id
string
question
string
choices
list
answer_key
string
source
string
0909f1b2-9eb6-44c2-b3d0-c93d579ebbe3
Evaluate : 28% of 400 + 45 % of 250
[ "A)220.3", "B)224.5", "C)190.3", "D)150", "E)None of these" ]
B)224.5
aqua_rat
295297ec-11dd-4334-86ec-8496fa5ab081
Each factor of 210 is inscribed on its own plastic ball, and all of the balls are placed in a jar. If a ball is randomly selected from the jar, what is the probability that the ball is inscribed with a multiple of 45?
[ "A)1/16", "B)5/42", "C)1/8", "D)3/16", "E)1/4" ]
B)5/42
aqua_rat
0f1f5ef3-b684-49c1-b217-db8af6c2a983
At Jefferson Elementary School, the number of teachers and students (kindergarten through sixth grade) totals 510. The ratio of students to teachers is 16 to 1. Kindergarten students make up 1/6 of the student population and fifth and sixth graders account for 1/3 of the remainder. Students in first and second grades a...
[ "A)12 greater", "B)12 fewer", "C)28 fewer", "D)36 fewer", "E)44 fewer" ]
B)12 fewer
aqua_rat
e8adbfbd-d91a-4d66-ae53-b1b9bd25c6e9
If x-y=8, which of the following must be true? I. If x is negative, y must be negative II. If x is positive, y must be positive III.Both x and y are positive
[ "A)I only", "B)II only", "C)III only", "D)I and II", "E)II and III" ]
A)I only
aqua_rat
aac359b0-938b-4adb-aaab-23fe223f8c01
Runner A passed a post running at a constant speed of 50 miles per hour. Then, 15 minutes later, Runner B passed the same post at a constant speed of 60 miles per hour. If both runners maintained their speeds and both remained on the highway for at least 2 hours, how long after Runner B passed the gas station did he ca...
[ "A)30 min", "B)45 min", "C)1 hr", "D)1 hr 15 min", "E)1 hr 30 min" ]
D)1 hr 15 min
aqua_rat
c72db225-9f21-491f-a8f4-467ff7f5b535
At a certain diner, Joe ordered 3 doughnuts and a cup of coffee and was charged $ 2.25. Stella ordered 2 doughnuts and a cup of coffee and was charged $ 1.70. What is the price of 2 doughnuts?
[ "A)$ 0.55", "B)$ 1.00", "C)$ 1.10", "D)$ 1.30", "E)$ 1.80" ]
C)$ 1.10
aqua_rat
169beffb-1c1d-400d-9aed-1bac5872283e
Tough and Tricky questions: Decimals. The value of x is derived by summing a, b, and c and then rounding the result to the tenths place. The value of y is derived by first rounding a, b, and c to the tenths place and then summing the resulting values. If a = 5.45, b = 2.95, and c = 3.75, what is y – x?
[ "A)-0.1", "B)0", "C)0.2", "D)0.1", "E)0.3" ]
C)0.2
aqua_rat
07873931-c513-4b57-8e80-4e5819b097ad
In track last week, the boys ran 34 laps. The girls ran 20 more laps. Each lap is a 1/6th of a mile. How many miles did the girls run?
[ "A)9 miles", "B)10 miles", "C)11 miles", "D)12 miles", "E)13 miles" ]
A)9 miles
aqua_rat
9f6bfa64-bd50-4914-83fd-61fb5ad684bb
A family with 1 mother, 1 father, and 2 children sit in a car with 2 front seats and 3 back seats. If the mother drives with a child in the front, and the father sits in the back center seat with the other two children on either side of him, how many seating arrangements are possible?
[ "A) 2", "B) 4", "C) 6", "D) 8", "E) 10" ]
A) 2
aqua_rat
363c8376-db94-495e-b36b-e71f84b1d8d5
A and B invests Rs.3000 and Rs.10000 respectively in a business. If A doubles his capital after 6 months. In what ratio should A and B divide that year's profit?
[ "A)9:6", "B)9:8", "C)9:20", "D)9:9", "E)9:5" ]
C)9:20
aqua_rat
bf91e337-7009-4d8a-a2dc-52579697b6a1
Which of the following fractions T has a decimal equivalent that is a terminating decimal?
[ "A)10/189", "B)15/196", "C)16/225", "D)25/144", "E)39/128" ]
E)39/128
aqua_rat
4d4ceca5-7a48-4804-9de6-00b1e321c494
In a simultaneous throw of a pair of dice, find the probability of getting a total more than 5
[ "A)1/2", "B)7/12", "C)5/13", "D)5/12", "E)3/8" ]
E)3/8
aqua_rat
4cb288bb-a08b-4969-9672-b8a0a9b89fbf
Three 6 faced dice are thrown together. The probability that exactly two dice show the same number on them is
[ "A)5/17", "B)5/12", "C)5/19", "D)5/29", "E)5/13" ]
B)5/12
aqua_rat
ec55e449-0d0c-44a1-bc1a-b5e65db83dec
In how many ways 3 boys and 3 girls can be seated in a row so that boys and girls are alternate?
[ "A)69", "B)70", "C)71", "D)72", "E)73" ]
D)72
aqua_rat
ddfdb942-d60d-4d3b-82bd-8f9dd66dd6f0
If Rs. 510 be divided among A, B, C in such a way that A gets 2/3 of what B gets and B gets 1/4 of what C gets, then their shares are respectively:
[ "A)Rs.260", "B)Rs.360", "C)Rs.350", "D)Rs.364", "E)Rs.362" ]
B)Rs.360
aqua_rat
9bcd0e6b-454a-4ade-8f80-c9168c10f3cc
How many different ways can 2 students be seated in a row of 4 desks, so that there is always at least one empty desk between the students?
[ "A)2", "B)3", "C)4", "D)6", "E)12" ]
D)6
aqua_rat
092f600a-9d8d-4158-9e8e-a863f74bb5f6
A women in her conversation said " if u reverse my own age, in figures represent my husbands age. he is of course senior to me and difference between our age is one 0ne-eleventh of their sum. what is the woman's and her husbands age?
[ "A)45,54", "B)46,57", "C)84,57", "D)34,58", "E)52,54" ]
A)45,54
aqua_rat
905d5ec1-2aef-4e7e-947e-70e0b2aa9033
A train crosses a platform of 150 m in 15 sec, same train crosses another platform of length 250 m in 20 sec. then find the length of the train?
[ "A)150", "B)88", "C)77", "D)62", "E)52" ]
A)150
aqua_rat
569d01bf-afa7-4288-96a1-f8192da71f75
A certain barrel, which is a right circular cylinder, is filled to capacity with 200 gallons of oil. The first barrel is poured into a second barrel, also a right circular cylinder, which is empty. The second barrel is twice as tall as the first barrel and has twice the diameter of the first barrel. If all of the oil i...
[ "A)There is no empty capacity", "B)1100 gallons", "C)1300 gallons", "D)1400 gallons", "E)1800 gallons" ]
D)1400 gallons
aqua_rat
0f4f0c0a-1922-4425-b5e5-6c22bcbf6310
Gautami went to the stationers and bought things worth Rs. 100, out of which 50 paise went on sales tax on taxable purchases. If the tax rate was 5%. then what was the cost of the tax free items?
[ "A)Rs. 99.50", "B)Rs. 70.50", "C)Rs. 89.50", "D)Rs. 69.50", "E)Rs. 80.50" ]
C)Rs. 89.50
aqua_rat
371252db-8369-4169-ab36-e9c74f7331f3
When a student Joe, weighing 40 kg, joins a group of students whose average weight is 30 kg, the average weight goes up by 1 kg. Subsequently, if two students, excluding Joe, leave the group the average weight comes back to 30 kg. What is the difference between the average weight of the two students who left and the we...
[ "A)5 kg", "B)11 kg", "C)30 kg", "D)36.5 kg", "E)71 kg" ]
A)5 kg
aqua_rat
0660ae89-2499-4f36-86dc-979e9e70b8aa
Three men A, B and C working together can do a work in 17 days. They start the work together and A works for 5 days and takes rest on the sixth day, B works for 5 days and takes rest on the next two days and C works for 8 days and takes rest on the next three days. In how many days will the work be completed ? (A, B, C...
[ "A)24 days", "B)23 days", "C)22 days", "D)21 days", "E)20 days" ]
C)22 days
aqua_rat
228bfb00-3efc-4fae-8b40-defd9750fba2
A double decked bus can accomodate 100 passengers,40 in the upper deck and 60 in the lower deck.In how many ways can the passengers be accomodated if 15 refuse to be in the upper deck while 10 others refuse to be in the lower deck?
[ "A)1. 85!50!60!/40!45!", "B)2. 75!/30!45!", "C)3. 110!/50!60!", "D)4. 110!50!60!/40!45!", "E)5. 110!/40!45!" ]
B)2. 75!/30!45!
aqua_rat
31d5b2e2-4a54-48fc-a337-2e23cd2696e9
In a certain supermarket, a triangular display of cans is arranged in 9 rows, numbered 1 through 9 from top to bottom. Each successively numbered row contains 3 more cans than the row immediately above it. If there are fewer than 120 cans in the entire display, how many cans are in the six row?
[ "A)12", "B)14", "C)16", "D)18", "E)20" ]
C)16
aqua_rat
f58fc3a2-1518-4315-aa89-b8b9c3e8c185
If the height of a cone is increased by 100% then its volume is increased by?
[ "A)200%", "B)300%", "C)100%", "D)500%", "E)350%" ]
C)100%
aqua_rat
a044dd40-85bf-4e36-b049-4dbc5259e476
A number is doubled and 5 is added. If the resultant is trebled, it becomes 135. What is that number?
[ "A)12", "B)29", "C)20", "D)15", "E)99" ]
C)20
aqua_rat
812c15bc-29c4-4926-80ce-2c50fd41a04c
If M = s% of t and N = t% of s, then which of the following is true?
[ "A)M is equal to N", "B)M is smaller than N", "C)M is greater than N", "D)none of these", "E)Cannot be determined" ]
A)M is equal to N
aqua_rat
e6f012ab-d78d-40ae-8179-3e1ed9079d09
The area of a parallelogram is 128sq m and its altitude is twice the corresponding base. Then the length of the base is?
[ "A)8", "B)7", "C)6", "D)5", "E)2" ]
A)8
aqua_rat
614f96ee-c5b6-4581-a5ea-ed878ed06309
Distance between 2 places A and B is given. A man P starts from place A at 9 pm and another man Q goes from B at 10pm . Speed of Q is double of that of P. Both cover 1/4 dist in the same time interval. then A travels the entire dist in time
[ "A)8hrs", "B)9hrs", "C)10hrs", "D)11hrs", "E)12hrs" ]
A)8hrs
aqua_rat
f96c04b9-272e-4a98-a357-4d2bcfb31ffd
The ratio of the length and the breadth of a rectangle is 4 : 3 and the area of the rectangle is 6912 sq cm. Find the ratio of the breadth and the area of the rectangle?
[ "A)1:96", "B)1:99", "C)1:95", "D)1:12", "E)1:11" ]
A)1:96
aqua_rat
8b49fa64-c922-42bd-bb97-30585fea6a07
In the game of Dubblefud, red chips, blue chips and green chips are each worth 1,2 and 5 points respectively. In a certain selection of chips, the product of the point values of the chips is 15, 000. If the number of blue chips in this selection equals the number of green chips, how many red chips are in the selection?
[ "A)10", "B)20", "C)30", "D)40", "E)50" ]
C)30
aqua_rat
73656503-1619-4465-b7cb-2d52eabfc680
Zinc and copper are melted together in the ratio 9 : 11. What is the weight of melted mixture, if 28.8 kg of zinc has been consumed in it?
[ "A)58 kg", "B)60 kg", "C)64 kg", "D)70 kg", "E)None" ]
C)64 kg
aqua_rat
3b361fcf-427a-4d8d-97c8-2a3877a7f021
If x+y=10, x-y=18, for integers of x and y, x=?
[ "A)14", "B)15", "C)25", "D)13", "E)42" ]
A)14
aqua_rat
12d630f7-41ba-4f47-b8f4-8734824296cd
(1^2+2^2+3^2+.....+7^2)=?
[ "A)330", "B)345", "C)365", "D)140", "E)None of them" ]
D)140
aqua_rat
3a8a6d74-6942-46c1-970f-d9ecb1706b7d
What is the area of an equilateral triangle whose one side length is 50?
[ "A)225√3", "B)325√3", "C)425√3", "D)525√3", "E)625√3" ]
E)625√3
aqua_rat
15eb0609-88f3-4e27-95f8-5258a0bd4e02
Two thirds of the roads from A to B are at least 5 miles long, and 3/4 of the roads from B to C are at least 5 miles long. If you randomly pick a road from A to B and then randomly pick a road from B to C, what is the probability that at least one of the roads you pick is at least 5 miles long?
[ "A)1/6", "B)1/4", "C)2/3", "D)3/4", "E)11/12" ]
E)11/12
aqua_rat
1fcb1251-53a8-4cdf-8233-2c0f3ad48a0a
If a - b = 3 and a2 + b2 = 29, find the value of ab?
[ "A)10", "B)12", "C)14", "D)17", "E)18" ]
A)10
aqua_rat
eb417dc4-f876-4032-95df-df0bbcc69ece
5 men are equal to as many women as are equal to 8 boys. All of them earn Rs.210 only. Men’s wages are?
[ "A)6Rs", "B)2Rs", "C)4Rs", "D)9Rs", "E)14Rs" ]
E)14Rs
aqua_rat
4735a121-5ac3-419d-aab0-87a48ad264ef
a man can row 20 kmph in still water.it takes him thrice as long to row up as to row down the river.find the rate of stream
[ "A)13 km/hr.", "B)6 km/hr.", "C)9 km/hr.", "D)15 km/hr.", "E)10 km/hr." ]
E)10 km/hr.
aqua_rat
53f34551-e710-4ad4-8efe-43f2cb0869c4
A welder received an order to make a 1 million liter cube-shaped tank. If he has only 4x2 meter sheets of metal that can be cut, how many metal sheets will be required for this order R? (1 cubic meter = 1,000 liters)
[ "A)92", "B)90", "C)82", "D)78", "E)75" ]
E)75
aqua_rat
f55914b5-980c-47dc-b407-38f008b12061
An empty fuel tank with a capacity of 200 gallons was filled partially with fuel A and then to capacity with fuel B. Fuel A contains 12% ethanol by volume and fuel B contains 16% ethanol by volume. If the full fuel tank contains 22 gallons of ethanol, how many gallons of fuel A were added?
[ "A)160", "B)150", "C)250", "D)80", "E)50" ]
C)250
aqua_rat
c1abac31-beac-4243-8a17-445e28637e51
A certain team has 16 members, including Joey. A three-member relay team will be selected as follows: one of the 16 members is to be chosen at random to run first, one of the remaining 15 members is to be chosen at random to run second, and one of the remaining 14 members is to be chosen at random to run third. What is...
[ "A)1/4", "B)2/5", "C)1/6", "D)2/7", "E)1/8" ]
E)1/8
aqua_rat
5c9de285-859c-4699-a985-55299d2a9a67
There are some pigeons and hares in a zoo. If heads are counted, there are 200. If legs are counted, there are 780. The number of hares in the zoo is?
[ "A)190", "B)199", "C)77", "D)66", "E)221" ]
A)190
aqua_rat
b0be2092-75d5-4ed7-8822-bc1f6652a9c1
How many paying stones, each measuring 2 1/2 m * 2 m are required to pave a rectangular court yard 30 m long and 16 1/2 m board?
[ "A)90", "B)99", "C)97", "D)95", "E)65" ]
B)99
aqua_rat
6ddba54d-495b-43fd-a249-edc224796881
A boy has five trousers and 15 shirts. In how many different ways can he select a trouser and a shirt?
[ "A)75 ways", "B)87 ways", "C)66 ways", "D)108 ways", "E)21 ways" ]
A)75 ways
aqua_rat
1436d37d-2e09-4f40-846c-b244d328efcd
Three candidates contested an election and received 1000, 2000 and 4000votes respectively. What percentage of the total votes did the winning candidate got?
[ "A)30%", "B)50%", "C)57%", "D)62%", "E)75%" ]
C)57%
aqua_rat
afa7ee8c-d75c-4c38-ba9f-c707c5031e58
A, B, K start from the same place and travel in the same direction at speeds of 30 km/hr, 40 km/hr, 120 km/hr respectively. B starts two hours after A. If B and K overtake A at the same instant, how many hours after A did K start?
[ "A)3", "B)4", "C)6", "D)8", "E)10" ]
C)6
aqua_rat
5477fc49-d49f-4da2-bd4d-bd5713fb53f1
How many positive integers less than 27 are prime numbers, odd multiples of 5, or the sum of a positive multiple of 2 and a positive multiple of 4?
[ "A)27", "B)25", "C)24", "D)20", "E)22" ]
E)22
aqua_rat
20477a6a-3796-4145-bfd5-9c600db74e6b
Including Cara and Dan, there are five members on the board of directors for a company. If the board is to be split up into a three-person subcommittee, what fraction of all the possible subcommittees that include Cara, also include Dan?
[ "A)2/3", "B)1/2", "C)1/3", "D)2/4", "E)2/5" ]
B)1/2
aqua_rat
b8640abb-15c9-46ad-be73-34d50158532f
There is 60% increase in an amount in 6 years at S.I. What will be the C.I. of Rs. 12,000 after 3 years at the same rate?
[ "A)Rs. 3932", "B)Rs. 3972", "C)Rs. 3372", "D)Rs. 3942", "E)Rs. 3772" ]
C)Rs. 3372
aqua_rat
5183c759-76e8-4de6-9703-9d8b45327e57
The cost price of a radio is Rs.1500 and it was sold for Rs.1230, find the loss %?
[ "A)18%", "B)19%", "C)68%", "D)19%", "E)38%" ]
A)18%
aqua_rat
307c0148-933a-4d00-92d3-0d04ea1f6ad9
Two pipes A and B can fill a tank in 15 min and 27 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)14 min 42 sec", "C)18 min 24 sec", "D)14 min 40 sec", "E)14 min 10 sec" ]
C)18 min 24 sec
aqua_rat
93ea5337-c1c8-488f-a20d-72994d238903
Lake A has a duck population of 30 females and 35 males. Lake B’s duck population consists of the same ratio of females to males. If 6 new female ducks are added to Lake B and no other ducks are added or removed, the new total duck population of Lake B could be which of the following?
[ "A)144", "B)105", "C)78", "D)51", "E)36" ]
C)78
aqua_rat
ac315f8f-b7f0-422f-945d-e20e4ab1201a
Which of the following numbers is between 2⁄5 and 1⁄4?
[ "A).45", "B).35", "C).23", "D).22", "E).20" ]
B).35
aqua_rat
76d02892-6604-4102-9cc1-6889f8654bd0
In a class, there are 20 boys whose average age is decreased by 2 months, when one boy aged 18 years is replaced by a new boy. The age of the new boy is ?
[ "A)14 years 8 months", "B)15 years", "C)16 years 4 months years", "D)17 years 10 months years", "E)None" ]
A)14 years 8 months
aqua_rat
72f0dcab-5c1c-4b96-9b6c-1f7d2521fdf0
If d is the mean of x, y, and z, what is the mean x - 5, y - 5, z - 5 ?
[ "A)d", "B)3d", "C)15d", "D)d - 5", "E)d + 15" ]
D)d - 5
aqua_rat
20abb06f-543d-4a81-8484-901751e5e390
Yearly subscription to professional magazines cost a company $940.00. To Make a 30% cut in the magazine budget, how much less must be spent?
[ "A)654", "B)655", "C)656", "D)657", "E)658" ]
E)658
aqua_rat
8e7a6983-7c18-428f-a830-7359f788b3d3
A, B and C rents a pasture for Rs.870. A put in 12 horses for 8 months, B 16 horses for 9 months and 18 horses for 6 months. How much should C pay?
[ "A)180", "B)270", "C)360", "D)500", "E)550" ]
B)270
aqua_rat
e53bda6c-3e1c-4ba8-a637-d180daac819f
what is the remainder when 45820 is divided by 45
[ "A)8", "B)15", "C)25", "D)10", "E)5" ]
D)10
aqua_rat
bfe163d5-12ec-4a7f-af51-d65628877dbe
Lucy invested $10,000 in a new mutual fund account exactly three years ago. The value of the account increased by 10 percent during the first year, increased by 6 percent during the second year, and decreased by 10 percent during the third year. What is the value of the account today?
[ "A)$10,350", "B)$10,494", "C)$10,500", "D)$11,500", "E)$12,705" ]
B)$10,494
aqua_rat
cf80b06d-4cf3-43bf-8354-cc1825f2b6b3
A, B and C enter into a partnership by investing Rs. 15000, Rs.21000 and Rs.27000 respectively. At the end of 8 months, B receives Rs.1260 as his share. Find the share of A.
[ "A)Rs. 600", "B)Rs. 1620", "C)Rs. 1080", "D)Rs. 900", "E)None of these" ]
D)Rs. 900
aqua_rat
a8d1b3e2-fb6d-45fb-9088-d864ed905e52
If two pipes function simultaneously, the reservoir will be filled in 12 days.One pipe fills the reservoir 10 hours faster than the other. How many hours does it take the second pipe to fill the reservoir.
[ "A)53 hours", "B)13 hours", "C)30 hours", "D)43 hours", "E)45 hours" ]
C)30 hours
aqua_rat
4cee22bb-7bac-4c6f-be8c-c41a31b11946
Megala bought an electric drill at 85% of the regular price. She paid $850 for the drill. What was the regular price?
[ "A)$1000", "B)$1869", "C)$3869", "D)$5869", "E)$4869" ]
A)$1000
aqua_rat
edc718e3-0442-4ff4-ba72-1322c0cd0533
A man took loan from a bank at the rate of 12% p.a. simple interest. After 3 years he had to pay Rs. 5400 interest only for the period. The principal amount borrowed by him was:
[ "A)34299", "B)28789", "C)15000", "D)28999", "E)15022" ]
C)15000
aqua_rat
5e4ce1b0-7d62-446f-90ee-dc25613b6bbb
What is the Compound Interest on Rs.8500 at 7.5% p.a. compounded half-yearly for 2 1/2 years.
[ "A)1409.85", "B)1717.85", "C)1427.85", "D)2717.85", "E)1817.85" ]
B)1717.85
aqua_rat
2ddd7c72-f55e-42c5-bc97-eab6864b4d0e
An analyst will recommend a combination of 3 industrial stocks, 2 transportation stocks, and 2 utility stocks. If the analyst can choose from 4 industrial stocks, 5 transportation stocks, and 3 utility stocks, how many different combinations of 7 stocks are possible? --
[ "A)12", "B)19", "C)60", "D)180", "E)720" ]
E)720
aqua_rat
84de1f9a-86b8-479e-b129-6f298e16aadd
Find the odd man out 3,12, 24,48, 56, 96
[ "A)48", "B)8", "C)16", "D)56", "E)2" ]
D)56
aqua_rat
876d4cee-8d9f-4f1e-b91b-6266e831d34c
Two bullet train s 140 m and 210 m long run at the speed of 60 km/hr and 40 km/hr respectively in opposite directions on parallel tracks. The time (in seconds) which they take to cross each other, is:
[ "A)15.8 sec.", "B)12.6 sec.", "C)11.8 sec.", "D)10.8 sec.", "E)08.8 sec." ]
B)12.6 sec.
aqua_rat
0a872033-2ccb-427c-b215-2c2a42f864d2
A can do a piece of work in 10 days and B can do it in 15 days and C can do it 20 days. They started the work together and A & B leaves after 2 days simultaneously from the beginning. How long will work lost?
[ "A)14 1/3", "B)10 1/3", "C)11 1/3", "D)12 1/3", "E)13 1/3" ]
E)13 1/3
aqua_rat
d63b10e3-c003-45c0-ba99-9c150679ea0e
A computer system uses alphanumeric case sensitive characters for its passwords. When the system was created it required users to create passwords having 4 characters in length. This year, it added the option of creating passwords having 5 characters in length. Which of the following gives the expression for the total ...
[ "A)63^4", "B)62^5", "C)62(62^4)", "D)66(65^4)", "E)63(62^6)" ]
D)66(65^4)
aqua_rat
aef22292-21d6-4501-8ac3-69c0a887108c
155 liters of a mixture of milk and water contains in the ratio 3:2. How much water should now be added so that the ratio of milk and water becomes 3:4?
[ "A)12 liters", "B)62 liters", "C)41 liters", "D)50 liters", "E)34 liters" ]
B)62 liters
aqua_rat
d2d80d43-14c8-4505-8bd7-8b1bc9e1b8d6
Let a be a positive integer. If q is divisible by 2^a and q is also divisible by 3^(2a), then it is possible that q is NOT divisible by
[ "A)6", "B)3 × 2^a", "C)2 × 3^(2a)", "D)6^a", "E)6^(2a)" ]
E)6^(2a)
aqua_rat
cd466e40-3c35-4eef-8b31-c5c58e8eb887
A small, experimental plane has three engines, one of which is redundant. That is, as long as two of the engines are working, the plane will stay in the air. Over the course of a typical flight, there is a 1/3 chance that engine one will fail. There is a 55% probability that engine two will work. The third engine works...
[ "A) 7/12", "B) 1/4", "C) 1/2", "D) 7/24", "E) 17/24" ]
C) 1/2
aqua_rat
e8a635fc-ce3a-451e-a968-15f88bfc60d7
A boat takes 90 minutes less to travel 36 miles downstream than to travel the same distance upstream. If the speed of the boat in still water is 10 mph, the speed of the stream is
[ "A)2 mph", "B)2.5 mph", "C)3 mph", "D)4 mph", "E)None" ]
A)2 mph
aqua_rat
ba359e54-ec49-4f43-ac3d-e7d4247a2533
A boat goes 100 km downstream in 10 hours, and 75 m upstream in 15 hours. The speed of the stream is?
[ "A)22 1/9 kmph", "B)22 8/2 kmph", "C)22 1/8 kmph", "D)22 1/2 kmph", "E)22 1/4 kmph" ]
D)22 1/2 kmph
aqua_rat
46eb8c16-f8ee-4df8-abba-6d3e34eee0fe
Find the value of 10 + 2 • (8 – 3)
[ "A)25", "B)13", "C)17", "D)20", "E)15" ]
D)20
aqua_rat
9151ff15-83b1-4b0e-b4ba-eb76b43fe4ee
A person crosses a 300 m long street in 4 minutes. What is his speed in km per hour?
[ "A)1.6", "B)4.5", "C)8.2", "D)6.5", "E)2.9" ]
B)4.5
aqua_rat
e9d46841-902f-4fed-b55d-0de0d30db1d0
At a certain high school, a student’s popularity is determined by his or her locker number. Whoever has the locker number with the greatest number of distinct prime factors is the most popular student in the school. If Raja,Kamal, Baskar, and Dinesh get lockers with the numbers 100, 400, 150, and 420, respectively, who...
[ "A)Baskar", "B)They have equal popularity", "C)Dinesh", "D)Raja", "E)Kamal" ]
C)Dinesh
aqua_rat
08841a1d-33fb-46c6-8408-983e7431eb7f
The radius of a wheel is 25.4 cm. What is the distance covered by the wheel in making 500 resolutions?
[ "A)724 m", "B)798.3 m", "C)287 m", "D)278 m", "E)927 m" ]
B)798.3 m
aqua_rat
2bd43a81-15fe-4c0a-bdd9-c0dec8ed1764
5 men are equal to as many women as are equal to 8 boys. All of them earn Rs.90 only. Men’s wages are?
[ "A)6Rs", "B)2Rs", "C)4Rs", "D)9Rs", "E)3Rs" ]
A)6Rs
aqua_rat
8925a44c-9d94-4ec6-a66e-6f8cbad4dbf7
Two brothers took the exam, the higher score is X and the lower one is Y. If the difference between the two scores is equal to their average, what is the value of Y/X ?
[ "A)3", "B)2.", "C)1/2.", "D)1/3.", "E)There isn't enough data to answer the question" ]
D)1/3.
aqua_rat
fc57a945-39d8-49ff-9bef-056a87b61ca1
The numbers in which of the following pairs do NOT have a pair of distinct prime divisors in common?
[ "A)10 and 50", "B)12 and 18", "C)24 and 64", "D)21 and 63", "E)22 and 44" ]
C)24 and 64
aqua_rat
cb015d46-f5b4-4b60-825e-e514c2bb5db8
Rahul went to a shop and bought things worth Rs. 28, out of which 30 Paise went on sales tax on taxable purchases. If the tax rate was 6%, then what was the cost of the tax free items?
[ "A)Rs 15", "B)Rs 12.10", "C)Rs 22.70", "D)Rs 26.80", "E)None of these" ]
C)Rs 22.70
aqua_rat
e310b840-9ad3-4848-a691-ad2c201d53c2
Two vessels P and Q contain 62.5% and 87.5% of alcohol respectively. If 2 litres from vessel P is mixed with 4 litres from vessel Q, the ratio of alcohol and water in the resulting mixture is?
[ "A)16 : 5", "B)14 : 5", "C)16 : 7", "D)19 : 5", "E)None of these" ]
D)19 : 5
aqua_rat
49d79a1d-72d5-479e-8757-8d623450183a
A walks around a circular field at the rate of one round per hour while B runs around it at the rate of three rounds per hour. They start in the same direction from the same point at 7.30 a.m. They shall first cross each other after ___ minutes?
[ "A)11 min", "B)12 min", "C)10 min", "D)15 min", "E)30 min" ]
E)30 min
aqua_rat
457950e7-010c-47ed-9d35-499d22c8a266
0, 1, 5, 14, 30, ____
[ "A)25", "B)35", "C)45", "D)65", "E)55" ]
E)55
aqua_rat
49acece7-1e2a-41e0-8dd9-7f0269742876
What is the least number of digits (including repetitions) needed to express 10^300 in decimal notation?
[ "A)a) 4", "B)b) 100", "C)c) 301", "D)d) 1000", "E)e) 1001" ]
C)c) 301
aqua_rat
95088830-1698-44b3-b062-1f220533b0f2
A train 120 meters long takes 6 seconds to cross a man walking at 5 kmph in the direction opposite to that of the train. Find the speed of the train.
[ "A)67 kmph", "B)50 kmph", "C)55 kmph", "D)60 kmph", "E)70 kmph" ]
A)67 kmph
aqua_rat
8d818c1e-47ad-45c8-8683-da12c31fdc1e
A boat can move upstream at 25 kmph and downstream at 31 kmph, then the speed of the current is?
[ "A)3", "B)6", "C)7", "D)54", "E)8" ]
A)3
aqua_rat
1d68bb76-dcc6-458e-abdf-69b8111f2f19
9 - 3 ÷ 1/3 + 1 = ?
[ "A)1", "B)3", "C)6", "D)9", "E)12" ]
A)1
aqua_rat
bfd54bfb-ce80-4041-9768-c4b3e6a53695
In the last set of tests, a student scored marks in each of 5 subjects in the ratio 4:5:6:7:8 and got an overall average score of 72%. If a mark of 50% in a subject is a pass and the maximum marks of each subject is the same, how many subjects did the student pass?
[ "A)1", "B)2", "C)3", "D)4", "E)5" ]
D)4
aqua_rat
261bf44f-ab78-459e-a303-52564efeaa0c
A basket contains 7 apples, of which 1 is spoiled and the rest are good. If we select 2 apples from the basket simultaneously and at random, what is the probability that the 2 apples selected will include the spoiled apple?
[ "A)1/5", "B)2/7", "C)2/9", "D)3/5", "E)4/11" ]
B)2/7
aqua_rat
0e82ecfa-cfe3-4eb4-8fac-229b71ddbd91
Find the number of elements in the power set of {1,2}
[ "A)4", "B)0", "C)2", "D)3", "E)5" ]
A)4
aqua_rat
51d3440b-a7d7-4046-8b6d-7e4a8306ba74
A “Sophie Germain” prime is any positive prime number p for which 2p + 1 is also prime. The product of all the possible units digits of Sophie Germain primes greater than 8 is
[ "A)189", "B)197", "C)221", "D)227", "E)230" ]
A)189
aqua_rat
6c4107c5-73ee-442b-b244-e211c80edcf2
The perimeter of a triangle is 28 cm and the inradius of the triangle is 2.5 cm. What is the area of the triangle?
[ "A)28 cm2", "B)27 cm2", "C)29 cm2", "D)25 cm2", "E)35 cm2" ]
E)35 cm2
aqua_rat
09970073-54be-4ddc-9ca8-125c143b92bb
A newly-wed couple is using a website to design an eBook Wedding Album to distribute to their friends and families. The template they have chosen has places for 3 large photos and 19 smaller photos. The couple has 5 large photos they could use for those three slots, and 21 smaller photos they could use for those 19 slo...
[ "A)2,100", "B)4,200", "C)5,040", "D)20,520", "E)84,000" ]
A)2,100
aqua_rat
9b48e06d-4164-4cf1-833f-d8cbc109a34c
Two cars start from the same places in opposite directions. One is going towards north at 60 kmph and the other is going towards south 40kmph. What time will they take to be 100km apart?
[ "A)1hr", "B)2hrs", "C)3hrs", "D)4hrs", "E)5hrs" ]
A)1hr
aqua_rat
134a10ae-94a4-4f41-b119-d2b9675a46cb
Two teams are distributing information booklets. Team A distributes 60% more boxes of booklets than Team Z, but each box of Team A’s has 60% fewer booklets than each box of Team Z’s. Which of the following could be the total number of booklets distributed by the two groups?
[ "A)2,000", "B)3,200", "C)4,100", "D)4,800", "E)4,900" ]
C)4,100
aqua_rat
cc1741a0-d563-45f1-82df-d4ad52b1cf7d
Which of the following can be expressed as a terminating decimal?
[ "A)1/25 + 1/35", "B)1/225 + 1/1,250", "C)1/11,000 + 1/13,000", "D)1/75 + 1/35", "E)1/125 + 1/8" ]
E)1/125 + 1/8
aqua_rat
4be1adb0-5269-40b4-a266-80a297fc78bf
The average score in an examination of 10 students of a class is 60. If the scores of the top five students are not considered, the average score of the remaining students falls by 5. The pass mark was 40 and the maximum mark was 100. It is also known that none of the students failed. If each of the top five scorers ha...
[ "A)87", "B)95", "C)99", "D)100", "E)103" ]
C)99
aqua_rat