loafeihong/math_mmlu_format huggingface dataset:
John bought 2 shares and sold them for $24 each. If he had a profit of 20% on the sale of one of the shares but a loss of 20% on the sale of the other share, then on the sale of both shares John had Answer Choice: (A) a profit of $10 (B) a profit of $2 (C) a loss of $2 (D) a loss of $10 (E) neither a profit nor a loss
Answer: C
Dan can do a job alone in 12 hours. Annie, working alone, can do the same job in just 9 hours. If Dan works alone for 8 hours and then stops, how many hours will it take Annie, working alone, to complete the job? Answer Choice: (A) 2 (B) 3 (C) 4 (D) 5 (E) 6
Answer: B
The ratio of the radius of two circles is 1: 5, and then the ratio of their areas is? Answer Choice: (A) 1:7 (B) 2:9 (C) 1:25 (D) 3:7 (E) 3:4
Answer: C
10 camels cost as much as 24 horses, 16 horses cost as much as 4 oxen and 6 oxen as much as 4 elephants. If the cost of 10 elephants is Rs.120000, find the cost of a camel? Answer Choice: (A) s.9800 (B) s.3800 (C) s.9800 (D) s.4800 (E) s.6880
Answer: D
A certain car uses 12 gallons of gasoline in traveling 360 miles. In order for the car to travel the same distance using 10 gallons of gasoline, by how many miles per gallon must the car’s gas mileage be increased? Answer Choice: (A) 2 (B) 4 (C) 6 (D) 8 (E) 10
Answer: C
In a group of ducks and cows, the total number of legs are 26 more than twice the no. of heads. Find the total no.of buffaloes. Answer Choice: (A) 11 (B) 12 (C) 13 (D) 16 (E) 18
Answer: C
(((13!)^16)-((13!)^8))/(((13!)^8)+((13!)^4))=a
then what is the units digit for a/((13!)^4)= Answer Choice: (A) 7 (B) 8 (C) 9 (D) 6 (E) 5
Answer: C
Find the value for x from below equation: x/2=-2? Answer Choice: (A) -6 (B) 1 (C) -2 (D) -3 (E) -4
Answer: E
The difference between the length and breadth of a rectangle is 23 m. If its perimeter is 206 m, then its area is: Answer Choice: (A) 1520 m2 (B) 2420 m2 (C) 2480 m2 (D) 2520 m2 (E) None of these
Answer: D
John and Ingrid pay 30% and 40% tax annually, respectively. If John makes $58000 and Ingrid makes $72000, what is their combined tax rate? Answer Choice: (A) 32% (B) 34.4% (C) 35% (D) 35.6% (E) 37.4%
Answer: D
There are 9 executives, including the CEO and CFO, that are asked to form a small team of 4 members. However, the CEO and CFO may not both be assigned to the team. Given this constraint, how many ways are there to form the team? Answer Choice: (A) 97 (B) 99 (C) 101 (D) 103 (E) 105
Answer: E
If x is divisible by 6 and 5, which of the following must divide evenly into x? I. 64 II. 32 III. 15 Answer Choice: (A) I only (B) II only (C) III only (D) II,III only (E) none of these
Answer: C
A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is? Answer Choice: (A) 65 km/hr (B) 50 km/hr (C) 21 km/hr (D) 25 km/hr (E) 76 km/hr
Answer: B
How many numbers between 400 and 1000 can be made with the digits 2,3,4,5,6 and 0? Answer Choice: (A) 30 (B) 60 (C) 90 (D) 120 (E) 150
Answer: B
If there are half as many women as men in a group and an equal number of men and women do not own cars - a group that is 40% of the total. What fraction of the total is women who own cars? Answer Choice: (A) 3⁄20 (B) 11⁄60 (C) 9⁄40 (D) 1⁄5 (E) 2⁄15
Answer: E
The length of a train and that of a platform are equal. If with a speed of 144 k/hr, the train crosses the platform in one minute, then the length of the train (in meters) is? Answer Choice: (A) 757 (B) 758 (C) 718 (D) 1200 (E) 738
Answer: D
If a boat goes 6km upstream in 36 minutes and the speed of the stream is 4 kmph, then the speed of the boat in still water is ? Answer Choice: (A) 10 (B) 11 (C) 12 (D) 13 (E) 14
Answer: E
A train running at the speed of 60 km/hr crosses a pole in 15 sec. What is the length of the train? Answer Choice: (A) 118 (B) 150 (C) 277 (D) 250 (E) 191
Answer: D
The salary of a typist was at first raised by 10% and then the same was reduced by 5%. If he presently draws Rs.6270.What was his original salary? Answer Choice: (A) 6000 (B) 2999 (C) 1000 (D) 2651 (E) 1971
Answer: A
The population of a town increased from 1,75,000 to 2,62,500 in a decade. The average percent increase of population per year is: Answer Choice: (A) 1% (B) 2% (C) 3% (D) 5% (E) 4%
Answer: D
Find the cost of fencing around a circular field of diameter 42 m at the rate of Rs.3 a meter? Answer Choice: (A) 138 (B) 390 (C) 393 (D) 279 (E) 222
Answer: C
The sum of ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the youngest child? Answer Choice: (A) 4 years (B) 6 years (C) 8 years (D) 10 years (E) 12 years
Answer: A
A, B and C rents a pasture for Rs.841. 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? Answer Choice: (A) 270 (B) 279 (C) 276 (D) 261 (E) 262
Answer: D
Find the numbers which are in the ratio 3 : 2 : 4 such that the sum of the first and the second added to the difference of the third and the second is 21 ? Answer Choice: (A) 9, 6, 11 (B) 9, 6, 17 (C) 9, 6, 19 (D) 9, 6, 12 (E) 9, 6, 10
Answer: D
The owner of a furniture shop charges his customer 100% more than the cost price. If a customer paid Rs. 1000 for a computer table, then what was the cost price of the computer table? Answer Choice: (A) 800 (B) 650 (C) 500 (D) 600 (E) 250
Answer: C
Find the unit's digit in 264^102+264^103 Answer Choice: (A) 0 (B) 2 (C) 3 (D) 5 (E) 6
Answer: A
A, B and C play a cricket match. The ratio of the runs scored by them in the match is A:B = 5:3 and B:C = 5:2. If the total runs scored by all of them are 60, the runs scored by B are? Answer Choice: (A) 20.23 (B) 20.13 (C) 30.93 (D) 19.56 (E) 10.93
Answer: D
A boy incurs 5% loss by selling a book for Rs. 1000. At what price should the book be sold to earn 5 % profit? Answer Choice: (A) Rs. 1105.26 (B) Rs. 1251.50 (C) Rs. 1085.13 (D) Rs. 1885.13 (E) None of these
Answer: A
In a store, the profit is 320% of the cost. If the cost increases by 25% but the SP remains constant, approximately what % of the sellingprice is the profit? Answer Choice: (A) 50% (B) 70% (C) 90% (D) 100% (E) 120%
Answer: B
The average of ten numbers is 0. In those 10, at the least, how many may be greater than or equal to zero? Answer Choice: (A) 0 (B) 1 (C) 2 (D) 3 (E) 5
Answer: B
The time taken by a man to row his boat upstream is twice the time taken by him to row the same distance downstream. If the speed of the boat in still water is 57 kmph, find the speed of the stream? Answer Choice: (A) 16 kmph (B) 19 kmph (C) 14 kmph (D) 11 kmph (E) 13 kmph
Answer: B
In the county of Veenapaniville, there are a total of 50 high schools, of three kinds: 25 public schools, 16 parochial schools, and 9 private independent schools. These 50 schools are divided between three districts: A, B, and C. District A has 18 high schools total. District B has 17 high schools total, and only one of those are private independent schools. If District C has an equal number of each of the three kinds of schools, how many private independent schools are there in District A? Answer Choice: (A) 2 (B) 3 (C) 4 (D) 5 (E) 6
Answer: B
An order was placed for the supply of a carper whose length and breadth were in the ratio of 3 : 2. Subsequently, the dimensions of the carpet were altered such that its length and breadth were in the ratio 7 : 3 but were was no change in its parameter. Find the ratio of the areas of the carpets in both the cases. Answer Choice: (A) 8 : 6 (B) 8 : 7 (C) 8 : 8 (D) 8 : 9 (E) 8 : 3
Answer: B
A man walks at a rate of 10 mph. After every ten miles, he rests for 6 minutes. How much time does he take to walk 60 miles? Answer Choice: (A)  300 (B)  318 (C)  322 (D)  324 (E)  390
Answer: E
In one hour a boat goes 18 km long the stream and 6 km against the stream.The speed of the boat in still water is? Answer Choice: (A) 12 (B) 14 (C) 16 (D) 17 (E) 18
Answer: A
A bag contains a certain number of 50 paise coins, 20 paise coins and 10 paise coins inthe ratio 3:4:5. If the total value of all the coins in the bag is Rs.400, find the number of 50 paise coins ? Answer Choice: (A) 498 (B) 488 (C) 428 (D) 528 (E) 418
Answer: C
A shop produces sarongs. The daily average production is given by 5n + 20, where n is the number of workers aside from the owner. In the first k days, 500 units are produced, and then 5 workers are added to the team. After another k days, the cumulative total is 1200. How many workers were part of the latter production run? Answer Choice: (A) A)6 (B) B)14 (C) C)11 (D) D)15 (E) E)23.5
Answer: B
a series of natural number 1+2+3+4+5+6+7+8+9+10 is divisibel by 11 so we has to find how many such series is possible upto n where n is less than 1000. Answer Choice: (A) 90 (B) 99 (C) 180 (D) 96 (E) 92
Answer: C
A company conducted a survey about its two brands, A and B. x percent of respondents liked product A, (x – 20) percent liked product B, 23 percent liked both products, and 23 percent liked neither product. What is the minimum number G of people surveyed by the company? Answer Choice: (A) 46 (B) G=80 (C) G=90 (D) G=100 (E) 200
Answer: D
A firm is divided into four departments, each of which contains four people. If a project is to be assigned to a team of three people, none of which can be from the same department,what is the greatest number of distinct teams to which the project could be assigned? Answer Choice: (A) 4^3 (B) 4^4 (C) 4^5 (D) 6(4^4) (E) 4(3^6)
Answer: B
Working at their respective constant rates, Paul, Abdul and Adam alone can finish a certain work in 3, 4, and 5 hours respectively. If all three work together to finish the work, what fraction M of the work will be done by Adam? Answer Choice: (A)  1/4 (B)  12/47 (C)  1/3 (D)  5/12 (E)  20/47
Answer: B
A car during its journey travels 30 minutes at a speed of 60 kmph, another 45 minutes at a speed of 60 kmph, and 2 hours at a speed of 80 kmph.The average speed of the car is Answer Choice: (A) 63.07 kmph (B) 64 kmph (C) 72.30 kmph (D) 64.02 kmph (E) None of these
Answer: C
What is the greatest of 3 consecutive integers whose sum is 21 ? Answer Choice: (A) 6 (B) 7 (C) 8 (D) 9 (E) 5
Answer: C
5357 x 51 = ? Answer Choice: (A) 273232 (B) 273243 (C) 273247 (D) 273250 (E) 273207
Answer: E
Equal weights of two alloys containing tin, copper and lead in the ratio 6:8:7 and 1:2:4 are melted and mixed together. What is the ratio of tin, copper and lead in the resultant alloy? Answer Choice: (A) 11:8:3 (B) 3:1:8 (C) 17:28:27 (D) 9:4: 11 (E) 9:14: 11
Answer: E
Which of the following fraction is the smallest? Answer Choice: (A) 12/14 (B) 13/19 (C) 17/21 (D) 7/8 (E) None of these
Answer: B
At the end of three years what will be the compound interest at the rate of 10% p.a. on an amount of Rs.20000? Answer Choice: (A) 6620 (B) 3277 (C) 2688 (D) 2998 (E) 2789
Answer: A
A man covers a certain distance by car driving at 30 km/hr and he returns back to the starting point riding on a scooter at 10 km/hr. Find his average speed for the whole journey. Answer Choice: (A) 8 Km/hr (B) 17 Km/hr (C) 15 Km/hr (D) 12 km/hr (E) None of these
Answer: C
Four car rental agencies A, B, C and D rented a plot for parking their cars during the night. A parked 15 cars for 12 days, B parked 12 cars for 20 days, C parked 18 cars for 18 days and D parked 16 cars for 15 days. If A paid Rs. 1125 as rent for parking his cars, what is the total rent paid by all the four agencies? Answer Choice: (A) 2388 (B) 2778 (C) 1279 (D) 6150 (E) 2771
Answer: D
A sum of money at simple interest amounts to Rs. 830 in 3 years and to Rs. 854 in 4 years. The sum is: Answer Choice: (A) 647 (B) 698 (C) 758 (D) 847 (E) 976
Answer: C
Thirty percent of the members of a swim club have passed the lifesaving test. Among the members who havenotpassed the test, 5 have taken the preparatory course and 30 have not taken the course. How many members are there in the swim club? Answer Choice: (A)  60 (B)  80 (C)  50 (D)  120 (E)  140
Answer: C
A company pays project contractors a rate of a dollars for the first hour and b dollars for each additional hour after the first, where a > b.
In a given month, a contractor worked on two different projects that lasted 6 and 8 hours, respectively. The company has the option to pay for each project individually or for all the projects at the end of the month. Which arrangement would be cheaper for the company and how much would the company save? Answer Choice: (A) Per month, with savings of $(5a + 5b) (B) Per month, with savings of $(5a - 5b) (C) The two options would cost an equal amount. (D) Per project, with savings of $(5a + 5b) (E) Per project, with savings of $(5a - 5b)
Answer: B
A rectangular field is to be fenced on three sides leaving a side of 30 feet uncovered. If the area of the field is 720 sq. feet, how many feet of fencing will be required? Answer Choice: (A) 78 (B) 40 (C) 68 (D) 88 (E) None
Answer: A
Car Z travels 45 miles per gallon of gasoline when driven at a constant rate of 45 miles per hour, but travels 20 percent fewer miles per gallon of gasoline when driven at a constant rate of 60 miles per hour. How many miles does car Z travel on 10 gallons of gasoline when driven at a constant rate of 60 miles per hour? Answer Choice: (A) 320 (B) 360 (C) 400 (D) 408.3 (E) 440
Answer: B
Two cyclist start on a circular track from a given point but in opposite direction with speeds of 7m/s and 8m/s. If the circumference of the circle is 180meters, after what time will they meet at the starting point? Answer Choice: (A) 20sec (B) 12sec (C) 30sec (D) 50sec (E) 1min
Answer: B
5 skilled workers can build a wall in 20days; 8
semi-skilled workers can build a wall in 25 days; 10
unskilled workers can build a wall in 30days. If a te
am has 2 skilled, 6 semi-skilled and 5 unskilled
workers, how long will it take to build the wall? Answer Choice: (A) 15days (B) 16days (C) 14days (D) 18days (E) 17days
Answer: A
Twenty coins are tossed simultaneously. In how many of the outcomes will the third coin turn up a head? Answer Choice: (A) 2^19 (B) 2^10 (C) 3 * 2^8 (D) 3 * 2^9 (E) 3 * 2^10
Answer: A
The manufacturing cost of a shoe is Rs.180 and the transportation lost is Rs.500 for 100 shoes. What will be the selling price if it is sold at 20% gains Answer Choice: (A) Rs 222 (B) Rs 216 (C) Rs 220 (D) Rs 210 (E) Rs 217
Answer: A
Shopkeeper rise price by 33% and gives successive discount of 10% and 15%. What is overall % gain or loss? Answer Choice: (A) 1.745% (B) 4.745% (C) 3.745% (D) 6.745% (E) 7.745%
Answer: A
A relay race covers 1 1/2 miles,and each runner on a team will run 1/4 of a mile. How many runners are needed for a team? Answer Choice: (A) 9 (B) 6 (C) 3 (D) 10 (E) 4
Answer: B
Today Jennifer, who is 30 years old, and her daughter, who is 6 years old, celebrate their birthdays. How many years will pass before Jennifer’s age is twice her daughter’s age? Answer Choice: (A) 18 (B) 20 (C) 22 (D) 24 (E) 25
Answer: A
A 3-digit positive integer consists of non zero digits. If exactly two of the digits are the same, how many such integers are possible? Answer Choice: (A) 72 (B) 144 (C) 216 (D) 283 (E) 300
Answer: C
There were 35 students in a hostel. Due to the admission of 7 new students, ;he expenses of the mess were increased by Rs. 42 per day while the average expenditure per head diminished by Rs 1. Wbat was the original expenditure of the mess? Answer Choice: (A) 320 (B) 120 (C) 400 (D) 420 (E) 514
Answer: D
How many odd numbers are possible between 1 to 10000000? find out the number of odd number of digits? Answer Choice: (A) 2999 (B) 3500 (C) 4000 (D) 4599 (E) 4999999
Answer: E
A train of length L is traveling at a constant velocity and passes a pole in t seconds. If the same train travelling at the same velocity passes a platform in 3.5t seconds, then what is the length of the platform? Answer Choice: (A) 0.5L (B) 1.5L (C) 2.5L (D) 3.5L (E) 4.5L
Answer: C
In how many days does B alone complete the work
1. B and C together can complete the work in 8 days
2. A and B together can complete the work in 12 days Answer Choice: (A) Statement 1 alone is sufficient (B) Statement 2 alone is sufficient (C) Statement 1 and 2are sufficient (D) Statement 1 and 2are not sufficient (E) None of these
Answer: D
A project scheduled to be carried out over a single fiscal year has a budget of $12,600, divided into12 equal monthly allocations. At the end of the fourth month of that fiscal year, the total amount actually spent on the project was $5,580. By how much was the project over its budget? Answer Choice: (A)  $380 (B)  $540 (C)  $1,050 (D)  $1,380 (E)  $1,430
Answer: D
A student's mark was wrongly entered as 83 instead of 63. Due to that the average marks for the class got increased by 1/2. What is the number of students in the class? Answer Choice: (A) 20 (B) 30 (C) 10 (D) 40 (E) 50
Answer: D
The length of a rectangle is halved, while its breadth is tripled. Wat isthe % change in area? Answer Choice: (A) 20% (B) 40% (C) 50% (D) 60% (E) 70%
Answer: C
In 1998 the profits of company N were 10 percent of revenues. In 1999, the revenues of company N fell by 20 percent, but profits were 10 percent of revenues. The profits in 1999 were what percent of the profits in 1998? Answer Choice: (A) 80% (B) 105% (C) 120% (D) 124.2% (E) 138%
Answer: A
Can you solve it?
2+3=8,
3+7=27,
4+5=32,
5+8=60,
6+7=72,
7+8=?? Answer Choice: (A) 68 (B) 78 (C) 88 (D) 98 (E) 56
Answer: D
If x and y are positive integers, and 3x^2=3y, then which of the following must be a multiple of 9?
I. x^2
II. y^2
III. xy Answer Choice: (A) I only (B) II only (C) III only (D) I and II only (E) I, II and III
Answer: A
Find the unit's digit in (264)^102 + (264)^103 Answer Choice: (A) 4 (B) 1 (C) 5 (D) 0 (E) 2
Answer: D
The current of a stream runs at the rate of 4 kmph. A boat goes 6 km and back to the starting point in 2 hours, then find the speed of the boat in still water? Answer Choice: (A) 7 (B) 2 (C) 8 (D) 6 (E) 3
Answer: C
For which of the following does g(a)−g(b)=g(a−b) for all values of a and b? Answer Choice: (A) g(x)=x^2 (B) g(x)=x/2 (C) g(x)=x+5 (D) g(x)=2x−1 (E) g(x)=|x|
Answer: B
Find the simple interest on Rs.500 for 9 months at 6 paisa per month? Answer Choice: (A) Rs.345 (B) Rs.270 (C) Rs.275 (D) Rs.324 (E) Rs.300
Answer: B
The cost price of 13 articles is equal to the selling price of 11 articles. Find the profit percent? Answer Choice: (A) 18 2/17 (B) 18 2/11 (C) 18 2/15 (D) 18 2/19 (E) 18 2/12
Answer: B
3+33+333+3.33=? Answer Choice: (A) 362.33 (B) 372.33 (C) 702.33 (D) 702 (E) None of them
Answer: B
How long will it take for a sum of money to grow from Rs.1250 to Rs.10,000, if it is invested at 12.5% p.a simple interest? Answer Choice: (A) 38 (B) 56 (C) 22 (D) 088 (E) 11
Answer: B
If the operation Ø is defined for all positive integers x and w by x Ø w = (2^x)/(2^w) then (3 Ø 1) Ø 2 = ? Answer Choice: (A) 2 (B) 4 (C) 8 (D) 16 (E) 32
Answer: B
The profit obtained by selling an article for Rs. 66 is the same as the loss obtained by selling it for Rs. 52. What is the cost price of the article? Answer Choice: (A) Rs. 40 (B) Rs. 50 (C) Rs. 49 (D) Rs. 59 (E) None of these
Answer: D
If 13 = 13w/(1-w) ,then (2w)2 = Answer Choice: (A) 1/4 (B) 1/2 (C) 1 (D) 2 (E) 3
Answer: D
If a*b*c=130, b*c*d = 65, c*d*e=750 and d*e*f=250 the (a*f)/(c*d) = ? Answer Choice: (A) 1/2 (B) 2/3 (C) 3/4 (D) 4/3 (E) None of these
Answer: B
A can do a piece of work in 7 days of 9 hours each and B alone can do it in 6 days of 7 hours each.how long will they take it to do working together
8 2/5 hours a day? Answer Choice: (A) 3 days (B) 4 days (C) 5 days (D) 6 days (E) 7 days
Answer: A
Find value of x from given equation 2x + 1 = -17 Answer Choice: (A) -8 (B) -9 (C) -7 (D) 7 (E) 6
Answer: B
For any integer k greater than 1, the symbol k* denotes the product of all integers between 1 and k, inclusive. If k* is a multiple of 1701 what is the least possible value of k? Answer Choice: (A) 8 (B) 10 (C) 12 (D) 14 (E) 16
Answer: C
A, B, K start from the same place and travel in the same direction at speeds of 30 km/hr, 40 km/hr, 100 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? Answer Choice: (A) 4.2 (B) 4.8 (C) 5.6 (D) 6.4 (E) 7.2
Answer: C
What is the solution of the equations x - y = 10 and (x + y)-1 = 2 ? Answer Choice: (A) x = 3.2, y = 2.3 (B) x = 5.25, y = 4.75 (C) x = 2, y = 1.1 (D) x = 1.2, y = 0.3 (E) None
Answer: B
The sum of the ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the youngest child? Answer Choice: (A) 4 years (B) 8 years (C) 10 years (D) None of these (E) 15 years
Answer: A
If X+Y = 2X-2Z, X-2Y = 4Z and X+Y+Z = 21, what is the value of Y/Z? Answer Choice: (A) -4.5. (B) -2. (C) -1.7. (D) 3. (E) 2.5.
Answer: C
A garrison of 150 men has provisions for 31 days. At the end of 16 days, a reinforcement arrives, and it is now found that the provisions will last only for 5 days more. What is the reinforcement? Answer Choice: (A) 150 (B) 450 (C) 400 (D) 600 (E) 300
Answer: E
The probability that a convenience store has no iced tea is 50%. If Karl is stopping by 2 convenience stores on his way to work, what is the probability thatat least oneof the stores will not have a can of iced tea? Answer Choice: (A) 1/8 (B) 1/4 (C) 1/2 (D) 3/4 (E) 7/8
Answer: D
The length of the bridge, which a train 130 meters long and travelling at 45 km/hr can cross in 30 seconds, is? Answer Choice: (A) 267 m (B) 256 m (C) 245 m (D) 627 m (E) 167 m
Answer: C
A searchlight on top of the watch-tower makes 3 revolutions per minute. What is the probability that a man appearing near the tower will stay in the dark for at least 5 seconds? Answer Choice: (A) 1/4 (B) 1/3 (C) 1/2 (D) 2/3 (E) 3/4
Answer: E
A and B working saperately can do a piece of work in 12 and 18 hours respectively. If they work for 6 hour alternately with B beginning, in how many hours will the work be completed? Answer Choice: (A) 9 hours (B) 15 hours (C) 13 ½ hours (D) 12 ½ hours (E) 16 hours
Answer: B
At the end of a business conference, ten people present shake hands with each other once. How many handshakes will be there all together? Answer Choice: (A) 20 (B) 45 (C) 55 (D) 90 (E) None
Answer: B
What is the smallest of six consecutive odd integers whose average (arithmetic mean) is c + 2? Answer Choice: (A) c - 5 (B) c - 3 (C) c- 1 (D) c (E) c + 1
Answer: B
A relay has a series of 5 circuits in a line. The even-numbered circuits are control circuits; the odd are buffer circuits. If both a control circuit and the buffer circuit immediately following it both fail in that order, then the relay fails. The probability of circuit one failing is 3/8; circuit two, 1/9; circuit three, 3/10; circuit four, 3/4; and circuit five, 2/5 .What is the probability that the relay fails? Answer Choice: (A) 9/80 (B) 3/10 (C) 303/800 (D) 97/300 (E) 497/800
Answer: D
A train 240 m long passed a pole in 24 sec. How long will it take to pass a platform 650 m long? Answer Choice: (A) 65 sec (B) 89 sec (C) 100 sec (D) 150 sec (E) 250 sec
Answer: B
Which of the following does NOT have a divisor greater than 1 that is the square of an integer? Answer Choice: (A) 28 (B) 32 (C) 49 (D) 62 (E) 25
Answer: D
A 340-liter solution of Kola is made from 88% water, 5% concentrated Kola and the rest is made from sugar. If 3.2 liters of sugar, 10 liter of water and 6.8 liters of concentrated Kola were added to the solution, what percent of the solution is made from sugar? Answer Choice: (A) 6%. (B) 7.5%. (C) 9.2%. (D) 10.5%. (E) 11%.
Answer: B
7 men, 5 women and 8 children were given as assignment of distributing 2000 books to students in a school over a period of 3 days. All of them distributed books on the 1st day. One of the 2nd day 2 women and 3 children remained absent and on the 3rd day 3 men and 5 children remained absent. If the ratio of the no. of books distributed in a day by a man, a woman & a child was 5 : 4 : 2 respectively, a total of approximately how many books were distributed on the second day? Answer Choice: (A) 340 (B) 450 (C) 600 (D) 650 (E) 700
Answer: D
-24*29+1240=? Answer Choice: (A) -544 (B) 584 (C) 544 (D) 345 (E) None of these
Answer: C
In how many ways can a group of 5 men and 2 women be made out of a total of 7 men and 3 women? Answer Choice: (A) 14 (B) 25 (C) 63 (D) 74 (E) 36
Answer: C