loafeihong/math_mmlu_format huggingface dataset:
The ratio of the number of ladies to gents at a party was 1:2 but when 2 ladies and 2 gents left, the ratio became 1:3. How many people were at the party originally? Answer Choice: (A) 44 (B) 11 (C) 12 (D) 98 (E) 58
Answer: C
Sum of 3 consecutive even no.'s is 30 more than the 1st no. of the series. Find the middle no.? Answer Choice: (A) 8 (B) 12 (C) 14 (D) 16 (E) 18
Answer: C
How many words can be formed by using all letters of the word “BIHAR” Answer Choice: (A) 452 (B) 320 (C) 365 (D) 456 (E) 120
Answer: E
An investment yields an interest payment of $228 each month. If the simple annual interest rate is 9%, what is the amount of the investment? Answer Choice: (A) $28,300 (B) $30,400 (C) $31,300 (D) $32,500 (E) $35,100
Answer: B
The average age of the boys in a class is 16 years and that of the girls is 15 years. The average age for the whole class is Answer Choice: (A) 18 (B) 67 (C) 02 (D) Data inadequate (E) 23
Answer: D
A certain electric-company plan offers customers reduced rates for electricity used between 8 p.m. and 8 a.m. weekdays and 24 hours a day Saturdays and Sundays. Under this plan, the reduced rates W apply to what fraction of a week? Answer Choice: (A)  1/2 (B)  5/8 (C)  9/14 (D)  16/21 (E)  9/10
Answer: C
If 10 toys cost Rs, 234, what do 35 toys cost? Answer Choice: (A) 645 (B) 564 (C) 546 (D) 819 (E) None of them
Answer: D
What is the greatest positive integer n such that 3^n is a factor of 54^100? Answer Choice: (A) 100 (B) 200 (C) 300 (D) 600 (E) 900
Answer: C
How many odd integers F between 200 and 600 are there such that their tens digit is even? Answer Choice: (A) 20 (B) 25 (C) 100 (D) 150 (E) 200
Answer: C
In the presidential election, 55% of the people who voted, voted for the democratic candidate and 35% voted for the republican candidate. If 8% of the number of people eligible to vote, voted for neither the republican nor the democrat, what percent of people eligible to vote actually voted in the elections? Answer Choice: (A) 40 (B) 60 (C) 80 (D) 88 (E) 90
Answer: C
If Sharon's weekly salary increased by 15 percent, she would earn $460 per week. If instead, her weekly salary were to increase by 10 percent, how much would she earn per week? Answer Choice: (A) Rs.400 (B) Rs.440 (C) Rs.150 (D) Rs.460 (E) Rs.520
Answer: B
In a certain village, n litres of water are required per household per month. At this rate, if there are m households in the village, how long (in months) will p litres of water last? Answer Choice: (A) p /m (B) P/mn (C) mp / n (D) np / m (E) npm
Answer: B
Rs.1500 is divided into two parts such that if one part is invested at 6% and the other at 5% the whole annual interest from both the sum is Rs.85. How much was lent at 5%? Answer Choice: (A) 399 (B) 700 (C) 288 (D) 500 (E) 211
Answer: D
A city has a population of 3,00,000 out of which 1,80,000 are males. 50% of the population is literate. If 70% of the males are literate, the number of literate females is : Answer Choice: (A) 20,000 (B) 24,000 (C) 30,000 (D) 34,000 (E) 36,000
Answer: B
If you write down all the numbers from 1 to 100, then how many times do you write 3 ? Answer Choice: (A) 11 (B) 18 (C) 20 (D) 21 (E) 22
Answer: C
The arithmetic mean of the scores of a group of students in a test was 42. 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) A)61.4. (B) B)51.7 (C) C)33.18 (D) D)51.1 (E) E)51.2
Answer: C
Murali travelled from city A to city B at a speed of 40 kmph and from city B to city C at 60 kmph. What is the average speed of Murali from A to C given that the ratio of distances between A to B and B to C is 1 : 2?
A. 48 kmph Answer Choice: (A) 33 (B) 360/7 (C) 28 (D) 27/8 (E) 16
Answer: B
If 22 men do a work in 55 days, in how many days will 10 men do it? Answer Choice: (A) 121 (B) 123 (C) 119 (D) 125 (E) 127
Answer: A
2 years ago, the average age of a family of 5 members was 16 years. After a baby is born, the average age of family is the same today. Find the present age of the baby. Answer Choice: (A) 4 years (B) 6 years (C) 8 years (D) 8 ½ years (E) 9 years
Answer: B
A certain sum of money at simple interest amounted Rs.840 in 10 years at 3% per annum, find the sum? Answer Choice: (A) 287 (B) 276 (C) 279 (D) 646 (E) 370
Answer: D
The cost of 10 kg of mangos is equal to the cost of 24 kg of rice. The cost of 6 kg of flour equals the cost of 2 kg of rice. The cost of each kg of flour is $25. Find the total cost of 4 kg of mangos, 3 kg of rice and 5 kg of flour? Answer Choice: (A) 347 (B) 987 (C) 1070 (D) 1371 (E) 1667
Answer: C
Seven years back, a father was 48 years older than his son. At present the father is 4 times as old as the son. How old will the son be three years from now? Answer Choice: (A) 16 years (B) 17 years (C) 18 years (D) 19 years (E) 20 years
Answer: D
Peeta asks Katniss, 'It is 10 9m as per my watch right now.Do you know what will be the time 23, 999, 996 hours later?'
Katniss knows the answer. Do you ? Answer Choice: (A) 5pm (B) 6pm (C) 4am (D) 7pm (E) 8pm
Answer: D
How many multiples of 7 are there between 700 and 1000, inclusive? Answer Choice: (A) 43 (B) 42 (C) 22 (D) 21 (E) 20
Answer: A
The difference between the compound interest and simple interest accrued on an amount at the end of three years at the rate of 12% is Rs.381.888. What is the amount? Answer Choice: (A) Rs. 9500 (B) Rs. 8400 (C) Rs.8000 (D) Rs.8200 (E) Rs.8500
Answer: E
The average weight of 8 person’s increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person? Answer Choice: (A) 75 kg (B) 85 kg (C) 95 kg (D) 65 kg (E) None of these
Answer: B
A man has 1044 candles. After burning, he can make a new candle from 9 stubs left behind. Find the maximum number of candles that can be made. Answer Choice: (A) 116 (B) 120 (C) 130 (D) 140 (E) None
Answer: C
Mary, Peter, and Lucy were picking chestnuts. Mary picked twice as much chestnuts than Peter. Lucy picked 5 kg more than Peter. Together the three of them picked 29 kg of chestnuts. How many kilograms of chestnuts did Mary, Peter, and Lucy pick respectively? Answer Choice: (A) 6, 11 and 12 (B) 12, 11 and 6 (C) 11, 6 and 12 (D) 12, 6 and 11 (E) 6, 12 and 11
Answer: D
A train covers a distance in 50 min, if it runs at a speed of 48kmph on an average. The speed at which the train must run to reduce the time of journey to 10min will be. Answer Choice: (A) 60 km/h (B) 55 km/h (C) 240 km/h (D) 70 km/h (E) 65 km/h
Answer: C
Company P had 15 percent more employees in December than it had in January. If Company P had 450 employees in December, how many employees did it have in January? Answer Choice: (A)  391 (B)  392 (C)  410 (D)  423 (E)  445
Answer: B
Sum of 3 consecutive even no.'s is 26 more than the 1st no. of the series. Find the middle no.? Answer Choice: (A) 10 (B) 12 (C) 14 (D) 18 (E) 21
Answer: B
Anand starts from a point P towards point Q, where PQ = 80 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. Answer Choice: (A) (45/7) kmph (B) (160/21) kmph (C) (40/7) kmph (D) (30/7) kmph (E) (65/7) kmph
Answer: B
The sum of 5 different positive 2-digit integers is 130. What is the highest possible value of the largest of these integers? Answer Choice: (A) 88 (B) 84 (C) 78 (D) 74 (E) 68
Answer: B
For any triangle T in the xy–coordinate plan, the center of T is defined to be the point whose x–coordinate is the average (arithmetic mean) of the x–coordinates of the vertices of T and whose y–coordinate is the average of the y–coordinates of the vertices of T. If a certain triangle has vertices at the points (0,0) and (9,3) and center at the point (4,3), what are the coordinates of the remaining vertex? Answer Choice: (A) (3,4) (B) (3,9) (C) (4,9) (D) (6,4) (E) (3,6)
Answer: E
What could be the maximum value of Q in the following equation?
5P9 + 3R7 + 2Q8 = 1114 Answer Choice: (A) 5 (B) 6 (C) 7 (D) 8 (E) 9
Answer: E
In a local school district, the high school and middle school each received r dollars toward funding for the student arts program. The high school enrolled 150 students and the middle school enrolled 75 students. Later, the middle school transferred s dollars to the high school so that they would have received the same funding per student. Which of the following is equivalent to s? Answer Choice: (A) r/8 (B) r/5 (C) r/2 (D) r/3 (E) r/9
Answer: D
A chemical supply company has 60 liters of a 25% HNO3 solution. How many liters of pure undiluted HNO3 must the chemists add so that the resultant solution is a 50% solution? Answer Choice: (A) 12 (B) 15 (C) 20 (D) 24 (E) 30
Answer: E
The speed at which a man can row a boat in still water is 15 kmph. If he rows downstream, where the speed of current is 3 kmph, what time will he take to cover 60 metres? Answer Choice: (A) 65 seconds (B) 14 seconds (C) 14 seconds (D) 12 seconds (E) 12 seconds
Answer: D
50, 47, 45, 42, 40, 37, ? Answer Choice: (A) 36 (B) 35 (C) 34 (D) 33 (E) 32
Answer: B
A 4-letter code word consists of letters X, Y, and Z. If the code includes all the three letters, how many such codes are possible? Answer Choice: (A) 36 (B) 72 (C) 48 (D) 24 (E) 18
Answer: A
If y exceeds x by 22%, then x is less than y by? Answer Choice: (A) 18 2/8% (B) 18 8/3% (C) 18 2/61% (D) 76 2/3% (E) 17 2/3%
Answer: C
Two persons starting from the same place walk at a rate of 5kmph and 5.5kmph respectively. What time will they take to be 12.5km apart, if they walk in the same direction? Answer Choice: (A) 17 hrs (B) 22 hrs (C) 25 hrs (D) 12 hrs (E) 14 hrs
Answer: C
If n is a positive integer, then n(n-1)(n-2) is +ve even Answer Choice: (A) odd whenever n is odd (B) divisible by 3 only when n is odd (C) divisible by 4 whenever n is even (D) even only when n is odd (E) even only when n is even
Answer: C
In a friendship gang Andrew has 8 gang, in how many ways can he invite one or more of the gang to his house? Answer Choice: (A) 245 (B) 255 (C) 260 (D) 267 (E) 459
Answer: B
What sum of money put at C.I amounts in 2 years to Rs.8820 and in 3 years to Rs.9261? Answer Choice: (A) Rs.8000 (B) Rs.8400 (C) Rs.7500 (D) Rs.7800 (E) None
Answer: A
Find the sum of prime numbers lying between 60 and 72? Answer Choice: (A) 198 (B) 201 (C) 199 (D) 272 (E) None
Answer: C
Workers decided to raise Rs.3lacs by equal contribution from each. Had they contributed Rs.50 eachextra, the contribution would have been Rs.3.25lacs. How many workers were they? Answer Choice: (A) 400 (B) 600 (C) 500 (D) 700 (E) 800
Answer: C
What is the greatest power that 7 can be raised to so that the resulting number is a factor of 21!? Answer Choice: (A) 2 (B) 3 (C) 4 (D) 5 (E) 6
Answer: B
In one hour, a boat goes 11 km/hr along the stream and 5 km/hr against the stream. The speed of the boat in still water (in km/hr) is: Answer Choice: (A) 2kmph (B) 3kmph (C) 8kmph (D) 9kmph (E) 7kmph
Answer: C
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 : Answer Choice: (A) 160 (B) 180 (C) 220 (D) 225 (E) None
Answer: A
If [B] denotes the least integer greater than or equal to B and [B] = 0, which of the following statements must be true? Answer Choice: (A) B = 0 (B) 0 <= B < 1 (C) 0 < B <= 1 (D) -1 < B <= 0 (E) -1 <= B < 0
Answer: D
The average of non-zero number and its square is 5 times the number. The number is: Answer Choice: (A) 9 (B) 7 (C) 8 (D) 5 (E) 3
Answer: A
Pipe A can fill a tank in 6 hours. Due to a leak at the bottom, it takes 9 hours for the pipe A to fill the tank. In what time can the leak alone empty the full tank? Answer Choice: (A) 67 (B) 88 (C) 18 (D) 26 (E) 12
Answer: C
If 7 parallel lines in a plane is intersected by a family of another 8 parallel lines, how many parallelograms are there in the network thus formed? Answer Choice: (A) 588 (B) 263 (C) 120 (D) 160 (E) 1260
Answer: A
The least number which is a perfect square and is divisible by each of the numbers 16,20, and 24, is : Answer Choice: (A) 1600 (B) 3600 (C) 6400 (D) 11400 (E) None of these
Answer: B
In 2triangle, the ratio of the areas is 4:3 and that of their heights is 3:4. Find the ratio of their bases? Answer Choice: (A) 10:8 (B) 11:8 (C) 16:9 (D) 17:19 (E) 17:10
Answer: C
My age is two year more than twice than of Ram. If I am 34 years old, how old is Ram? Answer Choice: (A) 18 (B) 14 (C) 16 (D) 20 (E) 12
Answer: C
The juice stall at the circus stocked just 2 brands of orange juice tetra packs. Brand A costs $1 per pack and brand B costs $1.5 per pack. Last week , brand A contributed to r% of stall’s revenue and accounted for s% of sales of juice tetra packs. Which of the following expresses r in terms of s? Answer Choice: (A) 100s/(150 – s) (B) 200s/(250-s) (C) 200s/(300-s) (D) 250s/(400-s) (E) 300s/(500-s)
Answer: C
In an animal behavior experiment, 50 tagged white pigeons and 300 tagged gray pigeons were released from a laboratory. Within one week, 88 percent of the white pigeons and 80.5 percent of the gray pigeons had returned to the laboratory. What percent of the total number of pigeons returned to the laboratory? Answer Choice: (A) 80.5 (B) 82 (C) 81.75 (D) 85 (E) 86.5
Answer: C
The product of all the prime numbers less than 15 is closest to which of the following powers of 10? Answer Choice: (A) 10^2 (B) 10^4 (C) 10^7 (D) 10^6 (E) 10^5
Answer: A
What is the difference between the compound interests on Rs. 5000 for 1 years at 4% per annum compounded yearly and half-yearly? Answer Choice: (A) Rs. 2.04 (B) Rs. 3.06 (C) Rs. 4.80 (D) Rs. 6.30 (E) Rs. 8.30
Answer: A
What is the smallest number W which when increased by 5 is completely divisible by 8, 11 and 24? Answer Choice: (A) 264 (B) 259 (C) 269 (D) 270 (E) 282
Answer: B
How long does a train 110 m long running at the speed of 72 km/hr takes to cross a bridge 142 m length? Answer Choice: (A) 82.1 sec. (B) 12.6 sec (C) 19.1 sec. (D) 17.1 sec. (E) 42.1 sec.
Answer: B
The sum of three consecutive odd natural numbers, each divisible by 3 is 66. What is the largest among them? Answer Choice: (A) 21 (B) 24 (C) 25 (D) 36 (E) 57
Answer: C
Find the number of ways of arranging the letters of the word "MATERIAL" such that all the vowels in the word are to come together? Answer Choice: (A) 2207 ways (B) 1440 ways (C) 1220 ways (D) 2810 ways (E) 2760 ways
Answer: B
A bike covers a certain distance at the speed of 16km/h in 2 hrs. If the bike was to cover the same distance in approximately 4 hrs, at what approximate speed should the bike travel? Answer Choice: (A) 8 km/h (B) 9 km/h (C) 7 km/h (D) 6 km/h (E) 10 km/h
Answer: A
A snooker tournament charges $40.00 for VIP seats and $15.00 for general admission (“regular” seats). On a certain night, a total of 320 tickets were sold, for a total cost of $7,500. How many fewer tickets were sold that night for VIP seats than for general admission seats? Answer Choice: (A) 212 (B) 200 (C) 220 (D) 230 (E) 240
Answer: A
Mariah has decided to hire three workers. To determine whom she will hire, she has selected a group of 15 candidates. She plans to have one working interview with 3 of the 15 candidates every day to see how well they work together. How many days will it take her to have working interviews with all the different combinations of job candidates? Answer Choice: (A) 720 (B) 120 (C) 300 (D) 360 (E) 333
Answer: D
When divided by 5, x has a remainder of 4 and y has a remainder of 3. Which of the following could be the remainder when x + y is divided by 10? Answer Choice: (A) 6 (B) 7 (C) 8 (D) 9 (E) 0
Answer: B
Brandon has cans of both diet soda as well as regular soda. The ratio of diet soda to regular soda is 3 to 7. He has 12 more cans of soda than diet. How many cans of diet soda does he have left? Answer Choice: (A) 6 (B) 7 (C) 8 (D) 9 (E) 10
Answer: D
Two trains, each 100 m long, moving in opposite directions, cross each other in 8 seconds. If one is moving twice as fast the other, then the speed of the faster train is: Answer Choice: (A) 30 km/hr (B) 45 km/hr (C) 60 km/hr (D) 75 km/hr (E) 65 km/hr
Answer: C
The total marks obtained by a student in Mathematics and Physics is 50 and his score in Chemistry is 20 marks more than that in Physics. Find the average marks scored in Mathamatics and Chemistry together. Answer Choice: (A) 15 (B) 25 (C) 35 (D) 45 (E) 55
Answer: C
What least number must be added to 1056, so that the sum is completely divisible by 23 ? Answer Choice: (A) 2 (B) 4 (C) 6 (D) 8 (E) 10
Answer: A
A number is increased by 40% and then decreased by 40%, the final value of the number is ? Answer Choice: (A) decrease by 13% (B) decrease by 12% (C) decrease by 16% (D) decrease by 14% (E) decrease by 15%
Answer: C
Of the people who responded to a market survey, 150 preferred Brand X and the rest preferred Brand Y. If the respondents indicated a preference for Brand X over Brand Y by ratio of 5 to 1, how many people responded to the survey? Answer Choice: (A) 80 (B) 180 (C) 240 (D) 360 (E) 480
Answer: B
A bag consists of 20 marbles, of which 5 are blue, 7 are red, and the remainder are white. If Lisa is to select a marble from the bag at random, what is the probability that the marble will be red or white? Answer Choice: (A) 3/4 (B) 2/4 (C) 1/4 (D) 1/8 (E) 1/16
Answer: A
Exactly 36% of the numbers in set A are even multiples of 3. If 40% of the even integers in set A are not multiples of 3, what percent of the numbers in set A are not even integers? Answer Choice: (A)  76% (B)  60% (C)  50% (D)  40% (E)  24%
Answer: D
A pump can fill a tank with water in 2 hours. Because of a leak, it took 2 hours to fill the tank. The leak can drain all the water of the tank in: Answer Choice: (A) 4 hours (B) 7 hours (C) 8 hours (D) 14 hours (E) 15 hours
Answer: D
The side of a rhombus is 26 m and length of one of its diagonals is 20 m. The area of the rhombus is? Answer Choice: (A) 127 (B) 297 (C) 266 (D) 480 (E) 435
Answer: D
Given that p is a positive even integer with a positive units digit, if the units digit of p^3 minus the units digit of p^2 is equal to 0, what is the units digit of p + 5? Answer Choice: (A) 7 (B) 8 (C) 9 (D) 10 (E) 11
Answer: E
Walking with 4/5 of my usual speed, I arrive at the bus stop 6 minutes later than normal. How many minutes does it take to walk to the bus stop at my usual speed? Answer Choice: (A) 20 min (B) 22 min (C) 15 min (D) 18 min (E) 24 min
Answer: E
A reduction of 20% in the price of salt enables a lady to obtain 10kgs more for Rs.100, find the original price per kg? Answer Choice: (A) Rs.2.5 (B) Rs.2.7 (C) Rs.2.6 (D) Rs.7.5 (E) Rs.3.5
Answer: A
If Teena is driving at 55 miles per hour and is currently 7.5 miles behind Joe, who is driving at 40 miles per hour in the same direction then in how many minutes will Teena be 30 miles ahead of Joe? Answer Choice: (A) 150 (B) 60 (C) 75 (D) 90 (E) 105
Answer: A
What is the square root of 81? Answer Choice: (A) 2 (B) 8 (C) 12 (D) 9 (E) 16
Answer: D
Bruce and Anne can clean their house in 4 hours working together at their respective constant rates. If Anne’s speed were doubled, they could clean their house in 3 hours working at their respective rates. How many D hours does it currently take Anne to clean the house on her own? Answer Choice: (A) 6 (B) 7 (C) 8 (D) 12 (E) 14
Answer: D
The Malibu Country Club needs to drain its pool for refinishing. The hose they use to drain it can remove 60 cubic feet of water per minute. If the pool is 50 feet wide by 150 feet long by 10 feet deep and is currently at 80% capacity, how long will it take to drain the pool? Answer Choice: (A) 1000 min (B) 1200min (C) 1300 min (D) 1400 min (E) 1600 min
Answer: A
Sam’s car was fined when he gave Joe and Peter a ride, so they decided to help Sam pay the fine. Joe paid $7 more than 1/4 of the fine and Peter paid $7 less than 1/3 of the fine, leaving pay $12 less than 1/2 the fine to complete the payment. What fraction of the fine did Sam pay? Answer Choice: (A) $65 (B) $55 (C) $50 (D) $60 (E) $45
Answer: D
A certain Dark Blue paint contains 40 percent blue pigment and 60 percent red pigment by weight. A certain green paint contains 40 percent blue pigment and 60 percent yellow pigment. When these paints are mixed to produce a brown paint, the brown paint contains 40 percent blue pigment. If the brown paint weighs 10 grams, then the red pigment contributes how many grams of that weight? Answer Choice: (A) 3.5 (B) 4 (C) 4.5 (D) 3 (E) 5
Answer: D
In a sale, a discount of 15% was available on all the articles. If Vinit purchased an article for Rs.4284 in the sale. What was the actual selling price of the article? Answer Choice: (A) Rs.5050 (B) Rs.5000 (C) Rs.5040 (D) Rs.4950 (E) Rs.4870
Answer: C
A certain protective additive increases from 25 days to 30 days the time between required maintenance checks on an industrial vehicle. By what percent is the time between maintenance checks increased by using the additive? Answer Choice: (A) 25% (B) 20% (C) 50% (D) 66 2/3% (E) 75%
Answer: B
Due to construction, the speed limit along an 9-mile section of highway is reduced from 55 miles per hour to 40 miles per hour. Approximately how many minutes more will it take to travel along this section of highway at the new speed limit than it would have taken at the old speed limit ? Answer Choice: (A) A) 5.61 (B) B) 3.69 (C) C) 10 (D) D) 15 (E) E) 24
Answer: B
Solution A is 40% salt and Solution B is 80% salt. If you have 30 ounces of solution A and 60 ounces of solution B, in what ratio could you mix Solution A with Solution B to produce 50 ounces of a 50% salt solution? Answer Choice: (A) 6:4 (B) 6:14 (C) 4:4 (D) 4:6 (E) 3:1
Answer: E
How many integers between 334,700 and 458,600 have tens digit 1 and units digit 3? Answer Choice: (A) 10,300 (B) 10,030 (C) 1,353 (D) 1,352 (E) 1,239
Answer: E
Homer wants to read 2 books from his collection. He has 6 adventure books and 4 horror books. He chooses 2 books randomly and simultaneously. What is the probability that he chose 1 adventure book and 1 horror book? Answer Choice: (A) 16/25 (B) 24/45 (C) 7/8 (D) 12/105 (E) 10/24
Answer: B
A train 600 m long can cross an electric pole in 20 sec and then find the speed of the train? Answer Choice: (A) 87 Kmph (B) 97 Kmph (C) 72 Kmph (D) 28 Kmph (E) 108 Kmph
Answer: E
90% of the labours of a factory is 2700. The total labours of the factory is? Answer Choice: (A) 2900 (B) 3000 (C) 3100 (D) 3050 (E) 2950
Answer: B
The probability of pulling a black ball out of a glass jar is 1/X. The probability of pulling a black ball out of a glass jar and breaking the jar is 1/Y. What is the probability of breaking the jar? Answer Choice: (A) 1/(XY) (B) X/Y (C) Y/X (D) 1/(X+Y) (E) 1/(X-Y)
Answer: B
At a meeting of 10 Chiefs of Staff, the Chief of Naval Operations does not want to sit next to the Chief of the National Guard Bureau. How many ways can the Chiefs of Staff be seated around a circular table? Answer Choice: (A) 263,320 (B) 271,180 (C) 282,240 (D) 291,470 (E) 308,560
Answer: C
In what time will a train 40 m long cross an electric pole, it its speed be 144 km/hr? Answer Choice: (A) 2.5 sec (B) 1.0 sec (C) 7.5 sec (D) 2.3 sec (E) 1.5 sec
Answer: B
John had a stock of 800 books in his bookshop. He sold 62 on Monday, 62 on Tuesday, 60 on Wednesday, 48 on Thursday and 40 on Friday. What percentage of the books were not sold? Answer Choice: (A) 78% (B) 66% (C) 62% (D) 64% (E) 60%
Answer: B
In the first quarter of 2008, Harry's Hardware Store sold 300 hammers and 12,000 nails. In the second quarter of 2008, the store sold 375 hammers and 18,000 nails. By approximately what percent did the ratio of hammers sold to nails sold decrease from the first quarter to the second quarter. Answer Choice: (A) 0.4% (B) 2.1% (C) 2.5% (D) 17% (E) 25%
Answer: D
Avinash covers a distance of 8km in 50 minutes. If he covers 3km distance in 2/5th of time then, What speed should he maintain to cover the remaining distance in the remaining time? Answer Choice: (A) 13 Kmph (B) 14 Kmph (C) 15 Kmph (D) 11 Kmph (E) 10 Kmph
Answer: C