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5 values
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18
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1.92k
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stringclasses
5 values
aqua_train
aqua_train_13243
A rectangular box measures internally 1.6 m long, I m broad and 60 cm deep.The number of cubical blocks each of edge 20 cm that can be packed inside the box is
[ "A)30", "B)53", "C)60", "D)120", "E)None" ]
D
aqua_train
aqua_train_66772
In Town X, 64 percent of the population are employed, and 42 percent of the population are employed males. What percent of the employed people in Town X are females?
[ "A)16%", "B)25%", "C)32%", "D)34%", "E)52%" ]
D
sciq
sciq_4
What parts of comets make them easy to see?
[ "arcs and tails", "novas and tails", "craters and tails", "comas and tails" ]
D
aqua_train
aqua_train_39509
It takes printer A 4 more minutes than printer B to print 40 pages. Working together, the two printers can print 50 pages in 6 minutes. How long will it take printer A to print 80 pages?
[ "A)12", "B)18", "C)20", "D)24", "E)30" ]
D
aqua_train
aqua_train_81474
A can run 1 km in 3 min. 10 sec. and B can cover the same distance in 3 min. 20 sec. By what distance can A beat B ?
[ "A)30 metres", "B)50 metres", "C)48 metres", "D)55 metres", "E)20 metres" ]
B
aqua_train
aqua_train_51658
The ratio of 2 numbers is 2:3 and their H.C.F. is 10. Their L.C.M. is ?
[ "A)30", "B)60", "C)20", "D)10", "E)40" ]
B
aqua_train
aqua_train_51785
The average age of a group of 5 members is 20 years. Two years later, a new member joins the group. The average age of the group becomes 23 years. What is the age of the new member ?
[ "A)20 years", "B)21 years", "C)28 years", "D)23 years", "E)24 years" ]
C
aqua_train
aqua_train_25541
Which of the following points is closest to line y=x
[ "A)(2", "-1)", "B)(2", "4)", "C)(-1", "1)", "D)(-2", "-1)", "E)(-2", "0)" ]
D
aqua_train
aqua_train_1915
Two numbers are respectively 20% and 50% more than a third number. The percentage that is first of the second is?
[ "A)77%", "B)78%", "C)79%", "D)80%", "E)81%" ]
D
aqua_train
aqua_train_72054
A is two years older than B who is twice as old as C. If the total of the ages of A, B and C be 27, the how old is B?
[ "A)8", "B)9", "C)10", "D)11", "E)12" ]
C
aqua_train
aqua_train_5564
Two trains start from P and Q respectively and travel towards each other at a speed of 50 km/hr and 40 km/hr respectively. By the time they meet, the first train has traveled 100 km more than the second. The distance between P and Q is?
[ "A)237", "B)278", "C)277", "D)900", "E)261" ]
D
science_train
science_train_4312
Question: Select the fish below. Hints:
[ "catfish", "fruit bat" ]
A
aqua_train
aqua_train_41419
The credit card and a global payment processing companies have been suffering losses for some time now. A well known company recently announced its quarterly results. According to the results, the revenue fell to $52.0 billion from $69.0 billion, a year ago. By what percent did the revenue fall?
[ "A)20.8", "B)24.6", "C)31.8", "D)32.5", "E)33.8" ]
B
aqua_train
aqua_train_29000
Set A = {1, 2, 3, 4, 5, 6, w} Which of the following possible values for w would cause Set A to have the smallest standard deviation?
[ "A) 1", "B) 2.5", "C) 3", "D) 3.5", "E) 7" ]
D
aqua_train
aqua_train_5477
A box contain 7 one rupee coins and 5 ten rupee coins.A coin is drawn at random.What is the probability that the coin drawn is ten rupee coin?
[ "A)5/12", "B)7/12", "C)12/5", "D)12/7", "E)4/5" ]
A
aqua_train
aqua_train_61508
Two trains, traveling towards each other, left from two stations that are 900 miles apart, at 4 pm. If the rate of the first train is 72 mph and the rate of the second train is 78 mph, at whatt time will they pass each other?
[ "A)2", "B)4", "C)6", "D)8", "E)10" ]
C
aqua_train
aqua_train_65793
A question paper consists of five problems, each problem having three internal choices. In how many ways can a candidate attempt one or more problems?
[ "A)1029", "B)1020", "C)1023", "D)1098", "E)1012" ]
C
aqua_train
aqua_train_57783
Two consecutive traffic signals each show either red or green. How many different arrangements of the two signals are possible? (Note: “Red-green” is different from “green-red.”)
[ "A)10", "B)9", "C)8", "D)7", "E)4" ]
E
aqua_train
aqua_train_89042
A 25 cm wide path is to be made around a circular garden having a diameter of 4 meters. Approximate area of the path is square meters is?
[ "A)3.34", "B)3.32", "C)3.2", "D)3.08", "E)3.17" ]
A
science_train
science_train_2926
Question: Does this passage describe the weather or the climate? The sky is clear right now, so it should be easy to see the stars tonight. Hints:
[ "weather", "climate" ]
A
aqua_train
aqua_train_66490
12 men work 8 hours per day to complete the work in 10 days. To complete the same work in 8 days, working 15 hours a day, the number of men required
[ "A)8 days", "B)3 days", "C)7 days", "D)5 days", "E)6 days" ]
A
sciq
sciq_4
What affects the boiling point of water?
[ "heat source", "internal pressure", "latter pressure", "external pressure" ]
D
aqua_train
aqua_train_87991
The side of a square is increased by 25% then how much % does its area increases?
[ "A)55.2 %", "B)10 %", "C)15 %", "D)56.25 %", "E)18 %" ]
D
aqua_train
aqua_train_30772
The owner of a furniture shop charges his customer 24% more than the cost price. If a customer paid Rs. 8463 for a computer table, then what was the cost price of the computer table?
[ "A)6825", "B)2977", "C)2871", "D)6725", "E)2981" ]
A
aqua_train
aqua_train_16783
Tickets numbered from 1 to 20 are mixed and then a ticket is selected randomly. What is the probability that the selected ticket bearsa number which is a multiple of 3?
[ "A)2/5", "B)3/5", "C)3/10", "D)3/11", "E)4/5" ]
C
aqua_train
aqua_train_598
What is the probability Q of randomly selecting an arrangement of the letters of the wordMEDITERRANEANin which the first letter is E and the last letter is R?
[ "A)1/13", "B)1/20", "C)1/26", "D)1/50", "E)1/100" ]
C
aqua_train
aqua_train_84312
A train 800 metres long is running at a speed of 78 km/hr. If it crosses a tunnel in 1 minute, then the length of the tunnel (in meters) is:
[ "A)400", "B)450", "C)500", "D)520", "E)550" ]
C
science_train
science_train_4496
Question: Select the organism in the same genus as the plains zebra. Hints:
[ "Camelus bactrianus", "Equus grevyi", "Cervus canadensis" ]
B
aqua_train
aqua_train_2775
A watch was sold at a loss of 10%. If it was sold for Rs.210 more, there would have been a gain of 4%. What is the cost price?
[ "A)s:1000", "B)s:1500", "C)s:1278", "D)s:1028", "E)s:1027" ]
B
aqua_train
aqua_train_53790
A train 850 m long is running at a speed of 78 km/hr. If it crosses a tunnel in 1 min, then the length of the tunnel is?
[ "A)510", "B)450", "C)500", "D)520", "E)589" ]
B
aqua_train
aqua_train_94663
When a random experiment is conducted, the probability that event A occurs is 1/6. If the random experiment is conducted 4 independent times, what is the probability that event A occurs exactly twice?
[ "A)17/216", "B)19/216", "C)23/216", "D)25/216", "E)35/216" ]
D
aqua_train
aqua_train_60371
Anand starts from a point P towards point Q, where PQ = 60 km. After 1 hour, Ram starts from P and catches up with Anand after 2 more hours. After meeting they continue to travel towards Q. On reaching Q, Ram reverses his direction and meets Anand 6 hours after the first meeting. Find Anand's speed.
[ "A)(45/7) kmph", "B)(60/7) kmph", "C)(40/7) kmph", "D)(30/7) kmph", "E)(65/7) kmph" ]
C
aqua_train
aqua_train_11482
A sum of money is sufficient to pay A's wages for 21 days and B's wages for 28 days. The same money is sufficient to pay the wages of both for?
[ "A)10 days", "B)12 days", "C)15 days", "D)20 days", "E)18 days" ]
B
aqua_train
aqua_train_57578
In a competitive examination in State A, 6% candidates got selected from the total appeared candidates. State B had an equal number of candidates appeared and 7% candidates got selected with 80 more candidates got selected than A. What was the number of candidates appeared from each State?
[ "A)7000", "B)8000", "C)9000", "D)10000", "E)11000" ]
B
aqua_train
aqua_train_80183
Out of a group of 10 contestants, 2 are to be selected at random. What is the maximum number of male contestants possible if the probability that both selected contestants are male is less than 40% ?
[ "A) 2.1", "B) 1.9", "C) 1.7", "D) 1.5", "E) 1.6" ]
D
aqua_train
aqua_train_51329
A train 450 m long is running at a speed of 68 kmph. How long does it take to pass a man who is running at 8 kmph in the same direction as the train?
[ "A)5 sec", "B)39 sec", "C)27 sec", "D)15 sec", "E)18 sec" ]
C
aqua_train
aqua_train_59303
Find the number of different prime factors of 2400
[ "A)4", "B)2", "C)3", "D)5", "E)6" ]
C
aqua_train
aqua_train_67730
The number of boys in a class is 2 times the number of girls. Which one of the following numbers cannot represent the total number of children in the class ?
[ "A)A)47", "B)B)44", "C)C)42", "D)D)40", "E)E)38" ]
C
sciq
sciq_4
What occurs when a parent cell splits into two identical daughter cells of the same size?
[ "diffusion", "division", "fusion", "fission" ]
D
aqua_train
aqua_train_97311
In an election between two candidates, 75% of the voters cast thierthier votes, out of which 2% of the votes were declared invalid. A candidate got 9261 votes which were 75% of the total valid votes. Find the total number of votes enrolled in that election.
[ "A)1600", "B)16000", "C)16800", "D)1680", "E)16870" ]
C
aqua_train
aqua_train_87229
3 women and a few men participated in a chess tournament. Each player played two matches with each of the other players. If the number of matches that men played among themselves is 78 more than those they played with the women, how many more men than women participated in the tournament?
[ "A)14", "B)13", "C)11", "D)10", "E)8" ]
D
ds_train
ds_train_655
In behavioral ecology, \"herd\" behavior can be categorized into several types depending on the underlying cause and structure. Which of the following best describes the concept of a \"selfish herd\"?
[ "A. Animals group together purely for social interaction and bonding.\nB. Individuals group together to reduce their individual risk of predation.\nC. The group moves and behaves together to maximize foraging efficiency.\nD. The grouping of animals is primarily for mating purposes during the breeding season." ]
B
aqua_train
aqua_train_3963
If the ratio of the roots of the equation x2+3px-6=0 is equal to that of the roots x2+6rx-12=0, then:
[ "A)5r=3p", "B)2p=r", "C)r=p", "D)2r=p", "E)None" ]
C
aqua_train
aqua_train_39917
What is the sum of the numbers between 1 and 12, inclusive?
[ "A)99", "B)65", "C)79", "D)78", "E)80" ]
D
aqua_train
aqua_train_70592
Let N be the greatest number that will divide 1305, 4665 and 6905, leaving the same remainder in each case. Then sum of the digits in N is:
[ "A)4", "B)6", "C)5", "D)7", "E)9" ]
A
aqua_train
aqua_train_8848
How many digits are in the number 50^8 × 8^3 × 11^2 x 10^4?
[ "A)22", "B)20", "C)19", "D)18", "E)17" ]
D
aqua_train
aqua_train_80070
A motorist travel to a place 150 km away at an average speed of 45 km/hr and returns at 30 km/hr.His average speed for the whole journey in km/hr is
[ "A)36 km/hr", "B)37.5 km/hr", "C)35.5 km/hr", "D)34.5 km/hr", "E)None of these" ]
A
aqua_train
aqua_train_95701
An order was placed for the supply of a carpet whose breadth was 6 m and length was 1.44 times the breadth. What be the cost of a carpet whose length and breadth are 40% more and 25% more respectively than the first carpet. Given that the ratio of carpet is Rs. 45 per sq m?
[ "A)4082.8", "B)408", "C)40", "D)4082.4", "E)88788" ]
D
aqua_train
aqua_train_70154
If q is the product of the integers from 1 to 30, inclusive, what is the greatest integer k for which 3^k is a factor of q ?
[ "A) 10", "B) 12", "C) 14", "D) 16", "E) 18" ]
C
aqua_train
aqua_train_37119
How much 60% of 50 is greater than 40% of 30?
[ "A)18", "B)99", "C)66", "D)55", "E)71" ]
A
aqua_train
aqua_train_5832
The price of a jacket is reduced by 25%. During a special sale the price of the jacket is reduced another 20%. By approximately what percent must the price of the jacket now be increased in order to restore it to its original amount?
[ "A)66.67", "B)35", "C)48", "D)65", "E)67.5" ]
A
aqua_train
aqua_train_91349
In the first 10 overs of a cricket game, the run rate was only 3.2. What should be the rate in the remaining 40 overs to reach the target of 292 runs?
[ "A)6.5", "B)6.22", "C)6.29", "D)6.39", "E)6.13" ]
A
aqua_train
aqua_train_22394
Find the odd man out. 3, 5, 15, 75, 1120, 84375
[ "A)15,", "B)84375", "C)1120", "D)75", "E)3" ]
C
aqua_train
aqua_train_66229
Shawn invested one half of his savings in a bond that paid simple interest for 2 years and received $200 as interest. He invested the remaining in a bond that paid compound interest, interest being compounded annually, for the same 2 years at the same rate of interest and received $245 as interest. What was the value o...
[ "A)4000", "B)3500", "C)2500", "D)3000", "E)2000" ]
E
ds_train
ds_train_1215
The Ehrenfeucht conjecture finds its place in formal language theory and deals with an important question about sequences. What is the Ehrenfeucht conjecture about?
[ "A. The finiteness of the number of equivalence classes of finite sequences.\nB. The existence of infinite sequences with uniform distribution.\nC. The reduction of a context-free grammar to its Chomsky Normal Form.\nD. The undecidability of the Post Correspondence Problem." ]
A
sciq
sciq_4
What device is an electrochemical cell or series of cells that produces an electric current?
[ "reactor", "magnet", "generator", "battery" ]
D
aqua_train
aqua_train_66161
A train 220 meters long is running with a speed of 60 kmph. In what time will it pass a man who is running at 6 kmph in the direction opposite to that in which the train is going?
[ "A)4", "B)6", "C)5", "D)12", "E)8" ]
D
aqua_train
aqua_train_65904
The ratio of three numbers is 3:4:5 and the sum of their squares is 1250. The sum of the numbers is:
[ "A)30", "B)50", "C)60", "D)70", "E)80" ]
C
aqua_train
aqua_train_45556
A bag contains 8 red, 6 blue and 4 green balls. If 2 ballsare picked at random, what is the probability that both are red?
[ "A)1/13", "B)2/23", "C)5/26", "D)7/30", "E)3/23" ]
D
aqua_train
aqua_train_89737
A five-year promissory note with a face value of $3500, bearing interest at 11% compounded semiannually, was sold 21 months after its issue date to yield the buyer 10% compounded quarterly.What amount was paid for the note
[ "A)4336.93", "B)4336.99", "C)4336.96", "D)4336.92", "E)4336.91" ]
A
aqua_train
aqua_train_90009
An item is being sold for $10 each. However, if a customer will “buy at least 3” they have a promo discount of 15%. Also, if a customer will “buy at least 10” items they will deduct an additional 28% to their “buy at least 3” promo price. If Sam buys 10 pcs of that item how much should he pay?
[ "A)$92.00", "B)$88.00", "C)$87.04", "D)$80.96", "E)$60.00" ]
E
sciq
sciq_4
An object with more mass has greater thermal energy than an object with less mass because it has more what?
[ "molecules", "ions", "gravity", "atoms" ]
D
aqua_train
aqua_train_53211
A football player scores 2 goals in his fifth match thus increasing his average goals score by 0.1. The total number of goals in his 5 matches would be
[ "A)4", "B)6", "C)8", "D)10", "E)12" ]
C
aqua_train
aqua_train_30332
At what rate percent of simple interest will a sum of money double itself in 22 years?
[ "A)6.54 %", "B)4.54 %", "C)8 .2 %", "D)4.94 %", "E)5.54 %" ]
B
aqua_train
aqua_train_3351
The average monthly income of P and Q is Rs. 5050. The average monthly income of Q and R is Rs. 6250 and the average monthly income of P and R is Rs. 5200. The monthly income of P is:
[ "A)3500", "B)4000", "C)4050", "D)5000", "E)5050" ]
B
science_train
science_train_1878
Question: Which part of the peach tree do we usually eat? Hints:
[ "the stem", "the root", "the fruit" ]
C
aqua_train
aqua_train_12382
A, B and C can do a piece of work in 7 days, 14 days and 28 days respectively. How long will they taken, if all the three work together?
[ "A)3 days", "B)4 days", "C)5 days", "D)6 days", "E)7 days" ]
B
sciq
sciq_4
What french chemist discovered the radioactive elements polonium and radium?
[ "margaret curie", "louis pasteur", "pascal curie", "marie curie" ]
D
aqua_train
aqua_train_21657
Let A be the event that a randomly selected two digit number is divisible by 2 and let B be the event that a randomly selected two digit number is divisible by 5. What is P(A and B)?
[ "A)1/18", "B)1/10", "C)1/5", "D)1/3", "E)1/2" ]
B
aqua_train
aqua_train_40629
In a game of billiards, A can give B 20 points in 60 and he can give C 30 points in 60. How many points can B give C in a game of 100?
[ "A)22", "B)88", "C)25", "D)99", "E)01" ]
C
aqua_train
aqua_train_58148
A multiple choice test consists of 4 questions, and each question has 5 answer choices. In how many R ways can the test be completed if every question is unanswered?
[ "A)24", "B)120", "C)625", "D)720", "E)1024" ]
C
aqua_train
aqua_train_91240
A vessel is filled with liquid, 3 parts of which are water and 5 parts syrup. How much of the mixture must be drawn off and replaced with water so that the mixture may be half water and half syrup?
[ "A)1/5", "B)2/5", "C)3/5", "D)4/5", "E)None of them" ]
A
aqua_train
aqua_train_95435
The workforce of Company X is 40% female. The company hired 20 additional male workers, and as a result, the percent of female workers dropped to 50%.How many employees did the company have after hiring the additional male workers?
[ "A)480", "B)500", "C)520", "D)460", "E)440" ]
C
aqua_train
aqua_train_16097
A,B,C can complete a piece of work in 3,9and 15 days respectively. Working together, they will complete the same work in how many days?
[ "A)45/23", "B)55/23", "C)61/57", "D)12/13", "E)22/23" ]
A
aqua_train
aqua_train_40784
Jonathan’s grandparents lend $100,000 to Jonathan at a simple annual interest rate of 10%. He pays them back 5 years later. How much do they receive?
[ "A)100,000∗0.1^5", "B)100,000∗0.5", "C)(100,000∗0.1)^5", "D)100,000∗1.1^5", "E)100,000∗1.5" ]
E
aqua_train
aqua_train_86804
Which of the following numbers is two more than the square of an odd integer?
[ "A)14,173", "B)14,361", "C)15,627", "D)15,737", "E)15,981" ]
C
aqua_train
aqua_train_70173
A cricket bat is sold for $850, making a profit of $225. The profit percentage would be
[ "A)24%", "B)25%", "C)30%", "D)36%", "E)40%" ]
D
aqua_train
aqua_train_73218
The length of a rectangle is two - fifths of the radius of a circle. The radius of the circle is equal to the side of the square, whose area is 1225 sq.units. What is the area (in sq.units) of the rectangle if the rectangle if the breadth is 10 units?
[ "A)140", "B)149", "C)148", "D)17", "E)143" ]
A
sciq
sciq_4
What type of behavioral rhythms are linked to the yearly cycle of seasons?
[ "annual", "biannual", "monthly", "circannual" ]
D
aqua_train
aqua_train_58018
8 machines, each working at the same constant rate, together can complete a certain job in 24 days. How many additional machines, each working at the same constant rate, will be needed to complete the Job in 16 days?
[ "A)2", "B)3", "C)4", "D)6", "E)8" ]
C
aqua_train
aqua_train_78592
The equal amounts of money are deposited in two banks each at 15% per annum for 3.5 years and 10 years respectively. If the difference between their interests is Rs.144, find the each sum?
[ "A)Rs.117.69", "B)Rs.147.69", "C)Rs.137.69", "D)Rs.157.69", "E)Rs.127.69" ]
B
aqua_train
aqua_train_83972
The average of 11 results is 50, if the average of first six results is 49 and that of the last six is 52. Find the sixth result?
[ "A)46", "B)56", "C)66", "D)76", "E)74" ]
B
aqua_train
aqua_train_63894
A fill pipe can fill 1/6 of cistern in 90 minutes in how many minutes, it can fill 5/6 of the cistern?
[ "A)450 min", "B)360 min", "C)240 min", "D)306 min", "E)500 min" ]
A
aqua_train
aqua_train_93430
A, B, C hired a car for Rs. 520 and used it for 7, 8 and 11 hours respectively. Hire charges paid by B were?
[ "A)127", "B)160", "C)287", "D)237", "E)111" ]
B
aqua_train
aqua_train_18053
Rs.2500 is divided into two parts such that if one part be put out at 5% simple interest and the other at 6%, the yearly annual income may be Rs.140. How much was lent at 5%?
[ "A)2333", "B)2777", "C)2688", "D)1000", "E)2871" ]
D
aqua_train
aqua_train_70717
Faiza has 6 purses, she gives 3 purse as gift. Now how many purse did she have ?
[ "A)2", "B)3", "C)11", "D)9", "E)4" ]
B
aqua_train
aqua_train_79529
The average weight of 3 packets A, B and C is 84 kg. Another packet D added into the group and the average now becomes 80 kg. If another packet E, whose weight is 3 kg more than that of D, replaces A then the average weight of B, C, D and E becomes 79 kg. The weight of A is:
[ "A)70 kg", "B)72 kg", "C)75 kg", "D)80 kg", "E)None of these" ]
C
aqua_train
aqua_train_14650
A and B go around a circular track of length 600 m on a cycle at speeds of 36 kmph and 54 kmph. After how much time will they meet for the first time at the starting point?
[ "A)120 sec", "B)198 sec", "C)178 sec", "D)665 sec", "E)276 sec" ]
A
aqua_train
aqua_train_49606
Find the C.I. on a sum of Rs.10000 for 9 months at 20% per annum, interest being compounded quarterly?
[ "A)2000", "B)10025", "C)1025", "D)2015", "E)2025" ]
C
aqua_train
aqua_train_19268
A sum of Rs. 2500 amounts to Rs. 3500 in 4 years at the rate of simple interest. What is the rate of interest?
[ "A)7%", "B)9%", "C)5%", "D)6%", "E)10%" ]
E
aqua_train
aqua_train_17881
How many ways are there for 6 males and 3 females to sit (around a circular table) if no male should sit next to a male (and no female next to female) and Mary wants to sit with her back on the wall?
[ "A)6", "B)12", "C)72", "D)100", "E)1440" ]
E
aqua_train
aqua_train_76194
Arjun started a business with Rs. 10,000 and is joined afterwards by Anoop with Rs.40, 000. After how many months did Anoop join if the profits at the end of the year are divided equally?
[ "A)3", "B)4", "C)5", "D)6", "E)9" ]
E
aqua_train
aqua_train_42030
Three people each took 3 tests. If the ranges of their scores in the 3 practice tests were 17, 28 and 35, what is the minimum possible range in scores of the three test-takers?
[ "A)a 17", "B)b) 28", "C)c) 35", "D)d) 45", "E)e) 80" ]
B
aqua_train
aqua_train_48887
Sreenivas sells a table to Shiva at 10% profit and Shiva sells it to Mahesh at 10% loss. At what price did Sreenivas purchase the table if Mahesh paid Rs. 2178?
[ "A)2228", "B)2771", "C)2200", "D)2877", "E)1112" ]
C
aqua_train
aqua_train_97190
Two numbers are in the ratio of 5:8. If 30 be subtracted from each, they are in the ratio of 5:9. Find the numbers?
[ "A)122,195", "B)121,199", "C)120,192", "D)102,192", "E)126,109" ]
C
aqua_train
aqua_train_45251
There is a 30% increase in the price of an article in the first year, a 20% decrease in the second year and a 10% increase in the next year. If the final price of the article is Rs. 2288, then what was the price of the article initially?
[ "A)Rs.2038", "B)Rs.2073", "C)Rs.2000", "D)Rs.2027", "E)Rs.2022" ]
C
aqua_train
aqua_train_21459
Mike and Fritz ran a 30-mile Marathon. Mike ran 10 miles at 10 miles per hour and then ran at 5 miles per hour for the remaining 20 miles.Fritz ran the first one-third (by time) of the run at 10 miles per hour and the remaining two-thirds of the run at 5 miles per hour. How much time in hours did Fritz take to complete...
[ "A)  3", "B)  3.5", "C)  4", "D)  4.5", "E)  5" ]
D
aqua_train
aqua_train_75469
Harold works at a resort from the beginning of March to the end of September. During the month of August this past year, he made 4 times the average (arithmetic mean) of his monthly totals in tips for the other months. His total tips for August were what fraction of his total tips for all of the months he worked?
[ "A)1/3", "B)2/5", "C)3/7", "D)1/2", "E)4/7" ]
B
ds_train
ds_train_1301
In the context of relational databases, consider a relation R with primary key attribute P and an attribute set {A, B, C, D}. If we create a composite index on attributes {A, B, C}, how will this composite index impact query performance for a query that filters on attributes A only?
[ "A. The query performance will remain the same.\nB. The query performance will become worse.\nC. The query performance will improve.\nD. The query cannot be executed." ]
C
aqua_train
aqua_train_56963
If the price of gasoline increases by 20% and a driver intends to spend only 14% more on gasoline, by how much percent should the driver reduce the quantity of gasoline that he buys?
[ "A)1%", "B)2%", "C)4%", "D)5%", "E)6%" ]
D