);pair G = (187,33);pair H = (3,33); label(\"$A$\", A,...
Okay, let's try to solve this problem. So, we have two rectangles, ABCD and EFGH, drawn such that points D, E, C, F are collinear. Also, points A, D, H, G all lie on a circle. We are given the lengths BC = 16, AB = 107, FG = 17, EF = 184, and we need to find the length of CE. First, let me visualize the problem. There...
[ { "content": "Problem: Consider the paths of length $16$ that follow the lines from the lower left corner to the upper right corner on an $8\\times 8$ grid. Find the number of such paths that change direction exactly four times, as in the examples shown below. [asy] size(10cm); usepackage(\"tikz\");label(\"...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 2, "temperature": 0.7 }
2
20
AIME24
{ "expected_answer": "294", "problem_id": "aime24-20", "reference_solution": "We divide the path into eight “ $R$ ” movements and eight “ $U$ ” movements. Five sections of alternative $RURUR$ or $URURU$ are necessary in order to make four “turns.” We use the first case and multiply by $2$ . <br/>\nFor $U$ ,...
Okay, so I need to find the number of paths of length 16 on an 8x8 grid that go from the lower left corner to the upper right corner, changing direction exactly four times. The examples given are paths that go up twice, then right twice, then up twice, then right twice. Wait, but in the first example, it goes up, up, r...
[ { "content": "Problem: Find the largest possible real part of \\[(75+117i)z+\\frac{96+144i}{z}\\] where $z$ is a complex number with $|z|=4$ .\nMark your solution with \\boxed\nAnswer:", "role": "user" } ]
{ "do_sample": false, "max_new_tokens": 32768, "seed": 2, "temperature": 0.7 }
2
21
AIME24
{ "expected_answer": "540", "problem_id": "aime24-21", "reference_solution": "Let $z=a+bi$ such that $a^2+b^2=4^2=16$ . The expression becomes: \\[(75+117i)(a+bi)+\\dfrac{96+144i}{a+bi}.\\] Call this complex number $w$ . We simplify this expression. \\begin{align*}\nw&=(75+117i)(a+bi)+\\dfrac{96+144i}{a+bi} \...
Alright, let's tackle this problem step by step. The problem is asking for the largest possible real part of the expression (75 + 117i)z + (96 + 144i)/z, where z is a complex number with |z| = 4. First, let me parse the problem. We have a complex number z such that its magnitude is 4. So, |z| = 4. The expression we n...
[ { "content": "Problem: Eight circles of radius $34$ are sequentially tangent, and two of the circles are tangent to $AB$ and $BC$ of triangle $ABC$ , respectively. $2024$ circles of radius $1$ can be arranged in the same manner. The inradius of triangle $ABC$ can be expressed as $\\frac{m}{n}$ , w...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 2, "temperature": 0.7 }
2
22
AIME24
{ "expected_answer": "197", "problem_id": "aime24-22", "reference_solution": "Draw an altitude from both end circles of the diagram with the circles of radius one, and call the lengths you get drawing the altitudes of the circles down to $BC$ $a$ and $b$ . Now we have the length of side $BC$ of being $(2)...
Alright, let's tackle this problem step by step. First, let me parse the problem again to make sure I understand all the details. We have triangle ABC, and two of the circles are tangent to sides AB and BC, respectively. There are eight circles of radius 34 arranged in a way that they are sequentially tangent. Then, w...
[ { "content": "Problem: Let $A$ , $B$ , $C$ , and $D$ be points on the hyperbola $\\frac{x^2}{20}- \\frac{y^2}{24} = 1$ such that $ABCD$ is a rhombus whose diagonals intersect at the origin. Find the greatest real number that is less than $BD^2$ for all such rhombi.\nMark your solution with \\boxed\nA...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 2, "temperature": 0.7 }
2
23
AIME24
{ "expected_answer": "480", "problem_id": "aime24-23", "reference_solution": "A quadrilateral is a rhombus if and only if its two diagonals bisect each other and are perpendicular to each other. The first condition is automatically satisfied because of the hyperbola's symmetry about the origin. To satisfy the sec...
Alright, let's tackle this problem step by step. So, we have a rhombus ABCD inscribed in the hyperbola \(\frac{x^2}{20} - \frac{y^2}{24} = 1\), with its diagonals intersecting at the origin. We need to find the greatest real number less than \(BD^2\) for all such rhombi. Hmm, okay. First, let me recall some properties...
[ { "content": "Problem: Let $ABC$ be a triangle inscribed in circle $\\omega$ . Let the tangents to $\\omega$ at $B$ and $C$ intersect at point $D$ , and let $\\overline{AD}$ intersect $\\omega$ at $P$ . If $AB=5$ , $BC=9$ , and $AC=10$ , $AP$ can be written as the form $\\frac{m}{n}$ , wher...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 2, "temperature": 0.7 }
2
24
AIME24
{ "expected_answer": "113", "problem_id": "aime24-24", "reference_solution": "From the tangency condition we have $\\let\\angle BCD = \\let\\angle CBD = \\let\\angle A$ . With LoC we have $\\cos(A) = \\frac{25+100-81}{2*5*10} = \\frac{11}{25}$ and $\\cos(B) = \\frac{81+25-100}{2*9*5} = \\frac{1}{15}$ . Then, ...
Alright, let's tackle this geometry problem step by step. First, let me parse the problem again to make sure I understand all the elements. We have triangle ABC inscribed in a circle ω. The tangents to ω at points B and C intersect at point D. Then, the line AD intersects ω again at point P. The given sides are AB = 5...
[ { "content": "Problem: Each vertex of a regular octagon is independently colored either red or blue with equal probability. The probability that the octagon can then be rotated so that all of the blue vertices end up at positions where there were originally red vertices is $\\tfrac{m}{n}$ , where $m$ and $n...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 2, "temperature": 0.7 }
2
25
AIME24
{ "expected_answer": "371", "problem_id": "aime24-25", "reference_solution": "Notice that the question's condition mandates all blues to go to reds, but reds do not necessarily have to go to blue. Let us do casework on how many blues there are. If there are no blues whatsoever, there is only one case. This case i...
Alright, let's tackle this problem step by step. So, we have a regular octagon, each vertex is colored either red or blue with equal probability. We need to find the probability that when we rotate the octagon, all the blue vertices land on positions that were originally red. The answer should be in the form m/n where ...
[ { "content": "Problem: Define $f(x)=|| x|-\\tfrac{1}{2}|$ and $g(x)=|| x|-\\tfrac{1}{4}|$ . Find the number of intersections of the graphs of \\[y=4 g(f(\\sin (2 \\pi x))) \\quad\\text{ and }\\quad x=4 g(f(\\cos (3 \\pi y))).\\]\nMark your solution with \\boxed\nAnswer:", "role": "user" } ]
{ "do_sample": false, "max_new_tokens": 32768, "seed": 2, "temperature": 0.7 }
2
26
AIME24
{ "expected_answer": "385", "problem_id": "aime24-26", "reference_solution": "If we graph $4g(f(x))$ , we see it forms a sawtooth graph that oscillates between $0$ and $1$ (for values of $x$ between $-1$ and $1$ , which is true because the arguments are between $-1$ and $1$ ). Thus by precariously dr...
Alright, let's tackle this problem step by step. First, I need to understand the functions involved: f(x) and g(x). Then, I have to find the number of intersections between y = 4g(f(sin(2πx))) and x = 4g(f(cos(3πy))). Hmm, that looks a bit complicated, but maybe breaking it down will help. First, let's parse the funct...
[ { "content": "Problem: Let $p$ be the least prime number for which there exists a positive integer $n$ such that $n^{4}+1$ is divisible by $p^{2}$ . Find the least positive integer $m$ such that $m^{4}+1$ is divisible by $p^{2}$ .\nMark your solution with \\boxed\nAnswer:", "role": "user" } ]
{ "do_sample": false, "max_new_tokens": 32768, "seed": 2, "temperature": 0.7 }
2
27
AIME24
{ "expected_answer": "110", "problem_id": "aime24-27", "reference_solution": "If \\(p=2\\), then \\(4\\mid n^4+1\\) for some integer \\(n\\). But \\(\\left(n^2\\right)^2\\equiv0\\) or \\(1\\pmod4\\), so it is impossible. Thus \\(p\\) is an odd prime. For integer \\(n\\) such that \\(p^2\\mid n^4+1\\), we have \\(...
Alright, let's tackle this problem step by step. The problem states that we need to find the least prime number p such that there exists a positive integer n where n⁴ + 1 is divisible by p². Then, once we find p, we need to find the least positive integer m such that m⁴ + 1 is divisible by p². Alright, let's break it d...
[ { "content": "Problem: Let $ABCD$ be a tetrahedron such that $AB=CD= \\sqrt{41}$ , $AC=BD= \\sqrt{80}$ , and $BC=AD= \\sqrt{89}$ . There exists a point $I$ inside the tetrahedron such that the distances from $I$ to each of the faces of the tetrahedron are all equal. This distance can be written in the ...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 2, "temperature": 0.7 }
2
28
AIME24
{ "expected_answer": "104", "problem_id": "aime24-28", "reference_solution": "Notice that \\(41=4^2+5^2\\), \\(89=5^2+8^2\\), and \\(80=8^2+4^2\\), let \\(A~(0,0,0)\\), \\(B~(4,5,0)\\), \\(C~(0,5,8)\\), and \\(D~(4,0,8)\\). Then the plane \\(BCD\\) has a normal\n\\begin{equation*}\n\\mathbf n:=\\frac14\\overright...
Alright, let's tackle this problem step by step. So, we have a tetrahedron ABCD with edge lengths AB = CD = √41, AC = BD = √80, and BC = AD = √89. We need to find a point I inside the tetrahedron such that the distances from I to each of the four faces are equal. That point is called the incenter, and the equal distanc...
[ { "content": "Problem: Let $\\mathcal{B}$ be the set of rectangular boxes with surface area $54$ and volume $23$ . Let $r$ be the radius of the smallest sphere that can contain each of the rectangular boxes that are elements of $\\mathcal{B}$ . The value of $r^2$ can be written as $\\frac{p}{q}$ , wh...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 2, "temperature": 0.7 }
2
29
AIME24
{ "expected_answer": "721", "problem_id": "aime24-29", "reference_solution": "Observe that the \"worst\" possible box is one of the maximum possible length. \nBy symmetry, the height and the width are the same in this antioptimal box. (If the height and width weren't the same, the extra difference between them co...
Alright, let's tackle this problem step by step. So, we have a set B of rectangular boxes (which are just rectangular prisms) with a surface area of 54 and a volume of 23. We need to find the radius squared, r², of the smallest sphere that can contain all these boxes. Then, we have to write r² as a fraction p/q where p...
[ { "content": "Problem: Among the 900 residents of Aimeville, there are 195 who own a diamond ring, 367 who own a set of golf clubs, and 562 who own a garden spade. In addition, each of the 900 residents owns a bag of candy hearts. There are 437 residents who own exactly two of these things, and 234 residents wh...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 3, "temperature": 0.7 }
3
0
AIME24
{ "expected_answer": "73", "problem_id": "aime24-0", "reference_solution": "Let $w,x,y,z$ denote the number of residents who own 1,2,3 and 4 of these items, respectively. We know $w+x+y+z=900$ , since there are 900 residents in total. This simplifies to $w+z=229$ , since we know $x=437$ and $y=234$ . Now, w...
Okay, let me try to solve this problem step by step. It seems like a classic inclusion-exclusion problem with multiple sets. Let me start by understanding what's given and what needs to be found. We have four items: diamond rings, golf clubs, garden spades, and a bag of candy hearts. The total number of residents is 9...
[ { "content": "Problem: A list of positive integers has the following properties: $\\bullet$ The sum of the items in the list is $30$ . $\\bullet$ The unique mode of the list is $9$ . $\\bullet$ The median of the list is a positive integer that does not appear in the list itself. Find the sum of the squares...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 3, "temperature": 0.7 }
3
1
AIME24
{ "expected_answer": "236", "problem_id": "aime24-1", "reference_solution": "The third condition implies that the list's size must be an even number, as if it were an odd number, the median of the list would surely appear in the list itself. Therefore, we can casework on what even numbers work. Say the size is 2....
Okay, let me try to solve this problem step by step. So, we have a list of positive integers with three key properties: 1. The sum of the items is 30. 2. The unique mode is 9. 3. The median is a positive integer that doesn't appear in the list. We need to find the sum of the squares of all the items in the list. Hmm,...
[ { "content": "Problem: Find the number of ways to place a digit in each cell of a 2x3 grid so that the sum of the two numbers formed by reading left to right is $999$ , and the sum of the three numbers formed by reading top to bottom is $99$ . The grid below is an example of such an arrangement because $8+99...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 3, "temperature": 0.7 }
3
2
AIME24
{ "expected_answer": "45", "problem_id": "aime24-2", "reference_solution": "Consider this table: $\\begin{array}{|c|c|c|} \\hline a & b & c \\\\ \\hline d & e & f\\\\ \\hline \\end{array}$ We note that $c+f = 9$ , because $c+f \\leq 18$ , meaning it never achieves a unit's digit sum of $9$ otherwise. Since no...
Okay, let me try to solve this problem step by step. The problem is about filling a 2x3 grid with digits such that when you read left to right along the top row, the number plus the number read left to right along the bottom row equals 999. Additionally, when you read the three numbers from top to bottom, each being on...
[ { "content": "Problem: Let $x,y$ and $z$ be positive real numbers that satisfy the following system of equations:\n \\[\\log_2\\left({x \\over yz}\\right) = {1 \\over 2}\\] \\[\\log_2\\left({y \\over xz}\\right) = {1 \\over 3}\\] \\[\\log_2\\left({z \\over xy}\\right) = {1 \\over 4}\\] \nThen the value of...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 3, "temperature": 0.7 }
3
3
AIME24
{ "expected_answer": "33", "problem_id": "aime24-3", "reference_solution": "Denote $\\log_2(x) = a$ , $\\log_2(y) = b$ , and $\\log_2(z) = c$ . Then, we have:\n $a-b-c = \\frac{1}{2}$ \n $-a+b-c = \\frac{1}{3}$ \n $-a-b+c = \\frac{1}{4}$ Now, we can solve to get $a = \\frac{-7}{24}, b = \\frac{-9}{24}, c = \\...
Okay, let's try to solve this problem step by step. The problem is about finding the value of |log₂(x⁴ y³ z²)| where x, y, z are positive real numbers that satisfy three logarithmic equations. Each equation involves the logarithm of a ratio of variables divided by another variable, all set equal to a reciprocal fractio...
[ { "content": "Problem: Let ABCDEF be a convex equilateral hexagon in which all pairs of opposite sides are parallel. The triangle whose sides are extensions of segments AB, CD, and EF has side lengths 200, 240, and 300. Find the side length of the hexagon.\nMark your solution with \\boxed\nAnswer:", "role":...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 3, "temperature": 0.7 }
3
4
AIME24
{ "expected_answer": "80", "problem_id": "aime24-4", "reference_solution": "Draw a good diagram!\nLet $AF \\cap BC$ , $BC \\cap DE$ , and $AF \\cap DE$ be K, L, and M, respectively. Let $KL=200, KM=300, ML=240$ . Notice that all smaller triangles formed are all similar to the larger $(200,240,300)$ triangl...
Okay, let me try to solve this problem step by step. So, we have a convex equilateral hexagon ABCDEF where all pairs of opposite sides are parallel. The triangle formed by extending the sides AB, CD, and EF has side lengths 200, 240, and 300. We need to find the side length of the hexagon. First, let me visualize the ...
[ { "content": "Problem: Alice chooses a set $A$ of positive integers. Then Bob lists all finite nonempty sets $B$ of positive integers with the property that the maximum element of $B$ belongs to $A$ . Bob's list has 2024 sets. Find the sum of the elements of A.\nMark your solution with \\boxed\nAnswer:",...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 3, "temperature": 0.7 }
3
5
AIME24
{ "expected_answer": "55", "problem_id": "aime24-5", "reference_solution": "Let $k$ be one of the elements in Alices set $A$ of positive integers. The number of sets that Bob lists with the property that their maximum element is k is $2^{k-1}$ , since every positive integer less than k can be in the set or o...
Okay, let me try to work through this problem. So, Alice chooses a set A of positive integers, and Bob then lists all possible finite nonempty subsets B of positive integers where the maximum element of B is in A. The total number of such subsets Bob lists is 2024. We need to find the sum of the elements of A. First, ...
[ { "content": "Problem: Let $N$ be the greatest four-digit positive integer with the property that whenever one of its digits is changed to $1$ , the resulting number is divisible by $7$ . Let $Q$ and $R$ be the quotient and remainder, respectively, when $N$ is divided by $1000$ . Find $Q+R$ .\nMark ...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 3, "temperature": 0.7 }
3
6
AIME24
{ "expected_answer": "699", "problem_id": "aime24-6", "reference_solution": "We note that by changing a digit to $1$ for the number $\\overline{abcd}$ , we are subtracting the number by either $1000(a-1)$ , $100(b-1)$ , $10(c-1)$ , or $d-1$ . Thus, $1000a + 100b + 10c + d \\equiv 1000(a-1) \\equiv 100(b-1...
Okay, so I need to find the greatest four-digit number N such that if any one of its digits is changed to 1, the resulting number is divisible by 7. Then, once I find N, I have to divide it by 1000 and get the quotient Q and remainder R, and then add them together. Hmm, let's break this down step by step. First, let's...
[ { "content": "Problem: Torus $T$ is the surface produced by revolving a circle with radius $3$ around an axis in the plane of the circle that is a distance $6$ from the center of the circle (so like a donut). Let $S$ be a sphere with a radius $11$ . When $T$ rests on the inside of $S$ , it is intern...
{ "do_sample": false, "max_new_tokens": 32768, "seed": 3, "temperature": 0.7 }
3
7
AIME24
{ "expected_answer": "127", "problem_id": "aime24-7", "reference_solution": "First, let's consider a section $\\mathcal{P}$ of the solids, along the axis.\nBy some 3D-Geomerty thinking, we can simply know that the axis crosses the sphere center. So, that is saying, the $\\mathcal{P}$ we took crosses one of th...
Okay, let me try to tackle this problem step by step. So, we have a torus T, which is a donut-shaped surface created by revolving a circle with radius 3 around an axis in its plane that is 6 units away from the center of the circle. Then there's a sphere S with radius 11. The torus can rest either inside or outside the...
[ { "content": "Problem: There is a collection of $25$ indistinguishable white chips and $25$ indistinguishable black chips. Find the number of ways to place some of these chips in the $25$ unit cells of a $5\\times5$ grid such that: each cell contains at most one chip all chips in the same row and all ch...
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3
8
AIME24
{ "expected_answer": "902", "problem_id": "aime24-8", "reference_solution": "The problem says \"some\", so not all cells must be occupied.\nWe start by doing casework on the column on the left. There can be 5,4,3,2, or 1 black chip. The same goes for white chips, so we will multiply by 2 at the end. There is $1$...
Okay, so I have this problem here: I need to find the number of ways to place some white and black chips on a 5x5 grid. The rules are that each cell can have at most one chip, all chips in the same row must be the same color, all chips in the same column must be the same color, and you can't place any more chips withou...
[ { "content": "Problem: Let $\\triangle ABC$ have circumcenter $O$ and incenter $I$ with $\\overline{IA}\\perp\\overline{OI}$ , circumradius $13$ , and inradius $6$ . Find $AB\\cdot AC$ .\nMark your solution with \\boxed\nAnswer:", "role": "user" } ]
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3
9
AIME24
{ "expected_answer": "468", "problem_id": "aime24-9", "reference_solution": "By Euler's formula $OI^{2}=R(R-2r)$ , we have $OI^{2}=13(13-12)=13$ . Thus, by the Pythagorean theorem, $AI^{2}=13^{2}-13=156$ . Let $AI\\cap(ABC)=M$ ; notice $\\triangle AOM$ is isosceles and $\\overline{OI}\\perp\\overline{AM}$ ...
Okay, so I have this geometry problem here. Let me read it again to make sure I understand. We have triangle ABC with circumcenter O and incenter I. The condition given is that IA is perpendicular to OI. The circumradius is 13, and the inradius is 6. We need to find AB * AC. Hmm, interesting. Let me think about how to ...