loafeihong/math_mmlu_format huggingface dataset:
Mr Amin borrowed some money from Mr Vishwas. The rate of interest for first two years is 8% p.a., for the next three years is 11 % p.a. and for the period beyond 5 years 14% p.a. Mr Vishwas got an amount of 10920 as an interest at the end of eight years. Then what amount was borrowed by Mr Amin ? Answer Choice: (A) 12000 (B) 15000 (C) 1400 (D) Data inadequate (E) None of these
Answer: A
The ‘moving walkway’ is a 300-foot long conveyor belt that moves continuously at 3 feet per second. When Bill steps on the walkway, a group of people that are also on the walkway stands 120 feet in front of him. He walks toward the group at a combined rate (including both walkway and foot speed) of 6 feet per second, reaches the group of people, and then remains stationary until the walkway ends. What is Bill’s average rate of movement W for his trip along the moving walkway? Answer Choice: (A) 2 feet per second (B) 2.5 feet per second (C) 3 feet per second (D) 4 feet per second (E) 5 feet per second
Answer: E
In a graduating class of 232 students, 144 took geometry and 119 took biology. What is the difference between the greatest possible number and the smallest possible number of students that could have taken both geometry and biology? Answer Choice: (A) 144 (B) 119 (C) 113 (D) 88 (E) 31
Answer: C
In a certain circle there are 9 points. What is the number of the triangles connecting 3 points of the 9 points? Answer Choice: (A) 12 (B) 84 (C) 108 (D) 120 (E) 132
Answer: B
In an office, 10 percent of the workers have at least 5 years of service, and a total of 16 workers have at least 10 years of service. If 90 percent of the workers have fewer than 10 years of service, how many of the workers have at least 5 but fewer than 10 years of service? Answer Choice: (A)  16 (B)  64 (C)  50 (D)  144 (E)  160
Answer: A
John makes $50 a week from his job. He earns a raise andnow makes $75 a week. What is the % increase? Answer Choice: (A) 15% (B) 16.66% (C) 50% (D) 19% (E) 21%
Answer: C
The radius of a wheel is 22.4 cm. What is the distance covered by the wheel in making 1000 resolutions? Answer Choice: (A) 1408 m (B) 1704 m (C) 1479 m (D) 1427 m (E) 1297 m
Answer: A
Two trains are moving in opposite directions @100kmph and 120kmph. Their length are 500m and 700m. The time taken by the slower train to cross faster train in second is? Answer Choice: (A) 15sec (B) 18.3sec (C) 19.6sec (D) 20.4sec (E) 22.5sec
Answer: C
A vendor bought dog for Rs. 1, and a cat for Rs. 1.20, a pig for Rs.1.34, He totally purchased 100 animals for 100 Rs. Then find no of cats. Answer Choice: (A) 10 (B) 12 (C) 14 (D) 15 (E) 16
Answer: A
A man can row a boat at 24 kmph in still water. If the speed of the stream is 8 kmph, what is the time taken to row a distance of 54 km downstream? Answer Choice: (A) 27/16 hours (B) 27/33 hours (C) 28/13 hours (D) 27/13 hours (E) 30/13 hours
Answer: A
A certain auto manufacturer sold 2% fewer vehicles in 2007 than in 2006. If the manufacturer sold 2.3 million vehicles in 2006, how many vehicles, to the nearest 10,000, did the manufacturer sell in 2007? Answer Choice: (A) 22,50,000 (B) 22,80,000 (C) 22,90,000 (D) 22,95,000 (E) 23,00,000
Answer: A
You have a bag of 9 letters: 3 Xs, 3 Ys and 3 Zs. You are given a box divided into 3 rows and 3 columns for a total of 9 areas. How many different R ways can you place one letter into each area such that there are no rows or columns with 2 or more of the same letter? Answer Choice: (A) 5 (B) 6 (C) 9 (D) 12 (E) 18
Answer: D
Three number are in the ratio of 3 : 4 : 5 and their L.C.M. is 2400. Their H.C.F. is: Answer Choice: (A) 10 (B) 50 (C) 40 (D) 20 (E) 30
Answer: C
A discount dealer professes to sell his goods at cost price
but uses a weight of 960 gms for a Kg weight .Find his gain %? Answer Choice: (A) 25% (B) 6% (C) 6/25% (D) 25/6% (E) 42%
Answer: D
eight family members: 5 grandchildren (3 brothers and 2 sisters) and their 3 grandparents are to be seated around a circular table. How many different seating arrangements are possible so that 2 sisters are seated between any two of the three brothers? Answer Choice: (A) 120 (B) 288 (C) 1440 (D) 2880 (E) 8640
Answer: B
A large tanker can be filled by two pipes A and B in 30 and 15 hours respectively. How many hours will it take to fill the tanker from empty state if A and B fill it together? Answer Choice: (A) 8hr (B) 10hr (C) 12hr (D) 9hr (E) 5hr
Answer: B
In the fifth grade at Parkway elementary school there are 450 students. 320 students are boys and 250 students are playing soccer. 86% of the students that play soccer are boys. How many girl student are in Parkway that is not playing soccer? Answer Choice: (A) 69. (B) 73. (C) 81. (D) 95. (E) 108.
Answer: D
8 is 4% of a, and 4 is 8% of b. c equals b/a. What is the value of c? Answer Choice: (A) 1/32 (B) 1/4 (C) 1 (D) 4 (E) 5
Answer: B
A sock drawer contains seven socks, each one a different solid color. The colors of the socks are blue, indigo, and violet. A person reaches into the drawer, pulls out two socks, and puts a single sock on each foot. If each sock can fit either the left or the right foot, and if it matters whether a particular sock is on the left or the right foot, how many different sock fashion combinations could the person make from the three socks? Answer Choice: (A) 12 (B) 15 (C) 21 (D) 36 (E) 6
Answer: E
A telephone number contains 10 digit, including a 3-digit area code. Bob remembers the area code and the next 5 digits of the number. He also remembers that the remaining digits are not 0, 1, 2, 3, or 7. If Bob tries to find the number by guessing the remaining digits at random, the probability that he will be able to find the correct number in at most 2 attempts is closest to which of the following ? Answer Choice: (A) 1/625 (B) 2/625 (C) 4/625 (D) 50/625 (E) 25/625
Answer: D
If b=4p where p is a prime number greater than 2, how many different positive even divisors does b have, including b? Answer Choice: (A) two (B) three (C) four (D) six (E) eight
Answer: C
A watch was sold at a loss of 10%. If the watch was sold for $20 more, there would have been a gain of 6%. What is the cost price? Answer Choice: (A) $95 (B) $105 (C) $115 (D) $125 (E) $135
Answer: D
a goes to place x and b goes to place y.
after a travelled 180 km more than b they together meet at a point between xy. they together had their lunch for half an hour. after that a took 2 hrs to reach x and b took 4.5 hrs to reach y. find distance between x and y? Answer Choice: (A) 900km (B) 540km (C) 720km (D) 820km (E) 920km
Answer: A
The length of the bridge, which a train 180 meters long and travelling at 45 km/hr can cross in 30 seconds, is? Answer Choice: (A) 195 m (B) 156 m (C) 245 m (D) 156 m (E) 156 m
Answer: A
A boat having a length 3 m and breadth 2 m is floating on a lake. The boat sinks by 1.2 cm when a man gets on it. The mass of man is Answer Choice: (A) 72 kg (B) 60 kg (C) 72 kg (D) 96 kg (E) None
Answer: A
The ‘moving walkway’ is a 300-foot long conveyor belt that moves continuously at 3 feet per second. When Bill steps on the walkway, a group of people that are also on the walkway stands 120 feet in front of him. He walks toward the group at a combined rate (including both walkway and foot speed) of 6 feet per second, reaches the group of people, and then remains stationary until the walkway ends. What is Bill’s average rate of movement Z for his trip along the moving walkway? Answer Choice: (A) 2 feet per second (B) 2.5 feet per second (C) 3 feet per second (D) 4 feet per second (E) 5 feet per second
Answer: E
The average of runs of a cricket player of 10 innings was 40. How many runs must he make in his next innings so as to increase his average of runs by 4? Answer Choice: (A) 87 (B) 16 (C) 10 (D) 84 (E) 17
Answer: D
The average age of the district level hockey team of eleven is 26 years.The average age gets increased by 2 year when the coach age is also included.what is the age of the coach ? Answer Choice: (A) 40 yrs. (B) 50 yrs. (C) 45 yrs. (D) 48 yrs. (E) 52 yrs.
Answer: B
A glucose solution contains 20 grams of glucose per 1000 cubic centimeters of solution. If 500 cubic centimeters of the solution were poured into an empty container, how many grams of glucose would be in the container? Answer Choice: (A)  10.00 (B)  15.00 (C)  11.50 (D)  10.50 (E)  9.75
Answer: A
The area of a triangle is with base 3m and height 4m? Answer Choice: (A) 4 m2 (B) 6 m2 (C) 18 m2 (D) 19 m2 (E) 12 m2
Answer: B
.01 x .3 ÷ .4 x .5 = ? Answer Choice: (A) .015 (B) .0375 (C) .00375 (D) .1 (E) None of these
Answer: C
Which of the following is divisible by the first six positive integer multiples of 19?
(i) 52440
(ii) 114600
(iii) 19038 Answer Choice: (A) None (B) i only (C) iii only (D) ii and iii only (E) i and ii only
Answer: B
Machine A and machine W are each used to manufacture 660 sprockets. It takes machine A 10 hours longer to produce 660 sprockets than machine W. Machine W produces 10 percent more sprockets per hour than machine A. How many sprockets per hour does machine A produces? Answer Choice: (A) 6 (B) 6.6 (C) 60 (D) 100 (E) 110
Answer: A
A boat takes 19 hours for travelling downstream from point A to point B and coming back to a point C midway between A and B. If the velocity of the stream is 4 kmph and the speed of the boat in still water is 14 kmph, what is the distance between A and B ? Answer Choice: (A) 160 km (B) 180 km (C) 200 km (D) 220 km (E) 240 km
Answer: B
A cube has a volume of 27 cubic feet. If a similar cube is twice as long, twice as wide, and twice as high, then the volume, in cubic feet of such cube is? Answer Choice: (A) 216 (B) 48 (C) 64 (D) 80 (E) 100
Answer: A
Ele, the circus Elephant, is currently three times older than Lyn, the circus Lion. In 16 years from now, Lyn the circus Lion will be exactly half as old as Ele, the circus Elephant. How old is Ele today? Answer Choice: (A) 47 (B) 48 (C) 43 (D) 42 (E) 41
Answer: B
What is the smallest number which when increased by 3 is divisible by 18, 70, 100 and 21? Answer Choice: (A) 5037 (B) 5447 (C) 5867 (D) 6297 (E) 6617
Answer: D
What is the probability of flipping a fair coin four times and the coin landing on heads on exactly three flips? Answer Choice: (A) 1/3 (B) 1/4 (C) 2/3 (D) 2/5 (E) 1/8
Answer: B
Rectangular Floors X and Y have equal area. If Floor X is 14 feet by 18 feet and Floor Y is 9 feet wide, what is the length of Floor Y, in feet? Answer Choice: (A)  13 1/2 (B)  18 (C)  18 3/4 (D)  21 (E)  28
Answer: E
There are 8 students. 4 of them are men and 4 of them are women. If 4 students are selected from the 8 students. What is the probability W that the number of men is equal to that of women? Answer Choice: (A) W=18/35 (B) W=16/35 (C) 14/35 (D) 13/35 (E) 12/35
Answer: A
If a committee of 3 people is to be selected from among 5 married couples so that the committee does not include two people who are married to each other, how many Z such committees are possible? Answer Choice: (A) 20 (B) 40 (C) 50 (D) Z=80 (E) Z=120
Answer: D
A train sets off at 2 p.m. at the speed of 70 kmph. Another train starts at 3:30 p.m. in the same direction at the rate of 85 kmph. At what time the trains will meet? Answer Choice: (A) 09:30 p.m (B) 11:23 p.m (C) 10:30 p.m (D) 07:30 p.m (E) 05:93 p.m
Answer: C
4, 5, 7, 11, 19, (...) Answer Choice: (A) 32 (B) 22 (C) 35 (D) 27 (E) 28
Answer: C
Two pyramids are thrown with faces 1,2,4,6. Find the probability to get a sum of even number on an their faces? Answer Choice: (A) 5/8 (B) 3/4 (C) 1/4 (D) 7/4 (E) 3/5
Answer: A
A certain number when divided by 39 leaves a remainder 17, what is the remainder when the same number is divided by 13? Answer Choice: (A) 7 (B) 8 (C) 9 (D) 6 (E) 4
Answer: E
Average of all prime numbers between 30 to 50 Answer Choice: (A) 37 (B) 37.8 (C) 39 (D) 39.8 (E) 40
Answer: D
A snail, climbing a 42 feet high wall, climbs up 4 feet on the first day but slides down 2 feet on the second. It climbs 4 feet on the third day and slides down again 2 feet on the fourth day. If this pattern continues, how many days will it take the snail to reach the top of the wall? Answer Choice: (A) 20 (B) 26 (C) 32 (D) 39 (E) 51
Answer: D
Point X is located on line segment AB and point Y is located on line segment CD. If AB = CD and AX < CY, then Answer Choice: (A) XB > CD (B) XB < YD (C) AX > XB (D) AX < CD (E) AX > AB
Answer: D
The letters D, G, I, I , and T can be used to form 5-letter strings as DIGIT or DGIIT. Using these letters, how many 5-letter strings can be formed in which the two occurrences of the letter I are separated by at least one other letter? Answer Choice: (A) 12 (B) 18 (C) 24 (D) 36 (E) 48
Answer: D
A 8% stock yields 20%. The market value of the stock is: Answer Choice: (A) Rs 48 (B) Rs 45 (C) Rs 40 (D) Rs 50 (E) Rs 55
Answer: C
At what rate percent on simple interest will Rs.750 amount to Rs.825 in 5 years? Answer Choice: (A) 2 (B) 3 (C) 4 (D) 5 (E) 6
Answer: A
In the formula V = 1/(2r)^3, if r is halved, then V is multiplied by? Answer Choice: (A) 16 (B) 8 (C) 1 (D) 1/8 (E) 1/64
Answer: B
If the number 517*324 is completely divisible by 3, then the smallest whole number in the place of * will be: Answer Choice: (A) 0 (B) 1 (C) 2 (D) 3 (E) None of these
Answer: C
A vending machine randomly dispenses four different types of fruit candy. There are twice as many apple candies as orange candies, twice as many strawberry candies as grape candies, and twice as many apple candies as strawberry candies. If each candy cost $0.4, and there are exactly 90 candies, what is the minimum amount of money required to guarantee that you would buy at least three of each type of candy? Answer Choice: (A) $3.00 (B) $20.75 (C) $33.20 (D) $42.75 (E) $45.00
Answer: C
A computer manufacturer produces a certain electronic component at a cost of $80 per component. Shipping costs for delivering the components are $5 per unit. Further, the manufacturer has costs of $16,500 a month related to the electronic component regardless of how many it produces. If the manufacturer produces and sells 150 components a month, what is the lowest price it can sell them for such that the costs don't exceed the revenues? Answer Choice: (A) $28 (B) $82 (C) $110 (D) $138 (E) $195
Answer: E
A train passes a station platform in 36 sec and a man standing on the platform in 20 sec. If the speed of the train is 54 km/hr. What is the length of the platform? Answer Choice: (A) 277 m (B) 240 m (C) 627 m (D) 892 m (E) 288 m
Answer: B
If two positive numbers are in the ratio 1/9 : 1/5, then by what percent is the second number more than the first? Answer Choice: (A) 80% (B) 90% (C) 60% (D) 50% (E) 65%
Answer: A
A certain culture of bacteria quadruples every hour. If a container with these bacteria was half full at 8:00 a.m., at what time was it one-eighth full? Answer Choice: (A) 9:00 a.m. (B) 7:00 a.m. (C) 6:00 a.m. (D) 4:00 a.m. (E) 2:00 a.m.
Answer: B
C and D enter into partnership with capital as 7:9. At the end of 8 months, C withdraws. If they receive the profits in the ratio of 8:9 find how long D's capital was used? Answer Choice: (A) months (B) months (C) months (D) months (E) months
Answer: D
A tank contains 10,000 gallons of a solution that is 5 percent sodium chloride by volume. If 1,600 gallons of water evaporate from the tank, the remaining solution will be approximately what percent sodium chloride? Answer Choice: (A) 5.55% (B) 5.65% (C) 5.75% (D) 5.85% (E) 5.95%
Answer: E
The product of two successive numbers is 4160. Which is the smaller of the two numbers? Answer Choice: (A) 78 (B) 64 (C) 88 (D) 67 (E) 37
Answer: B
A basket has 6 apples and 4 oranges. FOUR fruits are picked at random. The probability that at least 3 apples are picked is Answer Choice: (A) 25/42 (B) 25/48 (C) 19/42 (D) 25/47 (E) 25/43
Answer: C
A man complete a journey in 10 hrs. He travels first half of the journey at the rate of 21 km/hr and second half at the rate of 24 km/hr. Find the total journey in km? Answer Choice: (A) 271 km (B) 224 km (C) 243 km (D) 222 km (E) 215 km
Answer: B
The C.P of 15 books is equal to the S.P of 18 books. Find his gain% or loss%? Answer Choice: (A) 16 2/3% loss (B) 16 8/3% loss (C) 19 2/3% loss (D) 13 2/3% loss (E) 26 2/3% loss
Answer: A
A, B and C invests Rs.2000, Rs.3000 and Rs.4000 in a business. After one year A removed his money; B and C continued the business for one more year. If the net profit after 2 years be Rs.3200, then A's share in the profit is? Answer Choice: (A) 288 (B) 286 (C) 298 (D) 2776 (E) 8811
Answer: D
On Saturday morning, John will begin a camping vacation and he will return home at the end of the first day on which it rains. If on the first three days of the vacation the probability of rain on each day is 0.6, what is the probability that Malachi will return home at the end of the day on the following Monday? Answer Choice: (A) 0.096 (B) 0.125 (C) 0.128 (D) 0.512 (E) 0.64
Answer: A
How many combinations of three letters taken from letters (a, b, b, c, c, d) are possible? Answer Choice: (A) 10 (B) 13 (C) 35 (D) 36 (E) 56
Answer: A
If x#y is defined to equal x^3/y for all x and y, then (-1#2)#3 = Answer Choice: (A) 4/3 (B) 1/3 (C) 1/12 (D) -1/12 (E) 1/24
Answer: E
A part-time employee’s hourly wage was increased by 25%. She decided to decrease the number of hours worked per week so that her total income did not change. By approximately what percent should the number of hours worked be decreased? Answer Choice: (A) 9% (B) 15% (C) 20% (D) 50% (E) 100%
Answer: C
Find the median of the data 25, 37, 47, 18, 19, 26, 36. Answer Choice: (A) 22 (B) 23 (C) 24 (D) 25 (E) 26
Answer: E
Ayesha's father was 38 years of age when she was born while her mother was 36 years old when her brother three years younger to her was born. What is the difference between the ages of her parents? Answer Choice: (A) 2 years (B) 4 years (C) 5 years (D) 7 years (E) 8 years
Answer: C
A batch of cookies was divided among three tins: 2/3 of all the cookies were placed in either the blue tin or the green tin, and the rest were placed in the red tin. If 1/4 of all the cookies were placed in the blue tin, what fraction E of the cookies that were placed in the other tins were placed in the green tin? Answer Choice: (A) 15/2 (B) 9/4 (C) 5/9 (D) 7/5 (E) 9/7
Answer: C
If the cost price is 96% of the selling price, then what is the profit percent? Answer Choice: (A) 4.17% (B) 5% (C) 6.12% (D) 3.25% (E) 5.75%
Answer: A
It takes eight hours for a 600 km journey, if 120 km is done by train and the rest by car. It takes 20 minutes more, if 200 km is done by train and the rest by car. The ratio of the speed of the train to that of the car is? Answer Choice: (A) 2:9 (B) 3:1 (C) 3:4 (D) 3:9 (E) 3:6
Answer: C
A train running at the speed of 48 km/hr crosses a pole in 9 seconds. Find the length of the train? Answer Choice: (A) 120 meter (B) 299 meter (C) 666 meter (D) 155 meter (E) 144 meter
Answer: A
John distributes his pencil among his 4friends Rose, Mary, Ranjan, and Rohit in the ratio 1/2 : 1/3 :1/4:1/5 . What is the minimum no. of pencils that the person should have? Answer Choice: (A) 45 (B) 65 (C) 70 (D) 77 (E) 98
Answer: D
If the tens digit of positive integer x is 3 and the tens digit of positive integer y is 3, how many possible values of the tens digit of 2(x+y) can there be? Answer Choice: (A) 2 (B) 3 (C) 4 (D) 5 (E) 6
Answer: C
The editor of an anthology of short stories will select authors from a pool of 10 authors, of which 4 are female. If the anthology is to include the work of 6 authors of which at least 2 are female, in how many ways can the editor select the authors? Answer Choice: (A) 155 (B) 165 (C) 175 (D) 185 (E) 195
Answer: D
Three partners A,B,C starts a business. Twice A's capital is equal to thrice B's capital and B's capital is four times C's capital. Out of a total profit of Rs.15000 at the end of the year, B's share is Answer Choice: (A) Rs.4000 (B) Rs.5400 (C) Rs.7500 (D) Rs.6600 (E) None
Answer: B
I bought two books; for Rs.480. I sold one at a loss of 15% and other at a gain of 19% and then I found each book was sold at the same price. Find the cost of the book sold at a loss? Answer Choice: (A) 228 (B) 280 (C) 287 (D) 115 (E) 191
Answer: B
82
a7
+ 6b
____
190
If a and b represent positive single digits in the correctly worked computation above, what is the value of a + 2b ? Answer Choice: (A) 2 (B) 6 (C) 9 (D) 11 (E) 12
Answer: B
Two persons Raj and Ramu started working for a company in similar jobs on January 1, 1991. Raj's initial monthly salary was Rs 400, which increases by Rs 40 after every year. Ramu's initial monthly salary was Rs 500 which increases by Rs 20 after every six months. If these arrangements continue till December 31, 200. Find the total salary they received during that period. Answer Choice: (A) Rs 108000 (B) Rs 144000 (C) Rs 132000 (D) Rs 152400 (E) None of these
Answer: D
A completes a work in 15 days and B complete the same work in 30 days. If both of them work together, then the number of days required to complete the work will be Answer Choice: (A) 8 days (B) 9 days (C) 10 days (D) 12 days (E) 13 days
Answer: C
Which of the following numbers is between 1⁄2 and 1⁄4? Answer Choice: (A) .65 (B) .55 (C) .29 (D) .22 (E) .20
Answer: C
if 2 pipes take an hour to fill a tank, then how long should 8 pipes take to fill the same tank? Answer Choice: (A) 20 min (B) 10 min (C) 15 min (D) 25 min (E) 30 min
Answer: C
Find √? /19 = 4 ? Answer Choice: (A) 76 (B) 5776 (C) 304 (D) 1296 (E) None
Answer: B
Mr. Thomas invested an amount of 13,900 divided in two different schemes A and B at the simple interest rate of 14% p.a. and 11% p.a. respectively. If the total amount of simple interest earned in 2 years be 3508, what was the amount invested in Scheme B? Answer Choice: (A) 6200 (B) 6300 (C) 6400 (D) 6500 (E) 6600
Answer: C
How many numbers between 200 and 400 begin or end with 2? Answer Choice: (A) 20 (B) 60 (C) 100 (D) 110 (E) 120
Answer: D
A square and an equilateral triangle have the same perimeter. What is the ratio of the area of the circle circumscribing the square to the area of the circle inscribed in the triangle? Answer Choice: (A) 9:8 (B) 15:8 (C) 27/8 (D) 8:9 (E) 8:15
Answer: C
If 600y is a perfect square (the square of an integer) and y is a positive integer, then which of the following must also be an integer?
I y/6
II y/42
III y/30 Answer Choice: (A) I only (B) III only (C) I and II only (D) I and III only (E) I, II, and III
Answer: A
If m times the mth series of an A.P. is equal to n times its nth series, what is the (m+n)th term of the A.P. ? Answer Choice: (A) 1 (B) m (C) n (D) 0 (E) 2
Answer: D
A fruit salad mixture consists of apples, peaches, and grapes. There are 2 times as many pounds of apples as grapes and 3 times as many pounds of peaches as grapes. If a mixture that has an average (arithmetic mean) of 24 pounds per fruit, how many more pounds of apples than grapes does the mixture have? Answer Choice: (A) 15 (B) 12 (C) 8 (D) 6 (E) 5
Answer: C
Kim finds a 5-meter tree branch and marks it off in thirds and fifths. She then breaks the branch along all the markings and removes one piece of every distinct length. What fraction of the original branch remains? Answer Choice: (A) 8/15 (B) 1/2 (C) 7/5 (D) 3/5 (E) 7/5
Answer: D
A 300 meter long train crosses a platform in 39 seconds while it crosses a signal pole in 18 seconds. What is the length of the platform? Answer Choice: (A) 228 (B) 277 (C) 350 (D) 882 (E) 121
Answer: C
If log a/b + log b/a = log (a + b), then: Answer Choice: (A) a = b (B) a - b = 1 (C) a + b = 1 (D) 15 (E) 22
Answer: C
At Tea factory, each employee working the second shift produced 2/3 as many widgets as each employee working the first shift. If the first shift has 3/4 as many employees, what fraction of the total widgets did the second shift produce? Answer Choice: (A) 8/17 (B) 1/2 (C) 8/9 (D) 9/8 (E) 17/8
Answer: A
The mean of 50 observations was 36. It was found later that an observation 58 was wrongly taken as 43. The corrected new mean is? Answer Choice: (A) 36.7 (B) 36.1 (C) 36.5 (D) 36.9 (E) 36.3
Answer: E
In a class, the average age of 40 boys is 18 years and the average of 30 girls is 15 years. what is the average age of the whole class? Answer Choice: (A) 12 Years (B) 12.3 Years (C) 12.6 Years (D) 16.7 Years (E) 15 Years
Answer: D