loafeihong/math_mmlu_format huggingface dataset:
A reduction of 25% in the price of oil enables a house wife to obtain 5kgs more for Rs.900, what is the reduced price for kg? Answer Choice: (A) s.40 (B) s.46 (C) s.49 (D) s.45 (E) s.42
Answer: D
How long does a train 110 m long running at the speed of 72 km/hr takes to cross a bridge 132 m length? Answer Choice: (A) 21.0 sec (B) 12.1 sec (C) 13.9 sec (D) 43.9 sec (E) 37.9 sec
Answer: B
An investment compounds annually at an interest rate of 34.1% What is the smallest investment period by which time the investment will more than triple in value? Answer Choice: (A) 3 (B) 4 (C) 6 (D) 9 (E) 12
Answer: B
Average of first five multiples of 8 is Answer Choice: (A) 9 (B) 11 (C) 24 (D) 15 (E) 16
Answer: C
Three balls of different colors are to be placed in three different boxes such that any box contains at least 1 ball . What is the maximum number of different ways in which this can be done? Answer Choice: (A) 60 (B) 90 (C) 120 (D) 150 (E) 180
Answer: A
An anti- aircraft gun can take a maximum of four shots at an enemy plane moving away from it. The probability of hitting the plane at the first, second, third and fourth shots are 0.4, 0.3, 0.2 and 0.1 respectively.
What is the probability that the plane is hit when all the four shots are fired? Answer Choice: (A) 0.6872 (B) 0.4379 (C) 0.6976 (D) 0.1274 (E) None of these
Answer: C
A company recently conducted a survey and found that 30,000 of its customers live in rural areas. If the number of customers who live in urban areas is 130 percent greater than the number of customers who live in rural areas, how many customers live in urban areas? Answer Choice: (A) 65,000 (B) 67,000 (C) 69,000 (D) 71,000 (E) 73,000
Answer: C
At the opening of a trading day at a certain stock exchange, the price per share of stock K was $6. If the price per share of stock K was $8 at the closing of the day, what was the percent increase in the price per share of stock K for that day? Answer Choice: (A) 1.4% (B) 5.9% (C) 11.1% (D) 12.5% (E) 33.33%
Answer: E
A cistern has three pipes, A, B and C. The pipes A and B can fill it in 4 and 5 hours respectively and C can empty it in 2 hours. If the pipes are opened in order at 1, 2 and 3 A.M. When will the cistern be empty? Answer Choice: (A) 2 (B) 3 (C) 5 (D) 81 (E) 6
Answer: D
A certain characteristic in a large population has a distribution that is symmetric about the mean m. If 68% of the distribution lies one standard deviation h of the mean, what percent of the distribution is less than m+h? Answer Choice: (A)  16% (B)  32% (C)  48% (D)  84% (E)  92%
Answer: D
Ayush was born two years after his father's marriage. His mother is five years younger than his father but 20 years older than Ayush who is 10 years old. At what age did the father get married ? Answer Choice: (A) 23 years (B) 25 years (C) 33 years (D) 35 years (E) 45 years
Answer: A
The volumes of two cubes are in the ratio 27: 125, what shall be the ratio of their surface areas? Answer Choice: (A) 9 : 29 (B) 9 : 23 (C) 9 : 24 (D) 9 : 25 (E) 9 : 21
Answer: C
A circular garden is surrounded by a fence of negligible width along the boundary. If the length of the fence is 1/8 of th area of the garden. What is the radius of the circular garden? Answer Choice: (A) 1 (B) 2 (C) 4 (D) 8 (E) 16
Answer: E
107 x 107 + 93 x 93 =? Answer Choice: (A) 19578 (B) 19418 (C) 20098 (D) 21908 (E) None of them
Answer: C
What quantity of water should taken out to concentrate 18 liters of 40% acidic liquid to 60% acidic liquid? Answer Choice: (A) 5liters (B) 10liters (C) 15liters (D) 8liters (E) 6liters
Answer: E
To furnish a room in a model home an interior decorator is to select 3 chairs and 3 tables from the collection of chairs and tables in a warehouse that are all different from each other. If there are 6 chairs in the warehouse and if 80 different combinations are possible, how many tables are there in the warehouse? Answer Choice: (A) A)4 (B) B)8 (C) C)10 (D) D)15 (E) E)30
Answer: A
A and B began business with Rs.6000 and Rs.4000 after 8 months, A withdraws Rs.1000 and B advances Rs.1000 more. At the end of the year, their profits amounted to Rs.630 find the share of A. Answer Choice: (A) 240 (B) 288 (C) 277 (D) 357 (E) 361
Answer: D
If x and y are non-zero integers, and 25x^4 – 4y^4 = 5x^2 + 2y^2, which of the following could be the value of x2 in terms of y? Answer Choice: (A) 2y^2+1/6 (B) 2y^2/5 (C) 2y^2 (D) 2y^2+1/5 (E) 2y
Answer: D
If four coins are tossed, the probability of getting two heads and two tails is? Answer Choice: (A) 3/8 (B) 3/5 (C) 3/9 (D) 3/3 (E) 3/1
Answer: A
A motorcyclist started riding at highway marker A, drove 120 miles to highway marker B, and then, without pausing, continued to highway marker C, where she stopped. The average speed of the motorcyclist, over the course of the entire trip, was 45 miles per hour. If the ride from marker A to marker B lasted 3 times as many hours as the rest of the ride, and the distance from marker B to marker C was half of the distance from marker A to marker B, what was the average speed, in miles per hour, of the motorcyclist while driving from marker B to marker C? Answer Choice: (A) 40 (B) 45 (C) 50 (D) 55 (E) 60
Answer: E
In what time will a train 100 m long cross an electric pole, it its speed be 144 km/hr? Answer Choice: (A) 2.5 (B) 2.3 (C) 2.4 (D) 2.1 (E) 2.6
Answer: A
x and y are positive integers. If xy + x is even, then which of the following must be even? Answer Choice: (A) x (B) y (C) x + y (D) y+1 (E) x^2 − y
Answer: D
A certain club has 8 members, including Harry. One of the 8 members is to be chosen at random to be the president, one of the remaining 7 members is to be chosen at random to be the secretary, and one of the remaining 6 members is to be chosen at random to be the treasurer. What is the probability that Harry will either be the secretary or the member chosen to be the treasurer? Answer Choice: (A) 1/4 (B) 2/4 (C) 3/4 (D) 1 (E) 5/4
Answer: A
The grade point average of one third of the classroom is 45; the grade point average of the rest is 60. What is the grade point average of the whole class? Answer Choice: (A) 54 (B) 55 (C) 60 (D) 65 (E) 70
Answer: B
Pipe A and pipe B fill water into a tank of capacity 5000 litres, at a rate of 200 l/min and 50 l/min. Pipe C drains at a rate of 25 l/min. Pipe A is open for 1 min and closed, then pipe B is open for 2 min and closed. Further the pipe c is opened and drained for another 2 min. This process is repeated until the tank is filled. How long will it take to fill the tank? Answer Choice: (A) 120 (B) 100 (C) 140 (D) 80 (E) 90
Answer: B
The ratio between the present age of P and Q is 6:7. If Q is 4 years old than P,What will be the ratio of the ages of P and Q after 4 years? Answer Choice: (A) 8:7 (B) 7:8 (C) 8:6 (D) 6:7 (E) 6:8
Answer: A
Of the 250 employees at company X, 80 are full-time, and 175 have worked at company X for at least a year. There are 20 employees at company X who aren’t full-time and haven’t worked at company X for at least a year. How many full-time employees of company X have worked at the company for at least a year? Answer Choice: (A) 25 (B) 30 (C) 50 (D) 80 (E) 100
Answer: A
There are 3 red shoes & 7 green shoes . If two of red shoes are drawn what is the probability of getting red shoes Answer Choice: (A) 1/13 (B) 1/14 (C) 1/12 (D) 1/15 (E) 1/16
Answer: D
A car was driving at 80 Km/h for 40 minutes, and then at 60 Km/h for another 40 minutes. What was its average speed? Answer Choice: (A) 113.33. (B) 103.33 (C) 93.33 (D) 83.33 (E) 73.33
Answer: A
The average of 10 numbers is calculated as 15. It is discovered later on that while calculating the average, one number namely 36 was wrongly read as 26. The correct average is? Answer Choice: (A) 22 (B) 88 (C) 16 (D) 83 (E) 82
Answer: C
How many total number of ways in which c distinct objects can be put into two different boxes is Answer Choice: (A) n2 (B) 2c (C) 2n (D) 3n (E) None of these
Answer: B
In a party every person shakes hands with every other person. If there were a total of 153 handshakes in the party then what is the number of persons present in the party ? Answer Choice: (A) 15 (B) 16 (C) 17 (D) 18 (E) 19
Answer: D
Find the value of X: 3x^2-6x+3 = 0 Answer Choice: (A) -1 (B) 1 (C) 2 (D) 3 (E) 4
Answer: B
In an election between two candidates first candidate got 50% of votes polled and second Candidate got 2800 votes. The total number of votes polled was? Answer Choice: (A) 5600 votes (B) 5800 votes (C) 5900 votes (D) 5980 votes (E) 5990 votes
Answer: A
What is the units digit of the expression 14^7−20^4? Answer Choice: (A)  8 (B)  3 (C)  4 (D)  6 (E)  0
Answer: A
On a certain road 10% of the motorists exceed the posted speed limit and receive speeding tickets, but 22% of the motorists who exceed the posted speed limit do not receive speeding tickets. What percent of the motorists on the road exceed the posted speed limit? Answer Choice: (A) 10.5% (B) 12.8% (C) 15% (D) 22% (E) 30%
Answer: B
A man purchases 2 watches for $ 540. He sells one at 15% profit and the other at a loss of 10%. He neither gains nor loses on the whole. Thus, the cost price of two watches are : Answer Choice: (A) $ 260 and $ 300 (B) $216 and $ 324 (C) $224 and $336 (D) $560 and $560 (E) $224 and $ 350
Answer: B
A box contains four gold coins, of which two coins have heads on both their faces, one coin has tail on both its faces and the fourth coin is a normal one. A coin is picked at random and then tossed. If head is the outcome of the toss, then find the probability that the other face (hidden face) of the coin tossed is also a head. Answer Choice: (A) 2/5 (B) 3/5 (C) 4/5 (D) 1/5 (E) 3/4
Answer: C
The lowest number which should be added to 1277 so that the sum is exactly divisible by 3, 2, 5, 4 and 7 is: Answer Choice: (A) 303 (B) 403 (C) 203 (D) 453 (E) 203
Answer: B
A 10 kg dry mixture is composed of 40 % sugar and rest salt. How much sugar (in kg) must be added to this mixture so that salt and sugar are in same proportion? Answer Choice: (A) 2 (B) 3 (C) 5 (D) 7 (E) 8
Answer: A
What will be the cost of building a fence around a square plot with area equal to 289 sq ft, if the price per foot of building the fence is Rs. 58? Answer Choice: (A) Rs.3944 (B) Rs.3918 (C) Rs.3928 (D) Rs.3929 (E) Rs.3289
Answer: A
A physics class has 25 students, two of whom are Alex and Justin. Three students are chosen
uniformly at random for a lab demonstration. What is the probability that at least one of Alex
and Justin is chosen? Answer Choice: (A) 0.3 (B) 0.25 (C) 0.19 (D) 0.23 (E) 0.2
Answer: D
On a game show, a contestant is given three keys, each of which opens exactly one of three identical boxes. The first box contains $3, the second $300, and the third $3000. The contestant assigns each key to one of the boxes and wins the amount of money contained in any box that is opened by the key assigned to it. Mention the probability that a contestant will win more than $3000? Answer Choice: (A) 1/6 (B) 1/8 (C) 1/7 (D) 1/3 (E) 1/2
Answer: A
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 spades card. If exactly one of these three tasks is successful, then you win the game. What is the probability of winning? Answer Choice: (A) 1/48 (B) 5/16 (C) 11/12 (D) 11/16 (E) 23/48
Answer: E
Pipe A can fill a tank in 5 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? Answer Choice: (A) 6 hours (B) 8 hours (C) 3 hours (D) 9 hours (E) 1 hours
Answer: C
A runner runs the 40 miles from Marathon to Athens at a constant speed. Halfway through the run she injures her foot, and continues to run at half her previous speed. If the second half takes her 5 hours longer than the first half, how many hours did it take the runner to run the second half? Answer Choice: (A) 8 (B) 9 (C) 10 (D) 11 (E) 12
Answer: C
What no. should be subtracted from x^3+4x^2−7x+12x^3+4x^2−7x+12, if it is to be perfectly divisible by x+3x+3? Answer Choice: (A) 34 (B) 42 (C) 48 (D) 49 (E) 53
Answer: B
If 7687 books need to be placed in boxes and each box can contain at most 9 books. How many books will be in the last unfilled box? Answer Choice: (A) 27 books (B) 1 book (C) 28 books (D) 0 books (E) 8 books
Answer: B
What will the ratio of simple interest earned by certain amount at the same rate of interest for 4 years and that for 12 years. Answer Choice: (A) 2:3 (B) 2:5 (C) 1:3 (D) 2:3 (E) None of these
Answer: C
A, B and C start swimming in a pool simultaneously from the same end. To complete 10 laps, A takes 10 minutes, B takes 8 minutes and C takes 4 minutes. What is the ratio of speeds A:B:C? Answer Choice: (A) 3:4:5 (B) 12:15:20 (C) 5:4:3 (D) 4:5:10 (E) 12:15:25
Answer: D
When n is divided by 15, the remainder is 6. When n is divided by 12, the quotient is equal to Z, and the remainder is equal to 6. Z must be divisible by which of the following numbers? Answer Choice: (A) 13 (B) 14 (C) 15 (D) 16 (E) 17
Answer: C
During a special promotion, a certain filling station is offering a 10 percent discount on gas purchased after the first 15 gallons. If Kim purchased 20 gallons of gas, and Isabella purchased 25 gallons of gas, then Isabella‟s total per-gallon discount is what percent of Kim‟s total per-gallon discount? Answer Choice: (A) 80% (B) 100% (C) 116.7% (D) 120% (E) 160%
Answer: E
The population of a town is 176400. If it increase at the rate of 5% per annum. What will be its population for 2years hence? Answer Choice: (A) 200000 (B) 215600 (C) 194582 (D) 194481 (E) 215460
Answer: D
In what ratio should water and wine be mixed so that after selling the mixture at the cost price a profit of 33.33% is made? Answer Choice: (A) 1:0 (B) 1:3 (C) 1:9 (D) 1:6 (E) 1:5
Answer: B
The difference between the squares of two consecutive odd integers
is a square<1000 whose root equals the combined sum of the digits
of the two integers. What is the sum of the digits T of the larger integer? Answer Choice: (A) T=2 (B) T=5 (C) T=8 (D) 10 (E) 11
Answer: A
On dividing a number by 7, we get 3 as quotient and 0 as remainder. On dividing the same number by 3, what will be the remainder? Answer Choice: (A) 1 (B) 2 (C) 3 (D) 0 (E) 4
Answer: D
Two ships are sailing in the sea on the two sides of a lighthouse. The angle of elevation of the top of the lighthouse is observed from the ships are 30º and 45º respectively. If the lighthouse is 100 m high, the distance between the two ships is: Answer Choice: (A) 173 m (B) 200 m (C) 273 m (D) 300 m (E) None of these
Answer: C
If 12 men and 16 boys can do a piece of work in 7 days and 13 men together will 24 boys can do it in 4 days. Compare the daily work done by a man with that of a boy. Answer Choice: (A) 1:4 (B) 1:2 (C) 1:3 (D) 2:1 (E) 4:1
Answer: B
What is the minimum value of z for which z^2 + z - 3/4 > 0 is not true? Answer Choice: (A) -5/2 (B) -3/2 (C) -1/2 (D) 1/4 (E) 1/2
Answer: B
If the tens digit x and the units digit y of a positive integer n are reversed, the resulting integer is 36 more than n. What is y in terms of x ? Answer Choice: (A) x-2 (B) x-4 (C) x+4 (D) x-3 (E) x-1
Answer: C
How many odd numbers between 10 and 900 are the squares of integers? Answer Choice: (A) 12 (B) 13 (C) 14 (D) 15 (E) 16
Answer: B
Assuming i have an infinite supply of coins.
What is the fewest number of coins would be required in order to make sure each and every coin touched exactly three other coins. Answer Choice: (A) 1 (B) 6 (C) 4 (D) 2 (E) 8
Answer: C
For what value of x will the function f(x) = -3(x - 10)(x - 4) have a maximum value? Find the maximum value. Answer Choice: (A) 15 (B) 36 (C) 33 (D) 27 (E) 29
Answer: D
The true discount on a bill of Rs.8640 is Rs.1440.The banker's discount is Answer Choice: (A) 1428 (B) 1528 (C) 1628 (D) 1728 (E) None of these
Answer: D
How many possible different bus routes are available in a metro city ? Suppose the bus route numbers consist of a natural number less than 100, followed by one of the letters U,V,W,X,Y and Z. Answer Choice: (A) 500 (B) 550 (C) 564 (D) 594 (E) None of these
Answer: D
A store sells chairs and tables. If the price of 2 chairs and 1 table is 60% of the price of 1 chair and 2 tables, and the price of 1 table and 1 chair is $64, what is the price, in dollars, of 1 table? (Assume that every chair has the same price and every table has the same price.) Answer Choice: (A) 48 (B) 52 (C) 54 (D) 58 (E) 56
Answer: E
Two pipe A and B fill a tank in 6 hours and 8 hours respectively.and C empty that tank in 12 hour.if all three pipe open together in empty tank then how much time it take to fill the tank? Answer Choice: (A) 19/3 (B) 23/2 (C) 24/5 (D) 18 (E) 16
Answer: C
In a certain corporation, there are 300 male employees and 150 female employees. It is known that 30% of the male employees have advanced degrees and 40% of the females have advanced degrees. If one of the 450 employees is chosen at random, what is the probability this employee has an advanced degree or is female? Answer Choice: (A) 2/3 (B) 3/5 (C) 3/10 (D) 8/15 (E) 11/30
Answer: D
If the average of ten numbers is 60, then which of the following could be the standard deviation of the ten numbers?
I. 0
II. 10
III. 60 Answer Choice: (A) I (B) II (C) III (D) I&II (E) all three options
Answer: E
Car T and Car Y traveled the same 80-mile route. If Car T took 2 hours and Car Y traveled at an average speed that was 50 percent faster than the average speed of Car T, how many hours did it take Car Y to travel the route? Answer Choice: (A)  2/3 (B)  1 (C)  4/3 (D)  8/5 (E)  3
Answer: C
If a4 +(1/a4)=119 then a power 3-(1/a3) Answer Choice: (A) 22 (B) 36 (C) 27 (D) 18 (E) 19
Answer: B
What is the greatest prime factor of 4^17 - 2^29? Answer Choice: (A) 2 (B) 3 (C) 5 (D) 7 (E) 31
Answer: E
The average of five numbers is 27. If one number is excluded, the average becomes 25. The excluded number is? Answer Choice: (A) 35 (B) 25 (C) 40 (D) 52 (E) 16
Answer: A
In an electric circuit, two resistors with resistances x and y are connected in parallel. If R is the combined resistance of these two resistors, then the reciprocal of R is equal to the sum of the reciprocals of x and y. What is R if x is 5 Ohms and y is 6 Ohms? Answer Choice: (A) 7/30 (B) 11/30 (C) 11/15 (D) 30/11 (E) 15/11
Answer: D
probability Like between 100 and 999 how many no have the probability that they does not contain 7 ? Answer Choice: (A) 646/900 (B) 648/900 (C) 649/900 (D) 658/900 (E) 642/900
Answer: B
What is the average (arithmetic mean) of all multiples of 10 from 10 to 200 inclusive? Answer Choice: (A) 190 (B) 105 (C) 200 (D) 205 (E) 210
Answer: B
10 business executives and 3 chairmen meet at a conference. If each business executive shakes the hand of every other business executive and every chairman once, and each chairman shakes the hand of each of the business executives but not the other chairmen, how many handshakes would take place? Answer Choice: (A) 144 (B) 131 (C) 115 (D) 90 (E) 75
Answer: E
The arithmetic mean of the scores of a group of students in a test was 52. The brightest 20% of them secured a mean score of 80 and the dullest 25% a mean score of 31. The mean score of remaining 55% is? Answer Choice: (A) 57.6 (B) 51.6 (C) 51.4 (D) 51.1 (E) 51.1
Answer: C
A train travels from Albany to Syracuse, a distance of 120 miles, at the average rate of 40 miles per hour. The train then travels back to Albany from Syracuse. The total travelling time of the train is 5 hours and 24 minutes. What was the average rate of speed of the train on the return trip to Albany? Answer Choice: (A) 45 (B) 20 (C) 30 (D) 40 (E) 50
Answer: E
A certain school principal must choose 5 students to attend a field trip out of a group of 11 students. In addition, out of the 5 chosen students, the principal must select a note-taker and a treasurer. How many different ways are there for the principal to select the 5 students and then select the treasurer and the note-taker? Answer Choice: (A) 1,260 (B) 2,520 (C) 9,240 (D) 6,020 (E) 10,080
Answer: C
How much water should be added to 12 liters of a 20%-solution of alcohol to reduce the concentration of alcohol in the solution by 75% ? Answer Choice: (A) 28 liters (B) 27 liters (C) 30 liters (D) 32 liters (E) 35 liters
Answer: A
In the rectangular coordinate system, points (4, 0) and (– 4, 0) both lie on circle C. What is the maximum possible value of the radius of C Answer Choice: (A) 2 (B) 4 (C) 8 (D) 16 (E) None of the above
Answer: B
If n is the smallest integer such that 54 times n is the square of an integer, what is the value of n? Answer Choice: (A)  2 (B)  1 (C)  6 (D)  12 (E)  24
Answer: B
In how many different number of ways 5 men and 2 women can sit on a shopa which can accommodate persons? Answer Choice: (A) 160 (B) 170 (C) 190 (D) 210 (E) 230
Answer: D
If the annual rate of simple interest increases from 10% to 12 1/2 %, a man's yearly income increases by Rs. 1250. His principal in Rs. is? Answer Choice: (A) 32778 (B) 50000 (C) 27798 (D) 27799 (E) 27601
Answer: B
A publishing company advertisd the job opening.The response was good. One hundred people applied for the post. The company wanted someone expert in both physics and chemistry. Out of which 10 did not had any specalization.70 of them had got physics training and 82 got training in chemistry.how many applicants had got training in both
physics and chemistry? Answer Choice: (A) 60 (B) 61 (C) 62 (D) 63 (E) 64
Answer: C
20 litres of a mixture contains milk and water in the ratio 3:1. How much milk must be added to this mixture to have a mixture containing milk and water in the ratio 4 :1 ? Answer Choice: (A) 2 (B) 5 (C) 6 (D) 7 (E) 8
Answer: B
The present population of a town is 260. Population increase rate is 10% p.a. Find the population of town after 1 years? Answer Choice: (A) 100 (B) 120 (C) 200 (D) 226 (E) 286
Answer: E
A man can row downstream at 24 kmph and upstream at 10 kmph. Find the speed of the man in still water and the speed of stream respectively? Answer Choice: (A) 2, 7 (B) 7, 4 (C) 8, 7 (D) 4, 7 (E) 17, 7
Answer: E
A cube of side 4 meter length is cut into small cubes of side 25 cm each. How many such small cubes can be obtained? Answer Choice: (A) 4069 (B) 6048 (C) 1000 (D) 4096 (E) 4060
Answer: D
The mass of 1 cubic meter of a substance is 300 kg under certain conditions. What is the volume in cubic centimeters of 1 gram of this substance under these conditions? (1 kg =1,000 grams and 1 cubic meter = 1,000,000 cubic centimeters) Answer Choice: (A) 3.33 (B) 3.34 (C) 3.53 (D) 5.32 (E) 3.92
Answer: A
A train running at the speed of 90 km/hr crosses a pole in 6 seconds. Find the length of the train. Answer Choice: (A) 150 meter (B) 100 meter (C) 105 meter (D) 120 meter (E) 130 meter
Answer: A
The bacteria have the probability of split into 3 and probability to die is 1/3rd of the total bacteria. Let the probability is P. Some of them survived with probability 1/5.Then which among the following relation is true? Answer Choice: (A) P=1/3+1/5*3 (B) P=1/3+1/5*4 (C) P=1/3+1/5*2 (D) P=1/8*(1/8-3) (E) P=1/5*(1/4-3)
Answer: A
What is the sum of all possible solutions to |x - 3|^2 + |x - 3| = 20 ? Answer Choice: (A) -1 (B) 6 (C) 7 (D) 12 (E) 14
Answer: B
A fair coin is tossed 4 times. What is the probability of getting at least 2 tails? Answer Choice: (A) 1/16 (B) 1/2 (C) 3/16 (D) 11/16 (E) 3/8
Answer: D
A train running at the speed of 80 km/hr crosses a pole in 9 sec. What is the length of the train? Answer Choice: (A) 298 m (B) 200 m (C) 208 m (D) 988 m (E) 299 m
Answer: B
A certain business produced x rakes each month form November through February and shipped x/2 rakes at the beginning of each month from March through October. The business paid no storage costs for the rakes from November through February, but it paid storage costs of $0.30 per rake each month from March through October for the rakes that had not been shipped. In terms of x, what was the total storage cost, in dollars, that the business paid for the rakes for the 12 months form November through October? Answer Choice: (A) 0.40x (B) 4.20x (C) 1.40x (D) 1.60x (E) 3.20x
Answer: B
The sum of the present ages of two persons A and B is 60. If the age of A is twice that of B, find the sum of their ages 7 years hence? Answer Choice: (A) 22 (B) 77 (C) 74 (D) 98 (E) 71
Answer: C