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stringclasses
5 values
sciq
sciq_4
The process of transferring pollen from the male reproductive part of a flower known as the anthers to the female reproductive part of the flower known as the stigma is referred to as what?
[ "inoculation", "fertilization", "reproduction", "pollination" ]
D
aqua_train
aqua_train_82707
A and B together can do a work in 6 days. If A alone can do it in 15 days. In how many days can B alone do it?
[ "A)10", "B)99", "C)88", "D)66", "E)12" ]
A
science_train
science_train_1692
Question: Will these magnets attract or repel each other? Hints:
[ "repel", "attract" ]
B
aqua_train
aqua_train_38383
In a group of 6 boys and 4 girls, four children are to be selected. In how many different ways can they be selected such that at least one boy should be there?
[ "A)210", "B)209", "C)212", "D)211", "E)200" ]
B
aqua_train
aqua_train_69791
Every year an amount increases by 1/8th of itself. How much will it be after two years if its present value is Rs.64000?
[ "A)81000", "B)81028", "C)81287", "D)29766", "E)81372" ]
A
aqua_train
aqua_train_7630
2+2+2²+2³ ... +2^9
[ "A)2^9", "B)2^10", "C)2^16", "D)2^35", "E)2^37" ]
B
sciq
sciq_4
What disease can too little calcium cause?
[ "anemia", "arthritis", "psoriasis", "osteoporosis" ]
D
aqua_train
aqua_train_5846
What is the smallest five digit number that is divisible by 15, 32, 45, and 54?
[ "A)11260", "B)11860", "C)12360", "D)12960", "E)13560" ]
D
aqua_train
aqua_train_1550
The calender for the year 2007 will be the same for the year :
[ "A)2014", "B)2016", "C)2017", "D)2018", "E)None of these" ]
D
science_train
science_train_5567
Question: Which bird's beak is also adapted to get nectar out of long flowers? Hints:
[ "bronzy sunbird", "northern mockingbird" ]
A
aqua_train
aqua_train_5215
If 2ab - c = 2a(b - 2c), which of the following must be true?
[ "A) a=0 and c=0", "B) a=1/2 and b=2", "C) b=1 and c=0", "D) a=1 or b=0", "E) a=1/4 or c=0" ]
E
aqua_train
aqua_train_11651
Two pipes A and B can fill a tank in 15 min and 18 min respectively. Both the pipes are opened together but after 4 min, pipe A is turned off. What is the total time required to fill the tank?
[ "A)14 min 19 sec", "B)13 min 36 sec", "C)14 min 20 sec", "D)14 min 40 sec", "E)14 min 10 sec" ]
B
sciq
sciq_4
What are the earliest reptile genus named?
[ "brachyophis", "collorhabdium", "scolecophis", "hylonomus" ]
D
sciq
sciq_4
What phylum has the highest number of species on earth?
[ "lophotrochozoa", "cephalopods", "lichens", "arthropods" ]
D
aqua_train
aqua_train_66848
If x = y+4.5x and y = x+18, what is the value of x/y ?
[ "A)-6/5.", "B)-7/20.", "C)1/4.", "D)-2/7.", "E)1.5." ]
D
aqua_train
aqua_train_30388
If a is the sum of u consecutive positive integers. b is the sum of v consecutive positive integers. For which of the following values of u and v is it impossible that a = b?
[ "A)u = 2; v = 6", "B)u = 3; v = 6", "C)u = 7; v = 9", "D)u = 10; v = 7", "E)u = 10; v = 4" ]
E
aqua_train
aqua_train_82815
49 × 49 × 49 × 49 x 49 × 49 × 49 × 49= 7?
[ "A)4", "B)7", "C)8", "D)16", "E)None of these" ]
D
aqua_train
aqua_train_90633
A certain library assesses fines for overdue books as follows. On the first day that a book is overdue, the total fine is $0.05. For each additional day that the book is overdue, the total fine is either increased by $0.30 or doubled, whichever results in the lesser amount. What is the total for a book on the fifth day...
[ "A)$0.60", "B)$0.70", "C)$0.80", "D)$0.90", "E)$1.00" ]
B
aqua_train
aqua_train_55247
What is the next number of the following sequence 1,3,4,5,6,7,8,9,1,9,16,25,36,49,64...
[ "A)14", "B)15", "C)81", "D)17", "E)18" ]
C
aqua_train
aqua_train_65658
A work as fast as B. If B can complete a work in 36days independently,the number of days in which A and B can together finish the work in?
[ "A)12days", "B)3days", "C)4days", "D)5days", "E)6days" ]
A
aqua_train
aqua_train_27206
Increasing the original price of a certain item by 25 percent and then increasing the new price by 25 percent is equivalent to increasing the original price by what percent?
[ "A)31.25", "B)37.5", "C)50.0", "D)52.5", "E)56.25" ]
E
aqua_train
aqua_train_1955
If 'A' means '-', 'B' means '/', 'C' means '+', and 'D' means 'X' then Find the value of the following: 21 B 7 C 9 D 10 A 13
[ "A)80", "B)75", "C)85", "D)95", "E)66" ]
A
aqua_train
aqua_train_33124
The total age of A and B is 11 years more than the total age of B and C. C is how many year younger than A
[ "A)11", "B)12", "C)13", "D)14", "E)15" ]
A
sciq
sciq_4
Continually increasing the pressure on the liquid will eventually cause the substance to do what?
[ "explode", "erode", "transform", "solidify" ]
D
aqua_train
aqua_train_78812
A, B and C invest in a partnership in the ratio: 7/2, 4/3, 6/5. After 4 months, A increases his share 50%. If the total profit at the end of one year be Rs. 22,680, then what is B's share in the profit?
[ "A)Rs. 2000", "B)Rs. 3000", "C)Rs. 4200", "D)Rs. 5200", "E)None of these" ]
C
aqua_train
aqua_train_78318
Sides of a rectangular park are in the ratio 3: 2 and its area is 3750 sq m, the cost of fencing it at 40 ps per meter is?
[ "A)287", "B)369", "C)100", "D)279", "E)361" ]
C
aqua_train
aqua_train_18375
If the average marks of three batches of 55, 60 and 45 students respectively is 45, 55, 60, then the average marks of all the students is:
[ "A)53.33", "B)54.68", "C)52.97", "D)56", "E)None of these" ]
C
aqua_train
aqua_train_95225
The ratio between the length and the breadth of a rectangular park is 3 : 1. If a man cycling along the boundary of the park at the speed of 12 km/hr completes one round in 8 min, then the area of the park (in sq. m) is?
[ "A)124545 m", "B)134561 m", "C)156787 m", "D)15450 m", "E)120000 m" ]
E
sciq
sciq_4
This sharing of electrons produces what is known as a covalent bond. covalent bonds are ~20 to 50 times stronger than what?
[ "Mendelian systems", "Newton's third law", "gravitational pull", "van der waals interactions" ]
D
aqua_train
aqua_train_35271
Express a speed of 16 kmph in meters per second?
[ "A)10 mps", "B)8 mps", "C)4 mps", "D)7 mps", "E)2 mps" ]
C
aqua_train
aqua_train_61490
IF IN A AP SERIES 18TH TERM IS 29 & 29TH TERM IS 18. THEN FIND THE 49TH TERM??
[ "A)0", "B)-1", "C)-2", "D)1", "E)2" ]
C
sciq
sciq_4
The central vacuole maintains turgor pressure against what?
[ "the cell move", "the cell multiplication", "the cell addition", "the cell wall" ]
D
aqua_train
aqua_train_83169
A cricketer has certain average for 5 innings. In the 6 inning he scored 90 runs, there by increasing his average by 8 runs. His new average is
[ "A)42", "B)52", "C)60", "D)48", "E)36" ]
A
sciq
sciq_4
In sexually reproducing organisms, parents pass a copy of each type of what to their offspring by producing gametes?
[ "molecule", "genome", "phenotype", "chromosome" ]
D
sciq
sciq_4
Van der waals forces are weak interactions between molecules that involve what?
[ "atoms", "particles", "photons", "dipoles" ]
D
sciq
sciq_4
What are small gnawing mammals such as rats and mice called?
[ "miniatures", "marsupials", "furries", "rodents" ]
D
aqua_train
aqua_train_41339
A number is doubled and 9 is added. If resultant is trebled, it becomes 75. What is that number
[ "A)8", "B)10", "C)12", "D)14", "E)16" ]
A
aqua_train
aqua_train_62873
Pipe A can fill a tank in 6 hours, pipe B in 10 hours and pipe C in 30 hours. If all the pipes are open, in how many hours will the tank be filled ?
[ "A)2.5 hours", "B)3.3 hours", "C)3.5 hours", "D)3 hours", "E)None of these" ]
B
aqua_train
aqua_train_40076
A train travelled from station P to Q in 8 hours and came back from station Q to P is 6 hours. What would be the ratio of the speed of the train while traveling from station P to Q to that from station Q to P?
[ "A)3 : 6", "B)3 : 9", "C)3 : 3", "D)3 : 4", "E)3 : 1" ]
D
aqua_train
aqua_train_40165
If two integers x,y (x>y) are selected from -5 to 5 (inclusive), how many cases are there?
[ "A)55", "B)60", "C)65", "D)70", "E)75" ]
A
aqua_train
aqua_train_41018
A 1200 m long train crosses a tree in 120 sec, how much time will I take to pass a platform 700 m long?
[ "A)180", "B)190", "C)130", "D)120", "E)140" ]
B
aqua_train
aqua_train_76586
A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If two marbles are picked at random, what is the probability that they are either blue or yellow?
[ "A)2/28", "B)2/29", "C)2/21", "D)2/29", "E)2/20" ]
C
aqua_train
aqua_train_32611
In his pocket, a boy has 5 red marbles, 6 blue marbles, and 7 green marbles. How many will he have to take out of his pocket to ensure that he has taken out at least one of each color?
[ "A)11", "B)12", "C)13", "D)14", "E)15" ]
D
aqua_train
aqua_train_28747
If the value of a piece of office decreases by 10% while the new tax rate on the office represent 110% of the original tax rate, what is the effect on the taxes?
[ "A)a - taxes increase by 10%", "B)b- taxes increase by 1%", "C)c- there is no change in taxes", "D)d- taxes decrease by 1%", "E)c- taxes decrease by 10%" ]
D
aqua_train
aqua_train_22492
An auto assembly plant performs six functions with each frame that arrives: add axles, add wheels to the axles, install the windshield to the frame, install the instrument panel, install the steering wheel, and install the interior seating. Once those six tasks are performed, each car goes to a separate building for fi...
[ "A)120", "B)240", "C)360", "D)480", "E)720" ]
C
science_train
science_train_6083
Question: What information supports the conclusion that Jordan acquired this trait? Hints:
[ "Jordan's neighbor taught him how to repair a kite.", "Jordan likes to fly a kite with his younger brother.", "Jordan's friend taught him how to fly a kite." ]
C
sciq
sciq_4
Bacteria are responsible for many types of what in humans?
[ "colors", "smells", "food", "diseases" ]
D
sciq
sciq_4
What do offsprings obtain from their parents in what is called, inheritance?
[ "variations", "mutations", "attributes", "characteristics" ]
D
aqua_train
aqua_train_38517
Each child has 3 crayons and 12 apples. If there are 6 children, how many crayons are there in total?
[ "A)22", "B)65", "C)18", "D)36", "E)10" ]
C
aqua_train
aqua_train_25356
Two members of a club are to be selected to represent the club at a national meeting. if there are 190 different possible selections of the 2 members, how many members does the club have?
[ "A)20", "B)27", "C)40", "D)57", "E)95" ]
A
aqua_train
aqua_train_10268
Of the families in City X in 1998, 30 percent owned a personal computer. The number of families in City X owning a computer in 2002 was 20 percent greater than it was in 1998, and the total number of families in City X was 8 percent greater in 2002 than it was in 1998. what percent of the families in City X owned a per...
[ "A)50.12%", "B)52.66%", "C)56.33%", "D)33.33%", "E)74.12%" ]
D
aqua_train
aqua_train_10222
If a certain sample of data has a mean of 18.0 and the value 26.0 is more than 2.5 standard deviations from the mean, which of the following could be the standard deviation of the sample
[ "A)3.75", "B)3.5", "C)3.15", "D)3.85", "E)2.75" ]
C
aqua_train
aqua_train_17855
P can lay railway track between two stations in 16 days. Q can do the same job in 12 days. With the help of R, they completes the job in 4 days. How much days does it take for R alone to complete the work?
[ "A)9(3/5) days", "B)9(1/5) days", "C)9(2/5) days", "D)10 days", "E)15 days" ]
A
science_train
science_train_4919
Question: Is a ring a solid, a liquid, or a gas? Hints:
[ "a solid", "a liquid", "a gas" ]
A
science_train
science_train_1667
Question: Select the fish below. Hints:
[ "robin", "bull shark" ]
B
ds_train
ds_train_936
In a supervised machine learning problem, we often need to evaluate different models using a validation set. Suppose you are dealing with a high-dimensional dataset, and you decide to use k-fold cross-validation to validate your models. What is a primary disadvantage of using k-fold cross-validation in this context?
[ "A. It increases the risk of overfitting the model to the training data.\nB. It requires significantly more computational resources due to repeated training and validation.\nC. It does not provide a good estimate of the model's performance on unseen data.\nD. It reduces the amount of data available for training the...
B
aqua_train
aqua_train_49978
In what time will a train 120 m long cross an electric pole, it its speed be 160 km/hr?
[ "A)2.5 sec", "B)2.9 sec", "C)2.7 sec", "D)8.7 sec", "E)8.5 sec" ]
C
aqua_train
aqua_train_62770
A, B, and C contest an election from a particular constituency. A and B together got 50% more votes than C. The vote share of A and C together is 30 percentage points more than the vote share of B. Who won the election?
[ "A)A", "B)B", "C)C", "D)Cannot be determined", "E)none" ]
C
aqua_train
aqua_train_64526
There are 20cm, 21cm, 22cm,23cm, 24cm,25cm rods of quantities 2,3,6,4,3,2 respectively. Find average of this data.
[ "A)32.25", "B)21.45", "C)45", "D)22.45", "E)22" ]
D
aqua_train
aqua_train_88655
If A, B and C together can finish a piece of work in 6 days. A alone in 12 days and B in 18 days, then C alone can do it in?
[ "A)1", "B)7", "C)8", "D)9", "E)36" ]
E
aqua_train
aqua_train_82039
A and B starts a business with Rs.8000 each, and after 8 months, B withdraws half of his capital . How should they share the profits at the end of the 10 months?
[ "A)18:13", "B)18:16", "C)18:10", "D)18:14", "E)14:11" ]
A
aqua_train
aqua_train_29787
If n is an integer, then which of the following statements is/are FALSE? I)n^3 – n is always even. II)8n^3 +12n^2 +6n +1 is always even. III)√ (4n^2 – 4n +1) is always odd.
[ "A)I only", "B)II only", "C)I and II only", "D)II and III only", "E)I", "II and III" ]
B
aqua_train
aqua_train_93795
The cost price of a radio is Rs.1500 and it was sold for Rs.1230, find the loss %?
[ "A)18%", "B)17%", "C)15%", "D)11%", "E)12%" ]
A
aqua_train
aqua_train_63927
If w and y are different prime numbers less than ten, what must be true about the sum of w and y?
[ "A)the sum is even", "B)the sum is odd", "C)the sum is less than ten", "D)the sum is greater than ten", "E)the sum is less than 13" ]
E
aqua_train
aqua_train_69369
If Rs.7500 are borrowed at C.I at the rate of 4% per annum, then after 3 years the amount to be paid is?
[ "A)8118", "B)8127", "C)8618", "D)8436", "E)8128" ]
D
aqua_train
aqua_train_32136
If y ≠ 3 and 2 x/y is a prime integer greater than 2, which of the following must be true? I. x = y II. y = 1 III. x and y are prime integers.
[ "A)None", "B)I only", "C)II only", "D)III only", "E)I and II" ]
A
aqua_train
aqua_train_74851
The average (arithmetic mean) of 4 different integers is 72. If the largest integer is 90, what is the least possible value of the smallest integer?
[ "A)1", "B)19", "C)21", "D)30", "E)33" ]
C
aqua_train
aqua_train_82682
How many pieces of 0.63 meteres can be cut from a rod 32.5 meteres long
[ "A)30", "B)40", "C)51", "D)60", "E)70" ]
C
aqua_train
aqua_train_82600
The product of all the prime numbers less than 10 is closest to which of the following powers of 10?
[ "A)10^9", "B)10^2", "C)10^7", "D)10^6", "E)10^5" ]
B
science_train
science_train_5156
Question: Which bird's beak is also adapted to crack large, hard nuts? Hints:
[ "northern mockingbird", "hyacinth macaw" ]
B
aqua_train
aqua_train_86467
If n is a prime number and n ≠ 3, which of the following could be the remainder when 100! + n is divided by 3? I. 2 II. 1 III. -3
[ "A)II only", "B)III only", "C)I and II only", "D)II and III only", "E)I", "II and III" ]
C
aqua_train
aqua_train_52526
If two resistors, A(R1) and B(R2) stand in parallel with each other in electrical wire, the total resistor appears as R1R2/(R1+R2). If three resistors, A(R1), B(R2), and C(2R2) stand in parallel in electrical wire, what is the ratio J of the resistors’ sum of A and C to the resistors’ sum of A and B?
[ "A)2(R1+R2):(R1+2R2)", "B)(R1+R2):(R1+2R2)", "C)(2R1+R2):(R1+2R2)", "D)2(R1+R2):(2R1+R2)", "E)2(R1-R2):(R1+2R2)" ]
A
ds_train
ds_train_2328
Consider a digital communication system that employs a channel code to achieve reliable transmission over a noisy channel. Given the following scenarios, which method can be used to detect and correct errors in the transmitted data?
[ "A. Cyclic Redundancy Check (CRC)\nB. Hamming Code\nC. Parity Bit\nD. Multiplexing" ]
B
aqua_train
aqua_train_79998
After 2 games, team B had an average of 61.5 points per game. If it got only 47 points in game 3, how many more points does it need to score to get its total above 500?
[ "A)805", "B)740", "C)670", "D)530", "E)330" ]
E
aqua_train
aqua_train_68984
here are 5 Rock songs, 6 Karnatic songs and 3 Hindi pop songs. How many different albums can be formed using the above should contain at least 1 Rock song and 1 karnatic song?
[ "A)45133", "B)15384", "C)63215", "D)15624", "E)45123" ]
D
science_train
science_train_5699
Question: Which animal's limbs are also adapted for swimming? Hints:
[ "California sea lion", "ostrich" ]
A
aqua_train
aqua_train_63290
what is the least number by which 16,800 must be divided to get a number perfect square
[ "A)21", "B)42", "C)24", "D)40", "E)45" ]
B
aqua_train
aqua_train_46249
If the time is currently 1:30pm, what time will it be in exactly 239 hours?
[ "A)12:30am", "B)1:30am", "C)12:30pm", "D)2:30pm", "E)10:30pm" ]
C
aqua_train
aqua_train_19611
Carol spends 1/4 of her savings on a stereo and 1/6 less than she spent on the stereo for a television. What fraction of her savings did she spend on the stereo and television?
[ "A)1/4", "B)2/7", "C)5/12", "D)1/2", "E)11/24" ]
E
aqua_train
aqua_train_53035
3 candidates in an election and received 2500, 5000 and 20000 votes respectively. What % of the total votes did the winningcandidate got in that election?
[ "A)72.72%", "B)50%", "C)57.57%", "D)60%", "E)65%" ]
A
aqua_train
aqua_train_73279
The sum of two numbers is 45. Their difference is 5. The bigger number is
[ "A)20", "B)25", "C)30", "D)35", "E)45" ]
B
sciq
sciq_4
What event occurs between the two solstices?
[ "Christmas", "summer", "Leap Year", "equinox" ]
D
ds_train
ds_train_979
Imagine you are developing a semi-automatic image recognition system for a medical imaging application, where the system initially presents a set of potential regions of interest (ROIs) which a radiologist must then confirm or adjust. What is the primary advantage of incorporating human input in this semi-automatic sys...
[ "A. Higher speed in processing large volumes of images\nB. Increased robustness to varying image qualities and anomalies\nC. Decreased training data requirements for machine learning models\nD. Reduced necessity for human expertise in the field" ]
B
aqua_train
aqua_train_53006
In how many different ways can 5 females and 5 males form a circle such that the males and the females alternate?
[ "A)1400", "B)2800", "C)1200", "D)3000", "E)4012" ]
B
aqua_train
aqua_train_13554
A mixture contains milk and water in the ratio 3:2. On adding 10 liters of water, the ratio of milk to water becomes 2:3. Total quantity of milk & water before adding water to it?
[ "A)30", "B)40", "C)20", "D)10", "E)25" ]
C
sciq
sciq_4
Torpor, a process that leads to a decrease in activity and metabolism and allows animals to survive adverse conditions, includes what long winter 'sleep'?
[ "fermentation", "pollination", "relaxation", "hibernation" ]
D
aqua_train
aqua_train_22586
An choclate store received shipments of ingredients on Monday and Tuesday . Tuesday's shipment had 3 different packages, with an average (arithmetic mean) of 11 and 2/3 pounds. Wednesday's shipment included 7 packages, weighing an average of 9 and 3/7 pounds. What was the average package weight, in pounds, of the shipm...
[ "A)0 and 1/10 pounds", "B)9 and 6/7 pounds1", "C)10 and 2/5 pounds", "D)11 pounds", "E)11 and 1/7 pounds" ]
A
aqua_train
aqua_train_76853
When a merchant imported a certain item, she paid a 7 percent import tax on the portion of the total value of the item in excess of $1,000. If the amount of the import tax that the merchant paid was $110.60, what was the total value of the item?
[ "A)$2160", "B)$2370", "C)$2580", "D)$2790", "E)$2950" ]
C
aqua_train
aqua_train_25147
January 1, 2007 was Monday. What day of the week lies on Jan. 1, 2008?
[ "A)Monday", "B)Tuesday", "C)Wednesday", "D)Sunday", "E)Friday" ]
B
aqua_train
aqua_train_34922
The proportion of water to alcohol in Solution A is 4:1 and the proportion of water to alcohol in Solution B is 3:1. If an equal amount of each solution is mixed together, what is the concentration of alcohol in the new solution?
[ "A)16.5%", "B)18.5%", "C)20.5%", "D)22.5%", "E)24.5%" ]
D
aqua_train
aqua_train_48995
For a rectangular box, what is the product of the areas of the 3 adjacent faces that meet at a point?
[ "A)Volume of the box", "B)Twice the volume of the box", "C)Half of the volume of the box", "D)Square of the volume of the box", "E)None of these" ]
D
aqua_train
aqua_train_30366
Count the two-digit whole numbers which yield a remainder of 5 when divided by 10 and also yield a remainder of 0 when divided by 3?
[ "A)Two", "B)Five", "C)Three", "D)One", "E)Six" ]
C
aqua_train
aqua_train_32847
A train 240 m long passed a pole in 24 sec. How long will it take to pass a platform 650 m long?
[ "A)76 sec", "B)89 sec", "C)87 sec", "D)15 sec", "E)16 sec" ]
B
aqua_train
aqua_train_97050
The sum of 3 consecutive numbers is definitely
[ "A)Positive.", "B)Divisible by 2.", "C)Divisible by 4.", "D)Divisible by 3.", "E)Divisible by 5." ]
D
aqua_train
aqua_train_80669
In a business school case competition, the top three teams receive cash prizes of $5,000, $3,000, and $2,000, respectively, while the remaining teams are not ranked and do not receive any prizes. There are 6 participating teams, named Team A, Team B, Team C, Team D, Team E, and Team F. If Team A wins one of the prizes,...
[ "A)18", "B)20", "C)54", "D)84", "E)120" ]
D
aqua_train
aqua_train_4744
In a 1000 m race, A beats B by 10 m and B beats C by 100 m. In the same race, by how many meters does A beat C?
[ "A)A)109m", "B)B)829m", "C)C)822m", "D)D)929m", "E)E)132mj" ]
A
aqua_train
aqua_train_11880
A wooden cube whose edge length is 8 inches is composed of smaller cubes with edge lengths of one inch. The outside surface of the large cube is painted red and then it is split up into its smaller cubes. If one cube is randomly selected from the small cubes, what is the probability that the cube will have at least one...
[ "A)46.3%", "B)50.4%", "C)54.2%", "D)57.8%", "E)61.3%" ]
D
aqua_train
aqua_train_49631
How many odd, positive divisors does 540 have?
[ "A)6", "B)8", "C)12", "D)15", "E)24" ]
B
aqua_train
aqua_train_11835
How many 7-letter words can be formed using the letters of the English alphabet that contain 2 different vowels and 5 different consonants?
[ "A)4!*5c2 *21c2", "B)4!*5c3 *21c2", "C)5!*5c2 *21c2", "D)7!*5c2 *21c5", "E)6!*5c2 *21c2" ]
D
aqua_train
aqua_train_27460
A racng car travels k kilometres in n hours. How many miles will it travel in x hours at the same rate?
[ "A)knx", "B)k⁄n", "C)kn⁄x", "D)kx", "E)kx⁄n" ]
E