dataset
stringclasses
5 values
id
stringlengths
6
18
question
stringlengths
3
1.92k
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answer
stringclasses
5 values
aqua_train
aqua_train_70421
The sum of two numbers is 50 and their product is 1050. What will be the sum of their reciprocals?
[ "A)(11/140)", "B)(1/21)", "C)(35/4)", "D)(75/8)", "E)None" ]
B
aqua_train
aqua_train_56968
Solve the following quadratic equation by factoring.
[ "A)-2,7", "B)2,-7", "C)1,8", "D)1,-8", "E)2,6" ]
A
aqua_train
aqua_train_37956
When positive integer n is divided by 5, the remainder is 1. When n is divided by 7, the remainder is 3. What is the smallest positive integer k such that k + n is a multiple of 40.
[ "A)3", "B)4", "C)7", "D)32", "E)35" ]
C
aqua_train
aqua_train_43204
Calculate the different number of ways 7 boys and 2 girls can sit on a bench?
[ "A)362881", "B)362880", "C)311880", "D)362280", "E)362810" ]
B
aqua_train
aqua_train_15830
A cistern can be filled by a tap in 4 hours while it can be emptied by another tap in 9 hours. If both the taps are opened simultaneously, then after how much time will the cistern get filled?
[ "A)7.5", "B)7.4", "C)7.9", "D)7.2", "E)7.1" ]
D
aqua_train
aqua_train_93433
Diana picked a number of pears, each of which she sold, canned, or poached. If she canned 60 percent more than she poached, and she poached 50 percent less than she sold. If there were a total of 115 pears, then how many pears did she sell?
[ "A)41", "B)44", "C)47", "D)50", "E)53" ]
D
aqua_train
aqua_train_75019
n^(n/2)=8 is true when n=8 in the same way what is the value of n if n^(n/2) =20?
[ "A)8", "B)14", "C)10", "D)20", "E)40" ]
D
aqua_train
aqua_train_76465
A man can row downstream at the rate of 30 Kmph and upstream at 10 Kmph. Find the man’s rate in still water and rate of current?
[ "A)10", "B)8.0", "C)9.5", "D)9.0", "E)8.25" ]
A
aqua_train
aqua_train_83792
24 oz of juice P and 25 oz of juice V are mixed to make smothies M and Y . The ratio of p to V in smothie M is 4 is to 1 and that in Y is 1is to 5.How many ounces of juice P are contained in the smothie M?
[ "A)5", "B)10", "C)15", "D)20", "E)25" ]
D
aqua_train
aqua_train_27253
A certain automobile company’s best-selling model is the Speedster. The Speedster, like all of their other models, comes in coupe and convertible styles. 2/3 of the current inventory is Speedsters, of which 4/5 are convertibles. If there are 40 vehicles that are not Speedsters, how many Speedster convertibles are there...
[ "A)30", "B)64", "C)60", "D)70", "E)90" ]
B
science_train
science_train_4373
Question: Which part of the purple artichoke plant do we usually eat? Hints:
[ "the stem", "the flowers", "the fruit" ]
B
aqua_train
aqua_train_86995
Find the cost of fencing around a circular field of diameter 16 m at the rate of Rs.3 a meter?
[ "A)150.84", "B)160.6", "C)150.45", "D)160.99", "E)180.4" ]
A
aqua_train
aqua_train_70338
The maitre 'd at an expensive Manhattan restaurant has noticed that 60% of the couples order dessert and coffee. However, 20% of the couples who order dessert don't order coffee. What is the probability R that the next couple the maitre 'd seats will not order dessert?
[ "A) 20%", "B) 25%", "C) 40%", "D) 60%", "E) 75%" ]
B
sciq
sciq_4
What are ocean waves mainly caused by?
[ "tides", "gravity", "humidity", "wind" ]
D
aqua_train
aqua_train_59455
How many integers between 300 and 1000 are there such that their unit digit is odd?
[ "A)200", "B)250", "C)350", "D)400", "E)450" ]
C
science_train
science_train_2378
Question: Which solution has a higher concentration of purple particles? Hints:
[ "Solution B", "neither; their concentrations are the same", "Solution A" ]
A
aqua_train
aqua_train_45961
In how many different ways can the letters of the word 'DETAIL' be arranged such that the vowels must occupy only the odd positions?
[ "A)None of these", "B)64", "C)120", "D)36", "E)22" ]
D
sciq
sciq_4
Mass multiplied by velocity equals what force?
[ "kinetic energy", "bounce", "inertia", "momentum" ]
D
aqua_train
aqua_train_51293
A father said his son , " I was as old as you are at present at the time of your birth. " If the father age is 38 now, the son age 5 years back was :
[ "A)14", "B)19", "C)33", "D)38", "E)56" ]
A
aqua_train
aqua_train_19321
There is a sequence such that each term is positive integer and each digit of the terms in the sequence has 3 to be ordered, what is the value K of 100th term?
[ "A)126", "B)192", "C)232", "D)252", "E)342" ]
E
aqua_train
aqua_train_74418
Find large number from below question The difference of two numbers is 1365. On dividing the larger number by the smaller, we get 6 as quotient and the 15 as remainder
[ "A)1234", "B)1345", "C)1450", "D)1550", "E)1635" ]
E
aqua_train
aqua_train_1659
For which of the following does y(a)−y(b)=y(a−b) for all values of a and b?
[ "A)y(x)=x^2", "B)y(x)=x/2", "C)y(x)=x+5", "D)y(x)=2x−1", "E)y(x)=|x|" ]
B
aqua_train
aqua_train_20815
A car travels first half distance between two places with a speed of 40 kmph and the rest half distance with a speed of 60 kmph. The average speed of the car is
[ "A)48 kmph", "B)37 kmph", "C)44 kmph", "D)45 kmph", "E)None of these" ]
A
aqua_train
aqua_train_29129
A broker invested her own money in the stock market. During the first year, she increased her stock market wealth by 50 percent. In the second year, largely as a result of a slump in the stock market, she suffered a 30 percent decrease in the value of her stock investments. What was the net increase or decrease on her ...
[ "A)−5%", "B)5%", "C)15%", "D)20%", "E)80%" ]
B
sciq
sciq_4
What kind of ions are named by adding the suffix -ide to the end?
[ "similar ions", "particular ions", "positive ions", "negative ions" ]
D
aqua_train
aqua_train_8306
The 8 spokes of a custom circular bicycle wheel radiate from the central axle of the wheel and are arranged such that the sectors formed by adjacent spokes all have different central angles, which constitute an arithmetic series of numbers (that is, the difference between any angle and the next largest angle is constan...
[ "A)7/60", "B)9/80", "C)11/120", "D)13/240", "E)17/360" ]
E
aqua_train
aqua_train_77299
Look at this series: 1,4,9,16,... What number should come next?
[ "A)18", "B)27", "C)30", "D)25", "E)24" ]
D
aqua_train
aqua_train_86900
What ratio must a shopkeeper mix Peas and Soybean of Rs.16 and Rs. 25/kg, As to obtain a mixture of Rs.19 ?
[ "A)10 : 7", "B)9 : 8", "C)2 : 1", "D)13 : 11", "E)14 : 8" ]
C
aqua_train
aqua_train_47173
The average of first five multiples of 3 is :
[ "A)3", "B)9", "C)12", "D)15", "E)17" ]
B
aqua_train
aqua_train_31980
In how many ways can 7 different objects be dived among 3 persons so that either one or two of them do not get any object?
[ "A)381", "B)180", "C)36", "D)84", "E)94" ]
A
science_train
science_train_5359
Question: Which metal paper clip has more thermal energy? Hints:
[ "the hotter metal paper clip", "the colder metal paper clip" ]
A
aqua_train
aqua_train_35446
In a certain game, you perform three tasks. You flip a quarter, and success would be heads. You roll a single die, and success would be a six. You pick a card from a full playing-card deck, and success would be picking a diamond card. If any of these task are successful, then you win the game. What is the probability o...
[ "A)1/48", "B)5/16", "C)11/12", "D)11/18", "E)11/16" ]
E
aqua_train
aqua_train_18081
I. x2 + 3x - 18 = 0, II. y2 + y - 30 = 0 to solve both the equations to find the values of x and y?
[ "A)If x < y", "B)If x > y", "C)If x ≤ y", "D)If x ≥ y", "E)If x = y or the relationship between x and y cannot be established." ]
E
aqua_train
aqua_train_16929
What percent of 120 are 90?
[ "A)12", "B)33", "C)75", "D)88", "E)11" ]
C
aqua_train
aqua_train_8402
A father said to his son, "I was as old as you are at the present at the time of your birth". If the father's age is 42 years now, the son's age 4 years back was:
[ "A)12 years.", "B)14 years.", "C)17 years.", "D)16 years.", "E)19 years." ]
C
aqua_train
aqua_train_87681
Which of the following numbers is divisible by 12?
[ "A)1332", "B)1021", "C)3221", "D)4211", "E)3233" ]
A
aqua_train
aqua_train_82058
A certain list of 300 test scores has an arithmetic mean of 70 and a standard deviation of d, where d is positive. Which of the following two test scores, when added to the list, must result in a list of 302 test scores with a standard deviation less than d?
[ "A) 70 and 70", "B) 80 and 85", "C) 70 and 75", "D) 75 and 75", "E) 70 and 80" ]
A
aqua_train
aqua_train_83033
Working alone at their respective constant rates, A can complete a task in ‘a’ days and B in ‘b’ days. They take turns in doing the task with each working 2 days at a time. If A starts they finish the task in exactly 12 days. If B starts, they take half a day more. How long does it take to complete the task if they bot...
[ "A)4", "B)4.5", "C)6", "D)8", "E)6.5" ]
C
aqua_train
aqua_train_92930
How many 5 digit number can be formed out of digits 0,2,4,6,8 that is divisible by 8.
[ "A)26", "B)30", "C)38", "D)98", "E)85" ]
B
aqua_train
aqua_train_21263
What is the Mode of the following data set A- {1,2,4,6,4,9,4,10}
[ "A)1", "B)10", "C)6", "D)4", "E)9" ]
D
aqua_train
aqua_train_9159
The ratio between the speeds of two trains is 8: 9. If the second train runs 270 kms in 3 hours, then the speed of the first train is ?
[ "A)85 km/hr", "B)835 km/hr", "C)80 km/hr", "D)82 km/hr", "E)None of these" ]
C
aqua_train
aqua_train_69471
A boat can move upstream at 40 kmph and downstream at 56 kmph, then the speed of the current is?
[ "A)5", "B)6", "C)8", "D)4", "E)2" ]
C
aqua_train
aqua_train_80898
If q and y are different prime numbers less than ten, what must be true about the sum of q 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_18484
The ratio of two numbers is 4 : 5 and their H.C.F. is 4. Their L.C.M. is
[ "A)48", "B)22", "C)80", "D)27", "E)35" ]
C
aqua_train
aqua_train_4362
Company X provides bottled water to its employees in 10 liter bottles, $2 each. At least how many 10L bottles must Company X buy monthly, so that new contract with $50 fixed monthly rate and $1 for 50L bottle each paid off? (Assume that no other costs apply)
[ "A) 28", "B) 29", "C) 30", "D) 31", "E) 32" ]
A
aqua_train
aqua_train_54987
Four barrels of water have an average capacity of 8 gallons. What is the maximum possible capacity of the smallest barrel E if the median is 10 gallons?
[ "A)1", "B)2", "C)3", "D)4", "E)5" ]
B
aqua_train
aqua_train_9801
here are 6 periods in each working day of a school. In how many ways can one organize 5 subjects such that each subject is allowed at least one period?
[ "A)2100", "B)1800", "C)1245", "D)3210", "E)4521" ]
B
aqua_train
aqua_train_61703
Mixture of milk & water has been kept in two separate bowl. Ratio of milk to water in one of the bowls is 5 : 1 and that in the other bowl 7 : 2. In what ratio the mixtures of these 2 bowl should be added together so that the quantity of milk in the new mixture may become 80%?
[ "A)2:3", "B)3:5", "C)4:5", "D)5:7", "E)6:11" ]
A
aqua_train
aqua_train_52287
Ratio between Rahul and Deepak is 4:3, After 6 Years Rahul age will be 30 years. What is Deepak present age?
[ "A)18", "B)15", "C)77", "D)266", "E)182" ]
A
sciq
sciq_4
Which are the closest living relations to land plants?
[ "mammals", "arthropods", "sporozoans", "charophytes" ]
D
aqua_train
aqua_train_72798
A shopkeeper sells three items P, Q and R and incurs a loss of 21, 11 and 10respectively. The overall loss percentage on selling P and Q items is 14.33 and that of Qand R items is 10.4. Find the overall loss percentage on selling the three items?
[ "A)15%", "B)12.16%", "C)13.4%", "D)20.2%", "E)None of these" ]
B
aqua_train
aqua_train_20345
Susan, John, Tim, Matt and Kim need to be seated in 5 identical chairs in straight line so that Susan is seated always left to Tim. How many such arrangements are possible ?
[ "A)A)60", "B)B)120", "C)C)80", "D)D)240", "E)E)60" ]
A
sciq
sciq_4
The air bubbles resulting from cavitation expand and block water channels of the what?
[ "heart", "respiration", "ectoderm", "xylem" ]
D
aqua_train
aqua_train_51431
If a natural number p has 8 factors, then which of the following cannot be the difference between the number of factors of p^3 and p?
[ "A)14", "B)30", "C)32", "D)56", "E)None of these" ]
B
aqua_train
aqua_train_2913
For what value of x between − 5 and 5, inclusive, is the value of x^2 − 10x + 16 the greatest?
[ "A)− 5", "B)− 2", "C)0", "D)2", "E)4" ]
A
aqua_train
aqua_train_61668
The average marks of a class of 25 students is 50 and that of another class of 40 students is 65. Find the average marks of all the students?
[ "A)52.6", "B)52.4", "C)52.1", "D)59", "E)52.9" ]
D
sciq
sciq_4
Herbivores and omnivores have longer alimentary canals compared to what?
[ "arthropods", "mammals", "centipedes", "carnivores" ]
D
aqua_train
aqua_train_16770
A train leaves Mumabai at 9 am at a speed of 40 kmph. After one hour, another train leaves Mumbai in the same direction as that of the first train at a speed of 50 kmph. When and at what distance from Mumbai do the two trains meet?
[ "A)287", "B)279", "C)200", "D)278", "E)379" ]
C
aqua_train
aqua_train_18103
The average age of A, B and C is 29 years. If the average age of A and C is 32 years, what is the age of B in years ?
[ "A)19", "B)35", "C)20", "D)32", "E)23" ]
E
aqua_train
aqua_train_89300
A dishonest dealer professes to sell goods at the cost price but uses a weight of 600 grams per kg, what is his percent?
[ "A)11", "B)25", "C)66", "D)88", "E)11" ]
C
aqua_train
aqua_train_48979
In an office, totally there are 2200 employees and 40% of the total employees are males. 30% of the males in the office are at-least 50 years old. Find the number of males aged below 50 years?
[ "A)661", "B)600", "C)620", "D)616", "E)None of these" ]
D
aqua_train
aqua_train_63226
In how many ways can 8 Indians and, 4 American and 4 Englishmen can be seated in a row so that all person of the same nationality sit together?
[ "A)3! 4! 8! 4!", "B)3! 8!", "C)4! 4!", "D)8! 4! 4!", "E)None" ]
A
aqua_train
aqua_train_83418
The ratio of the volumes of two cubes is 729 : 1331. What is the ratio of their total surface areas?
[ "A)81:121", "B)81:126", "C)81:189", "D)81:176", "E)81:117" ]
A
sciq
sciq_4
Where are most chloroplasts found in plants?
[ "roots", "stems", "flowers", "leaves" ]
D
aqua_train
aqua_train_42608
If the length of the sides of two cubes are in the ratio 6:1, what is the ratio of their total surface area?
[ "A)6:1", "B)12:1", "C)24:1", "D)36:1", "E)72:1" ]
D
ds_train
ds_train_1246
Consider the G\u00f6del numbering in formal arithmetic, where each symbol in a formal language is assigned a unique natural number called its \"G\u00f6del number.\" Suppose we apply a G\u00f6del operation to encode a sequence of symbols (s_1, s_2, ..., s_k) into a single natural number using their respective G\u00f6del...
[ "A. \\(\\prod_{i=1}^{k} p_i^{n_i}\\)\nB. \\(\\sum_{i=1}^{k} n_i\\)\nC. \\(\\prod_{i=1}^{k} n_i\\)\nD. \\(2^{n_1} + 3^{n_2} + \\cdots + p_k^{n_k}\\)" ]
A
aqua_train
aqua_train_2964
From the given equation find the value of x: x² − 3x + 2
[ "A)1", "B)3", "C)2", "D)5", "E)6" ]
C
aqua_train
aqua_train_22064
Twenty eight years ago,a father was three times as old as his son.Now the father is only twice as old as his son. Then the sum of the present ages of the son and the father is :
[ "A)120", "B)176", "C)168", "D)105", "E)86" ]
C
aqua_train
aqua_train_57206
How many digits are there in the integer 8^7 × 25^12?
[ "A)27", "B)24", "C)21", "D)19", "E)15" ]
B
aqua_train
aqua_train_33606
Ravi can do a piece of work in 20 days while Prakash can do it in 40 days. In how many days will they finish it together?
[ "A)5 7/9 days", "B)6 7/9 days", "C)5 1/9 days", "D)5 7/2 days", "E)4 7/9 days" ]
A
aqua_train
aqua_train_87289
A table is bought for Rs.400/- and sold at Rs.300/- find gain or loss percentage
[ "A)25%loss", "B)30%gain", "C)25%gain", "D)10%loss", "E)50% loss" ]
A
aqua_train
aqua_train_6631
A Card marked 1 and 2 on its two faces. Two colors, white and black are used to paint the two faces of the card. If the card is painted with the different colors, in how many ways can the card be painted?
[ "A)3", "B)6", "C)2", "D)12", "E)27" ]
C
aqua_train
aqua_train_23548
The distance light travels in one year is approximately 5,870,000,000,000 miles. The distance light travels in 100 years is:
[ "A)587 × 108 miles", "B)587 × 1010 miles", "C)587 × 10-10 miles", "D)587 × 1012 miles", "E)587 × 10-12 miles" ]
D
aqua_train
aqua_train_95403
The average runs of a cricket player of 15 innings was 25. How many runs must he make in his next innings so as to increase his average of runs by 6?
[ "A)121", "B)421", "C)143", "D)176", "E)84" ]
A
aqua_train
aqua_train_84480
Find large number from below question The difference of two numbers is 1365. On dividing the larger number by the smaller, we get 8 as quotient and the 15 as remainder
[ "A)1235", "B)1557.9", "C)1378", "D)1635", "E)1489" ]
B
aqua_train
aqua_train_35159
The difference between two angles of a triangle is 24o. The average of the same two angles is 54o. Which one of the following is the value of the greatest angle of the triangle
[ "A)45o", "B)45o", "C)66o", "D)72 degree", "E)None of these" ]
D
aqua_train
aqua_train_16144
What is the smallest integer n for which 25^n > 5^12 ?
[ "A) 6", "B) 7", "C) 8", "D) 9", "E) 10" ]
B
aqua_train
aqua_train_7975
If each edge of cube increased by 20%, the percentage increase in
[ "A)42", "B)44", "C)48", "D)45", "E)47" ]
B
aqua_train
aqua_train_4181
What is the product of the greatest 2 digit multiple of 15 and the greatest 2 digit prime number?
[ "A)9,312", "B)9,408", "C)9,506", "D)9,603", "E)8730" ]
E
ds_train
ds_train_214
According to Landauer's principle, which of the following statements accurately describes the relationship between information processing and energy dissipation?
[ "A. Any logical operation can be performed without any energy dissipation.\nB. Every bit of information lost to the environment results in a minimum amount of energy dissipation.\nC. Information can be destroyed without any energy cost.\nD. Energy dissipation is irrelevant to information processing." ]
B
aqua_train
aqua_train_51079
If a: b = 19: 3, b: c = 17: 13, find a: b: c?
[ "A)323: 51: 39", "B)333: 61: 49", "C)343: 71: 59", "D)353: 81: 69", "E)363: 91: 79" ]
A
aqua_train
aqua_train_30706
Mahesh marks an article 15% above the cost price of Rs. 540. What must be his discount percentage if he sells it at Rs. 456?
[ "A)18%", "B)26.57%", "C)20%", "D)19%", "E)None of these" ]
B
aqua_train
aqua_train_43735
Which of the following numbers is divisible by each one of 3, 7, 9 and 11 ?
[ "A)2079", "B)456", "C)974", "D)562", "E)300" ]
A
aqua_train
aqua_train_81485
A certain sum earns simple interest of Rs. 800 in 2 years at a certain rate of interest. If the same sum earns compound interest of Rs. 845 in the same period of 2 years, What must be the rate of interest?
[ "A)5% p.a.", "B)7.5% p.a.", "C)10% p.a.", "D)12.5% p.a.", "E)None of these" ]
C
aqua_train
aqua_train_83536
If you select two cards from a pile of cards numbered 1 to 10, what is the probability that the sum of the numbers is less than 5?
[ "A)1/45", "B)2/45", "C)2/15", "D)4/15", "E)1/5" ]
B
aqua_train
aqua_train_7541
A man goes from A to B at a speed of 21 kmph and comes back to A at a speed of 21 kmph. Find his average speed for the entire journey?
[ "A)23.3 kmph", "B)25.3 kmph", "C)22.5 kmph", "D)22.3 kmph", "E)22.9 kmph" ]
D
aqua_train
aqua_train_77262
The value of a 10.5% stock, in which an income of Rs.756 is derived by investing Rs.9000, brokerage being% is :
[ "A)Rs. 113.5", "B)Rs. 120", "C)Rs. 124.75", "D)Rs. 137.5", "E)Rs. 145.8" ]
C
aqua_train
aqua_train_34068
An investment of $100 was made in a certain account and earned interest that was compounded annually. The annual interest rate was fixed for the duration of the investment, and after 12 years the $100 increased to $400 by earning interest. In how many years after the initial investment was made the $1000 have increased...
[ "A)16", "B)20", "C)18", "D)24", "E)30" ]
C
aqua_train
aqua_train_33476
The New York Classical Group is designing the liner notes for an upcoming CD release. There are 10 soloists featured on the album, but the liner notes are only 5 pages long, and therefore only have room for 5 of the soloists. The soloists are fighting over which of them will appear in the liner notes, though not about ...
[ "A)5!", "B)10!/(5!5!)", "C)10!/5!", "D)10!", "E)10!*5!" ]
B
aqua_train
aqua_train_35768
In a Quiz the points in each round for the first,second,third and fourth position were 100,50,20,10 . No other points were given. Rachel participated in several rounds in the competition and the product of her score was 10000. In How many rounds did she participate?
[ "A)2", "B)Cannot be determined", "C)4", "D)6", "E)10" ]
B
aqua_train
aqua_train_61944
The number of number - pairs lying between 40 and 100 with their H.C.F. as 15 is :
[ "A)3", "B)4", "C)5", "D)6", "E)7" ]
B
aqua_train
aqua_train_35346
What are the number of ways to select 3 men and 2 women such that one man and one woman are always selected?
[ "A)30 ways", "B)40 ways.", "C)50 ways.", "D)60 ways.", "E)70 ways." ]
A
aqua_train
aqua_train_82782
In a hostel there were 100 students. To accommodate 40 more students the average is decreased by rupees 10. But total expenditure decreased by Rs.400. Find the total expenditure of the hostel now?
[ "A)1400", "B)2500", "C)3000", "D)1500", "E)2100" ]
E
aqua_train
aqua_train_22190
Two stations P and Q are 65 km apart on a straight track. One train starts from P at 7 a.m. and travels towards Q at 20 kmph. Another train starts from Q at 8 a.m. and travels towards P at a speed of 25 kmph. At what time will they meet?
[ "A)9 am", "B)12 am", "C)10.30 am", "D)12.30 am", "E)11 am" ]
A
aqua_train
aqua_train_11860
It costs $5 for the first 1/3 hour to use the laundry machine at the Laundromat. After the first ¼ hour it costs $12 per hour. If a certain customer uses the laundry machine for 2 hours and 30 minutes, how much will it cost him?
[ "A)$27.", "B)$29.", "C)$31.", "D)$33.", "E)$35." ]
C
aqua_train
aqua_train_46144
The entrance ticket at the Imax theatre in Chennai is worth Rs 250. The sale of tickets increased by 50% when the price of the ticket was lowered. However, the collections recorded a decrease of 17.5%. The price of the ticket is reduced by how much rupees?
[ "A)Rs150", "B)Rs112.50", "C)Rs105", "D)Rs120", "E)Rs180" ]
B
aqua_train
aqua_train_39793
A goods train runs at the speed of 72 km/hr and crosses a 250 m long platform in 26 sec. What is the length of the goods train?
[ "A)230", "B)240", "C)250", "D)270", "E)280" ]
D
aqua_train
aqua_train_73719
A sports retailer ordered white and yellow tennis balls in equal number but the dispatch clerk of the tennis ball company erred and dispatched 70 extra yellow balls and making ratio of white balls to yellow balls 8/13. How many tennis balls did the retailer order originally.
[ "A)180", "B)130", "C)140", "D)160", "E)224" ]
E
aqua_train
aqua_train_97349
Insert the missing number. 2, 6, 12, 20, 30, 42, (....)
[ "A)56", "B)38", "C)72", "D)66", "E)19" ]
A
aqua_train
aqua_train_23160
Two trains of equal lengths take 10 sec and 15 sec respectively to cross a telegraph post. If the length of each train be 160 m, in what time will they cross other travelling in opposite direction?
[ "A)17 sec", "B)12 sec", "C)16 sec", "D)15 sec", "E)18 sec" ]
C