loafeihong/math_mmlu_format huggingface dataset:
Tough and Tricky questions: Statistics.
Set X consists of prime numbers {3, 11, 7, A, 17, 19}. If integer Y represents the product of all elements in set X and if 11Y is an even number, what is the range of set X? Answer Choice: (A)  14 (B)  16 (C)  17 (D)  20 (E)  26
Answer: C
A paper is in a square form whose one side is 20 cm. Two semi circles are drawn on its opposites as diameters. If these semi circles are cut down what is the area of the remaining paper? Answer Choice: (A) (400 - 100π) cm2 (B) (400 - 2π) cm2 (C) (400 – 200π) cm2 (D) 200π cm2 (E) None of these
Answer: A
A restaurant meal cost $34.50 and there was no tax. If the tip was more than 10 percent but less than 15 percent of the cost of the meal, then total amount paid must have been between: Answer Choice: (A) $40 and $42 (B) $39 and $41 (C) $38 and 40 (D) $37 and $39 (E) $36 and $37
Answer: C
The ratio of two numbers is 3:4 and their sum is 28. The greater of the two numbers is? Answer Choice: (A) 12 (B) 16 (C) 18 (D) 19 (E) 20
Answer: B
The sum of three consecutive even numbers is 42. Find the middle number of the three? Answer Choice: (A) 14 (B) 16 (C) 18 (D) 24 (E) 34
Answer: A
Mohit sold an article for Rs. 18000. Had he offered a discount of 25% on the selling price, he would have earned a profit of 8%. What is the cost price of the article? Answer Choice: (A) 12500 (B) 27767 (C) 16688 (D) 26678 (E) 19987
Answer: A
An empty pool being filled with water at a constant rate takes 3hours to fill to 3/5 of its capacity.how much more time will it take to finish filling the pool? Answer Choice: (A) 5hr 30min (B) 5hr 20min (C) 4hr 48min (D) 3 hr 12min (E) 2hr 40 min
Answer: E
The first flight out of Phoenix airport had a late departure. If the next three flights departed on-time, how many subsequent flights need to depart from Phoenix on-time, for the airport's on-time departure rate to be higher than 80%? Answer Choice: (A) 6 (B) 7 (C) 9 (D) 10 (E) 11
Answer: A
Average of 8 numbers is zero. At most how many numbers may be greater than zero Answer Choice: (A) 0 (B) 7 (C) 5 (D) 6 (E) 10
Answer: B
Sachin is younger than Rahul by 6 years. If the ratio of their ages is 7:9, find the age of Sachin Answer Choice: (A) 24.58 (B) 14 (C) 15 (D) 24.9 (E) 24.1
Answer: C
Which of the following could be the sum of the reciprocals of two prime numbers? Answer Choice: (A) 7/13 (B) 11/12 (C) 11/30 (D) 23/50 (E) 14/33
Answer: E
If KING is coded as 17 and MASS is coded as 29 Then DOG is coded as Answer Choice: (A) 21 (B) 20 (C) 19 (D) 29 (E) None
Answer: D
If 3x+y=40, 2x-y=20, for integers of x and y, y^2=? Answer Choice: (A) 2 (B) 4 (C) 0 (D) 16 (E) 3
Answer: D
Two dice are thrown together .What is the probability that the sum of the number on the two faces is divided by 4 or 6 Answer Choice: (A) 7/9 (B) 7/5 (C) 7/18 (D) 4/7 (E) 2/7
Answer: C
The average of nine numbers is 15. The average of first four numbers is 11 and the average of last four numbers is 14. What is the middle number? Answer Choice: (A) 19 (B) 20 (C) 35 (D) 31 (E) 27
Answer: C
Machine A takes 50 hours to complete a certain job and starts that job at 6AM. After four hour of working alone, machine A is joined by machine B and together they complete the job at 1PM. How long would it have taken machine B to complete the job if it had worked alone for the entire job? Answer Choice: (A) 9 (B) 88.88 (C) 4.88 (D) 2.88 (E) 3.88
Answer: E
Mother is aged three times more than her daughter Rose. After 8 years, she would be two and a half times of Rose's age. After further 8 years, how many times would he be of Rose's age? Answer Choice: (A) A)15 (B) B)2 (C) C)20 (D) D)21 (E) E)26
Answer: B
If the average (arithmetic mean) of a list of numbers is 12 and the standard deviation of that list of numbers is 1.3, then which of the following numbers is more than two standard deviations from the mean?
I. 13.7
II. 12.3
III. 9.3 Answer Choice: (A) I only (B) I and II only (C) II only (D) III only (E) I and III only
Answer: D
How many ways can 8 friends be arranged around a circular dinner table? Answer Choice: (A) 1280 (B) 2460 (C) 5040 (D) 40320 (E) 85670
Answer: C
An uneducated retailer marks all his goods at 55% above the cost price and thinking that he will still make 25% profit, offers a discount of 25% on the marked price. What is his actual profit on the sales? Answer Choice: (A) 12.50 % (B) 13.50 % (C) 14 % (D) 14.50 % (E) None
Answer: E
A and B start a business with Rs.6000 and Rs.18000 respectively. Hoe should they share their profits at the end of one year? Answer Choice: (A) 3:5 (B) 3:4 (C) 3:1 (D) 1:3 (E) 3:9
Answer: D
If f(x) = 12 - x^2/2 and f(2k) = 4k, what is one possible value for k? Answer Choice: (A) 2 (B) 3 (C) 4 (D) 6 (E) 8
Answer: C
Two pipes A and B can fill a cistern in 12 and 15 minutes respectively. Both are opened together but after 2 minutes A is turned off. After how much more time will the cistern be filled? Answer Choice: (A) 8 1/7 (B) 8 1/1 (C) 8 1/4 (D) 10 1/2 (E) 8 3/7
Answer: D
If MADRAS can be written as NBESBT, how can BOMBAY be written in that code ? Answer Choice: (A) DHHIIIY (B) CPNCBZ (C) SYUOKJ (D) SUOOHH (E) WUHSW
Answer: B
There are two sets A and B. The range of set A is 7, and the range of set B is 13. If the two sets are combined and get a new set Y, which cannot be the range of the set Y? Answer Choice: (A) 8 (B) B.11 (C) C.14 (D) D.17 (E) E.21
Answer: B
Find the face value of 6 in 654321 Answer Choice: (A) 6 (B) 60000 (C) 600 (D) 6000000 (E) 6000
Answer: A
If an object travels at eight feet per second, how many feet does it travel in one hour? Answer Choice: (A) 34880 (B) 3778 (C) 12788 (D) 18000 (E) 28800
Answer: E
Two pipes A and B can separately fill a cistern in 10 and 15 minutes respectively. A person opens both the pipes together when the cistern should have been was full he finds the waste pipe open. He then closes the waste pipe and in another 4 minutes the cistern was full. In what time can the waste pipe empty the cistern when fill? Answer Choice: (A) 7 (B) 9 (C) 5 (D) 4 (E) 8
Answer: E
Two trains, one from Howrah to Patna and the other from Patna to Howrah, start simultaneously. After they meet, the trains reach their destinations after 9 hours and 64 hours respectively. The ratio of their speeds is? Answer Choice: (A) 4:5 (B) 8:3 (C) 8:4 (D) 4:8 (E) 4:1
Answer: B
Find the area of a parallelogram with base 15 cm and height 40 cm? Answer Choice: (A) 200 cm2 (B) 100 cm2 (C) 42 cm2 (D) 600 cm2 (E) 230 cm2
Answer: D
The area of a triangle is with base 8m and height 4m? Answer Choice: (A) 88 m2 (B) 10 m2 (C) 16 m2 (D) 77 m2 (E) 31 m2
Answer: C
What approximate value should come in place of the question mark (?) in the following equation ?
4⁄7 of 1596 + 3015 = ? – 2150 Answer Choice: (A) 7200 (B) 48000 (C) 5300 (D) 58000 (E) 6070
Answer: E
If a portion of a half water/half alcohol mix is replaced with 25% alcohol solution, resulting in a 30% alcohol solution, what percentage of the original alcohol was replaced? Answer Choice: (A) 3% (B) 20% (C) 66% (D) 75% (E) 80%
Answer: E
A school’s annual budget for the purchase of student computers increased by 50% this year over last year. If the price of student computers increased by 20% this year, then the number of computers it can purchase this year is what percent greater than the number of computers it purchased last year? Answer Choice: (A) 33.33% (B) 40% (C) 25% (D) 28% (E) 60%
Answer: C
A sells an article to B at a profit of 10% B sells the article back to A at a loss of 10%. In this transaction: Answer Choice: (A) A neither losses nor gains (B) A makes a profit of 11% (C) A makes a profit of 20% (D) B loses 20% (E) None of these
Answer: B
If the sides of a triangle are 65 cm, 60 cm and 25 cm, what is its area? Answer Choice: (A) 350 cm^2 (B) 850 cm^2 (C) 550 cm^2 (D) 750 cm^2 (E) 650 cm^2
Answer: D
If TIER is written as 8163 and BRAIN is written as 23415, how is RENT coded ? Answer Choice: (A) 3653 (B) 3658 (C) 2977 (D) 2790 (E) 2711
Answer: B
From a pack of cards two cards are drawn one after the other, with replacement. The probability that the first card is a queen and the second card is a jack is? Answer Choice: (A) 1/169 (B) 1/52 (C) 1/26 (D) 1/120 (E) 1/4
Answer: A
List I: 15, 12, 17, 20 List II: x,15, 12, 17, 20 Answer Choice: (A) 15 (B) 16 (C) 20 (D) 22 (E) 24
Answer: B
How many prime numbers F exist such that 90 < F < 106 and F is a factor of 99999919? Answer Choice: (A) 1. Zero (B) 2. One (C) 3. Two (D) 4. Three (E) 5. More than three
Answer: C
If x and y are positive integers, and x^3*y^4 = 648, which of the following is the value of xy? Answer Choice: (A) 2 (B) 4 (C) 6 (D) 8 (E) 10
Answer: C
Abhijit started a business investing 70000. Anuja joined him after 4 months with an amount of 105000 and Sunil joined them with 1.4 lakhs after another six months. The amount of profit earned should be distributed in what ratio among Abhijit, Anuja and Sunil respectively, three years after Abhijit started the business? Answer Choice: (A) 9: 13: 26 (B) 9 :12 :13 (C) 8 :14: 24 (D) 12:14:16 (E) 8 :15: 12
Answer: B
There are 10 points on a circle. A hexagon can be formed by linking 8 of the 10 points. How many such hexagons are possible? Answer Choice: (A) 45 (B) 120 (C) 200 (D) 210 (E) 600
Answer: A
A certain bus driver is paid a regular rate of $16 per hour for any number of hours that does not exceed 40 hours per week. For any overtime hours worked in excess of 40 hours per week, the bus driver is paid a rate that is 75% higher than his regular rate. If last week the bus driver earned $1004 in total compensation, how many total hours did he work that week? Answer Choice: (A) 36 (B) 40 (C) 44 (D) 48 (E) 53
Answer: E
Three friends, returning from a movie, stopped to eat at a restaurant. After dinner, they paid their bill and noticed a bowl of mints at the front counter. Sita took one-third of the mints, but returned four because she had a momentary pang of guilt. Fatima then took one-fourth of what was left but returned three for similar reason. Eswari then took half of the remainder but threw two back into the bowl. The bowl had only 17 mints left when the raid was over. How many mints were originally in the bowl? Answer Choice: (A) 38 (B) 31 (C) 41 (D) None of these (E) Cannot be determined
Answer: D
How many liters of water must be evaporated from 50 liters of a 4-percent sugar solution to get a 10-percent solution? Answer Choice: (A) 30 (B) 32 (C) 34 (D) 36 (E) 38
Answer: A
A batsman makes a score of 64 runs in the 16th innings and thus increased his average by 3. Find his average after the 16th inning? Answer Choice: (A) 17 (B) 21 (C) 22 (D) 23 (E) 24
Answer: A
In a certain furniture store, each week Nancy earns a salary of $240 plus 5% of the amount of her total sales that exceeds $800 for the week. If Nancy earned a total of $450 one week, what were her total sales that week ? Answer Choice: (A) $2,200 (B) $3,450 (C) $4,200 (D) $4,250 (E) $5,000
Answer: E
If B + A < B - A < A - B, which of the following is correct? Answer Choice: (A) A<B<0 (B) B<A<0 (C) B<0<A (D) 0<B<A. (E) B>A>0.
Answer: B
80,873,72,72,64,81,56,? Answer Choice: (A) 96 (B) 98 (C) 89 (D) 90 (E) 88
Answer: D
What is the sum of all the numbers between 300 and 1000 which are divisible by 179? Answer Choice: (A) 2506 (B) 2550 (C) 2450 (D) 3000 (E) 3500
Answer: A
A table is bought for Rs.600/- and sold at a loss of 12% find its selling price Answer Choice: (A) s.500/- (B) s.530/- (C) s.528/- (D) s.600/- (E) s.700/-
Answer: C
Two Equal Amounts of Money are lent out at 6% and 5 % simple Interest respectively at the same time. The former is recovered two years earlier than the latter and the amount so recovered in each case is Rs.2800. Determine the amount that is lent out? Answer Choice: (A) 3348 (B) 368 (C) 37077 (D) 1750 (E) 2701
Answer: D
Three sets of 40, 50 and 60 students appeared for an examination and the pass percentage was 50, 90 and 75 respectively. the pass percentage of the whole set is Answer Choice: (A) 73.33% (B) 73.44% (C) 74.33% (D) 85.33% (E) 71.33%
Answer: A
For 600 km journey it will take 8hrs, if 120 km is done by bus and the rest by car. It takes 20 minutes more, if 200 km is done by busand the rest by car. The ratio of the speed of the train to that of the cars is? Answer Choice: (A) 1:2 (B) 3 : 4 (C) 1:4 (D) 2:5 (E) 3:7
Answer: B
the sum of 4th and 20th term of A.P. is equal to the sum of 8th , 15th and 12 th term . find the term which is 0 Answer Choice: (A) 10 (B) 7 (C) 11 (D) 5 (E) 3
Answer: C
Train A & B leave from same station and reaches same destination but train A leaves half an after Train B & travels 2 times faster than B. Total distance is 100 miles & train B travels 50 miles/hour. Which train reaches the destination first & what is the time difference between the train Answer Choice: (A) Train A reaches 30 minutes before Train B (B) Train B reaches 30 minutes before Train A (C) Train A reaches 60 minutes before Train B (D) Train B reaches 60 minutes before Train A (E) None of the above
Answer: A
Seven children â€” A, B, C, D, E, F, and G â€” are going to sit in seven chairs in a row. The children C & F have to sit next to each other, and the others can sit in any order in any remaining chairs. How many possible configurations are there for the children? Answer Choice: (A) 600 (B) 720 (C) 1440 (D) 4320 (E) 4800
Answer: C
Find the odd man out. 18, 27, 36, 38, 45 Answer Choice: (A) 18 (B) 27 (C) 36 (D) 45 (E) 38
Answer: E
If 222 = 6
333 = 12
444 = 20
Then, 555 = ?? Answer Choice: (A) 30 (B) 35 (C) 40 (D) 45 (E) 50
Answer: A
A room is 15m long, 4m broad and 3m height. Find the cost of white washing its four walls at 50p per m2 ? Answer Choice: (A) 28 (B) 57 (C) 58 (D) 83 (E) 73
Answer: B
If a2 + b2 + c2 = 281 and ab + bc + ca =4, then a + b + c is Answer Choice: (A) 16 (B) 18 (C) 22 (D) 17 (E) 20
Answer: D
Of all the students in a certain dormitory, 1/2 are first-year students and the rest are second-year students. If 4/5 of the first-year students have not declared a major and if the fraction of second-year students who have declared a major is 2 times the fraction of first-year students who have declared a major, what fraction of all the students in the dormitory are second-year students who have not declared a major? Answer Choice: (A) 1/15 (B) 1/5 (C) 4/15 (D) 3/10 (E) 2/5
Answer: D
How many integers between 400 and 1000 are there such that their unit digit is odd? Answer Choice: (A) 250 (B) 150 (C) 300 (D) 400 (E) 450
Answer: C
Divide $450 among A,B in the ratio 1:4. How many $ that A get? Answer Choice: (A) $90 (B) $500 (C) $150 (D) $250 (E) $600
Answer: A
If 16,666 – n is divisible by 11, and 0 < n < 11, what is n? Answer Choice: (A) 1 (B) 3 (C) 5 (D) 7 (E) 9
Answer: A
If 3f+ 1 < 2f < 9 - f, which of the following must be true?
I. -1 < f < 3
II. f < -1
III. f < 3 Answer Choice: (A)  II only (B)  III only (C)  I and II only (D)  II and III only (E)  I, II and III
Answer: A
((1^m)/(5^m))((1^16)/(4^16)) = 1/(2(10)^31)
What is m? Answer Choice: (A) 17 (B) 18 (C) 34 (D) 31 (E) 36
Answer: D
Two trains 150 m and 160 m long run at the speed of 60 km/hr and 40 km/hr respectively in opposite directions on parallel tracks. The time which they take to cross each other is? Answer Choice: (A) 10.7 (B) 10.9 (C) 10.26 (D) 11.16 (E) 18.8
Answer: D
How many positive integers less than 60 are equal to the product of a positive multiple of 5 and an even number? Answer Choice: (A) 4 (B) 5 (C) 9 (D) 10 (E) 11
Answer: B
In what time will a train 120 m long cross an electric pole, it its speed be 185 km/hr? Answer Choice: (A) 2.3 sec (B) 2.9 sec (C) 2.7 sec (D) 8.7 sec (E) 8.5 sec
Answer: A
How many positive three-digit integers are divisible by both 2 and 7? Answer Choice: (A) 40 (B) 46 (C) 52 (D) 64 (E) 70
Answer: D
A bank offers an interest of 5% per annum compounded annually on all its deposits. If $10,000 is deposited, what will be the ratio of the interest earned in the 4th year to the interest earned in the 5th year? Answer Choice: (A) 1:5 (B) 625:3125 (C) 100:105 (D) 100^4:105^4 (E) 725:3225
Answer: C
There are 300 employees in a room. 99% are managers. How many managers must leave the room to bring down the percentage of managers to 98%? Answer Choice: (A) 200 (B) 175 (C) 150 (D) 125 (E) 100
Answer: C
The area of a square garden is Q square feet and the perimeter is P feet. If Q=P+21, what is the perimeter of the garden in feet? Answer Choice: (A) 24 (B) 28 (C) 32 (D) 36 (E) 40
Answer: B
In a forest 10 rabbits were caught, tagged with electronic markers, then released. A month later, 10 rabbits were captured in the same forest. Of these 10 rabbits, it was found that 2 had been tagged with the electronic markers. If the percentage of tagged rabbits in the second sample approximates the percentage of tagged rabbits in the forest, and if no rabbits had either left or entered the forest over the preceding month, what is the approximate number of rabbits in the forest? Answer Choice: (A) 150 (B) 70 (C) 50 (D) 1,500 (E) 500
Answer: C
A and B started a business with initial investments in the ratio 14 : 15 and their annual profits were in the ratio 7 : 6. If A invested the money for 10 months, for how many months did B invest his money? Answer Choice: (A) 2 (B) 4 (C) 6 (D) 8 (E) 9
Answer: D
Sum of 3 consecutive even no.'s is 34 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: D
A, B and C enter into partnership. A invests some money at the beginning, B invests double the amount after 6 months, and C invests thrice the amount after 8 months. If the annual gain be Rs.18000. A's share is? Answer Choice: (A) 6028 (B) 6020 (C) 6000 (D) 6098 (E) 6008
Answer: C
How many integers between 265,205and 758,805 have tens digit 1 and units digit 3? Answer Choice: (A) 4,629 (B) 4,639 (C) 3,946 (D) 4,926 (E) 4,936
Answer: E
A bottle contains a certain solution. In the bottled solution, the ratio of water to soap is 3:2, and the ratio of soap to salt is two times this ratio. The solution is poured into an open container, and after some time, the ratio of water to soap in the open container is halved by water evaporation. At that time, what is the ratio of water to salt in the solution? Answer Choice: (A) 1:1 (B) 2:3 (C) 3:2 (D) 9:4 (E) 18:8
Answer: E
At a certain supplier, a machine of type A costs $20,000 and a machine of type B costs $55,000. Each machine can be purchased by making a 20 percent down payment and repaying the remainder of the cost and the finance charges over a period of time. If the finance charges are equal to 40 percent of the remainder of the cost, how much less would 2 machines of type A cost than 1 machine of type B under this arrangement? Answer Choice: (A) $10,000 (B) $11,200 (C) $12,000 (D) $12,800 (E) $19,800
Answer: E
If A, B, and C invested some amount in the ratio 3:2:5 in a buisiness. If the total profit incurrec after a year was Rs.12100, find the share of B. Answer Choice: (A) Rs.6050 (B) Rs.3630 (C) Rs.2420 (D) Rs.3360 (E) Rs.6100
Answer: C
If an amount of Rs 13,640 is divided equally among
62 students, approximately how much amount will
each student get? Answer Choice: (A) Rs 206 (B) Rs 210 (C) Rs 220 (D) Rs 218 (E) None
Answer: C
Three friends sai, vani and ram divide $1020 amongs them in such a way that if $10, $20 and $15 are removed from the sums that sai, vani and ram received respectively, then the share of the sums that they got will be in the ratio of 8 : 4 : 2. How much did ram receive? Answer Choice: (A) $147 (B) $142 (C) $242 (D) $122 (E) $143
Answer: B
A pupil's marks were wrongly entered as 83 instead of 63. Due to that the average marks for the class got increased by half (1/2). The number of pupils in the class is: Answer Choice: (A) 38 (B) 39 (C) 40 (D) 46 (E) 49
Answer: C
There are two circles of different radii. The are of a square is 784 sq cm and its side is twice the radius of the larger circle. The radius of the larger circle is seven - third that of the smaller circle. Find the circumference of the smaller circle? Answer Choice: (A) 16 (B) 15 (C) 12 (D) 87 (E) 16
Answer: C
A train running at the speed of 90 km/hr crosses a pole in 6 seconds. What is the length of the train? Answer Choice: (A) 150 (B) 2766 (C) 187 (D) 267 (E) 191
Answer: A
A and B invests Rs.8000 and Rs.9000 in a business. After 4 months, A withdraws half of his capital and 2 months later, B withdraws one-third of his capital. In what ratio should they share the profits at the end of the year? Answer Choice: (A) 32:47 (B) 32:49 (C) 32:45 (D) 32:46 (E) 32:41
Answer: C
In a graduate physics course, 60 percent of the students are male and 30 percent of the students are married. If two-sevenths of the male students are married, what fraction of the female students is single? Answer Choice: (A) 2/7 (B) 17/30 (C) 1/2 (D) 27/40 (E) 5/7
Answer: D
In how many ways, a committee of 5 members can be selected from 7 men and 5 ladies, consisting of 3 men and 2 ladies? Answer Choice: (A) 75 (B) 152 (C) 175 (D) 350 (E) 412
Answer: D
Compound X contains elements A and B at an approximate ratio, by weight, of 2:10. Approximately how many grams of element B are there in 300 grams of compound X? Answer Choice: (A) 54 (B) 162 (C) 250 (D) 270 (E) 322
Answer: C
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) 58 (B) 74 (C) 62 (D) 70 (E) 74
Answer: B
A trader bought a car at 20% discount on its original price. He sold it at a 40% increase on the price he bought it. What percent of profit did he make on the original price? Answer Choice: (A) 10% (B) 11% (C) 12% (D) 15% (E) 13%
Answer: C
Two hoses are pouring water into an empty pool. Hose 1 alone would fill up the pool in 6 hours. Hose 2 alone would fill up the pool in 3 hours. How long would it take for both hoses to fill up two-thirds of the pool? Answer Choice: (A) 5/12 hours (B) 5/8 hours (C) 4/3 hours (D) 12/7 hours (E) 12/5 hours
Answer: C
10^185 - 10^9 = Which of the following best approximates the value of the expression above? Answer Choice: (A) 10^170 (B) 10^180 (C) 10^(185) (D) 10^160 (E) 10^179
Answer: C
45 pupil,out of them 12 in debate only and 22 in singing only.then how many in both? Answer Choice: (A) 9 (B) 10 (C) 11 (D) 12 (E) 13
Answer: C
In the first 10 overs of a cricket game, the run rate was only 4.8. What should be the run rate in the remaining 40 overs to reach the target of 282 runs? Answer Choice: (A) 4.25 (B) 5.85 (C) 6.25 (D) 7 (E) 7.5
Answer: B
A and B can do a work in 6 days, B and C in 2 days and C and A in 8 days. In how many days will the work be completed, if all three of them work together? Answer Choice: (A) 12/24 (B) 48/63 (C) 45/56 (D) 48/19 (E) 28/12
Answer: D
A series of book was published at seven years intervals when the seventh book was published the total sum of publication year was 13, 1524. first book was published in? Answer Choice: (A) 1911 (B) 1912 (C) 1913 (D) 1914 (E) 1915
Answer: A
Every student of a certain school must play an instrument. In last year, 1/2 of the students picked a woodwind instrument, 2/5 of the students picked a brass instrument, and all of the other students took percussion. In this year, 1/2 of the students who play woodwind and 1/4 of the students who play brass instruments left school, other students did not leave, and no fresh student come in. What fraction of all students play either a woodwind or brass instrument? Answer Choice: (A) 7/13 (B) 4/5 (C) 9/13 (D) 11/13 (E) 7/10
Answer: D
Two trains 111 meters and 165 meters in length respectively are running in opposite directions, one at the rate of 80 km and the other at the rate of 65 kmph. In what time will they be completely clear of each other from the moment they meet? Answer Choice: (A) 6.85 (B) 7.18 (C) 7.16 (D) 7.15 (E) 7.12
Answer: A
The market value of a 10.5% stock, in which an income of Rs. 756 is derived by investing Rs. 6000, brokerage being 1/4%, is: Answer Choice: (A) 83.08 (B) 114 (C) 114.75 (D) 124 (E) 124.75
Answer: A
A, B and C start a business each investing 20,000. After 5 months A withdrew 10000, B withdrew 15000 and C invests 5000 more. At the end of the year, a total profit of 58000 was recorded. Find the share of B. Answer Choice: (A) 20,000 (B) 21,200 (C) 28,200 (D) 13,500 (E) None of these
Answer: D