loafeihong/math_mmlu_format huggingface dataset:
If m and n are whole numbers such that mn = 121, the value of (m 1)
n + 1 is: Answer Choice: (A) 1 (B) 10 (C) 121 (D) 100 (E) 1000
Answer: E
There are 27 balls, of which 1 is heavier. given a balance how many times you need to weigh to find out the odd ball. Answer Choice: (A) 7 times (B) 2 times (C) 3 times (D) 5 times (E) 9 times
Answer: C
The simple interest at c% for c years will be $c on a sum of Answer Choice: (A) $ (1000)/c (B) $(100)c^2 (C) $ c (D) $ (100)/c (E) $ 100c
Answer: D
In a fuel station the service costs $2.05 per car, every liter of fuel costs 0.8$. Assuming that you fill up 3 mini-vans and 2 trucks, how much money will the fuel cost to all the cars owners total, if a mini- van's tank is 65 liters and a truck's tank is 120% bigger and they are all empty-? Answer Choice: (A) 122.6$ (B) 228.9$ (C) 343.7$ (D) 395.05$ (E) 412.12$
Answer: D
Solve the given two equations and find the inequality of X and Y. (a) 2x^2 + 11x + 14 = 0 and (b) 4y^2 + 12y +9 =0 Answer Choice: (A) If x>y (B) If x>y (C) If x<y (D) If x<=y (E) If x<=y
Answer: C
If a boat is moving in upstream with velocity of 14 km/hr and goes downstream with a velocity of 40 km/hr, then what is the speed of the stream ? Answer Choice: (A) 13 km/hr (B) 26 km/hr (C) 34 km/hr (D) 44 km/hr (E) none of these
Answer: A
If the integer N = 139k00 where k is the hundreds digit, N can always be divisible by which of the following? Answer Choice: (A) 2 (B) 4 (C) 3 (D) 6 (E) 9
Answer: B
5*2 is a three digit number with * is a missing digit. If the number is divisible by 6, the missing digit is Answer Choice: (A) 0 (B) 2 (C) 5 (D) 7 (E) 9
Answer: B
A cube of side 5.5 meter length is cut into small cubes of side 110 cm each. How many such small cubes can be obtained? Answer Choice: (A) 125 (B) 127 (C) 152 (D) 140 (E) 190
Answer: A
5 years ago Amith was three times as old as his daughter and 10 years hence, he will be two times as old as his daughter. Then Amith’s current age is, Answer Choice: (A) 10 (B) 50 (C) 40 (D) 20 (E) 60
Answer: D
The average age of X,Y & Z were 5 years ago was 25 years and the age of X and Y were 6 years ago was 18 years. The present age of the Z is? Answer Choice: (A) 52 Years (B) 55 Years (C) 42 Years (D) 38 Years (E) 22 Years
Answer: C
90 percent of your marbles are a solid color. 5 percent of your marbles are solid yellow. What percentage of your marbles are a solid color other than yellow? Answer Choice: (A) 5 (B) 15 (C) 85 (D) 90 (E) 95
Answer: C
The owner of an electronics shop charges his customer 25% more than the cost price. If a customer paid Rs.11,500 for a television set, then what was the cost price of the television set? Answer Choice: (A) Rs.9200 (B) Rs.7200 (C) Rs.8600 (D) Rs.9800 (E) None of these
Answer: A
A bowl has only 5 apples and 5 bananas. If one piece of fruit is selected from the bowl at random, and a second piece is selected from the bowl without replacing the first, what is the probability that both pieces of fruit chosen are apples? Answer Choice: (A) 1/10 (B) 1/5 (C) 2/9 (D) 2/5 (E) 1/2
Answer: C
The length of the rectangular field is double its width. Inside the field there is square shaped pond 8m long. If the area of the pond is 1/8 of the area of the field. What is the length of the field? Answer Choice: (A) 73 (B) 32 (C) 34 (D) 43 (E) 42
Answer: B
AB
+BA
___
101
In the addition problem above, A and B represent digits in two different two-digit numbers. What is the sum of A and B? Answer Choice: (A) 6 (B) 8 (C) 10 (D) 11 (E) 14
Answer: C
An investor bought 200 shares of stock in ABCD company in 1990. By 1992, the investment was worth only 2/3 of its original value. By 1995, the 200 shares were worth only 3/5 of their value in 1990. By what percent did the value of the investment drop from 1992 to 1995? Answer Choice: (A) 16 2/3% (B) 25% (C) 33 1/3% (D) 50% (E) 10%
Answer: E
For any integer m greater than 1, $m denotes the product of all the integers from 1 to m, inclusive. How many prime numbers are there between $7 + 2 and $7 + 10, inclusive? Answer Choice: (A) None (B) One (C) Two (D) Three (E) Four
Answer: A
The value of a scooter depreciates in such a way that its value of the end of each year is 3/4 of its value of the beginning of the same year. If the initial value of the scooter is Rs.40,000, what is the value at the end of 5 years ? Answer Choice: (A) 3277 (B) 2977 (C) 9492 (D) 6077 (E) 17112
Answer: C
The tax on a commodity is diminished by 35% but its consumption is increased by 15%. Find the decrease percent in the revenue derived from it? Answer Choice: (A) 18% (B) 72% (C) 32% (D) 25.25% (E) 52.25%
Answer: D
For the past 3 weeks, Rikki has gone to the gym an average of 2 times per week. After 1 more week, the average number of times Rikki goes to the gym increases to 3 times per week. How many times did Rikki visit the gym during the most recent week? Answer Choice: (A) 7 (B) 3 (C) 6 (D) 2 (E) 4
Answer: C
If the sides of a triangle are 78 cm, 72 cm and 30 cm, what is its area? Answer Choice: (A) 120 cm2 (B) 765 cm2 (C) 1080 cm2 (D) 197 cm2 (E) 275 cm2
Answer: C
If the perimeter of a rectangular garden is 480 m, its length when its breadth is 100 m is? Answer Choice: (A) 299 m (B) 140 m (C) 200 m (D) 167 m (E) 128 m
Answer: B
A bag contains 1 white,3 red and 2 blue balls.Three balls are drawn at random from the bag.the probability that all of them are red are???? Answer Choice: (A) 1/6 (B) 3/6 (C) 1/20 (D) 2/20 (E) 3/20
Answer: C
An article was sold after a discount of 20% and there was a gain of 20%. If the profit made on it was Rs. 6 less than the discount offered on it, find its selling price? Answer Choice: (A) 7 (B) 8 (C) 9 (D) 5 (E) 4
Answer: A
Two diagonals of a rhombus are 72 cm and 30 cm respectively. What is its perimeter? Answer Choice: (A) 136 CM (B) 156 CM (C) 144 CM (D) 121 CM (E) 126 CM
Answer: B
The average salary of the employees in a office is Rs.120/month.The avg salary of officers is Rs.440 and of non officers is Rs 110. If the no.of officers is 15,then find the No of nonofficers in the office. Answer Choice: (A) 400 (B) 420 (C) 480 (D) 450 (E) 510
Answer: C
In how many different ways can the letters of the word "FAME" be rearrangement? Answer Choice: (A) 26 (B) 24 (C) 28 (D) 12 (E) 30
Answer: B
Each night before he goes to bed, Jordan likes to pick out an outfit to wear the next day. He has 11 different shirts, 10 different pairs of jeans, and 8 pairs of sneakers. If an outfit consists of 1 shirt, 1 pair of jeans, and 1 pair of sneakers, how many different outfits does Jordan have? Answer Choice: (A) 30 (B) 90 (C) 240 (D) 880 (E) 960
Answer: D
A student chose a number, multiplied it by 5, then subtracted 275 from the result and got 135. What was the number he chose? Answer Choice: (A) 80 (B) 82 (C) 84 (D) 86 (E) 88
Answer: B
Stephen likes to bike after school, and he has to get home before dark, so he only bike for five hours. His favorite route is a 45 mile loop starting from his house. In the first hour, he travels nine miles. For the next two hours, he travels at 7 miles per hour. Compute the average speed Stephen has to ride for the last three hours to get home before dark. Answer Choice: (A) 10 (B) 11 (C) 12 (D) 13 (E) 14
Answer: B
The average age of husband, wife and their child 3 years ago was 27 years and that of wife and the child 5 years ago was 20 years. What is the present age of the husband? Answer Choice: (A) 40 (B) 32 (C) 28 (D) 30 (E) 35
Answer: A
If a coin is tossed twice, what is the probability that on the first toss the coin lands tails and on the second toss the coin lands tails? Answer Choice: (A) 1/6 (B) 1/3 (C) 1/2 (D) 1/4 (E) 1
Answer: D
A can do a piece of work in 4 days. B can do it in 6 days. With the assistance of C they completed the work in 2 days. Find in how many days can C alone do it? Answer Choice: (A) 87 days (B) 12 days (C) 66 days (D) 77 days (E) 44 days
Answer: B
The speed of a boat in still water is 80kmph and the speed of the current is 20kmph. Find the speed downstream and upstream? Answer Choice: (A) 60 kmph (B) 40 kmph (C) 16 kmph (D) 15 kmph (E) 18 kmph kmph
Answer: A
If the letters in the word RUTHENIUM are rearranged in the alphabatical order, which letter will be
second to the right of middle letter? Answer Choice: (A) I (B) T (C) Y (D) H (E) F
Answer: B
Simran started a software business by investing Rs. 50,000. After six months, Nanda joined her with a capital of Rs. 80,000. After 3 years, they earned a profit of Rs. 24,500. What was Simran's share in the profit ? Answer Choice: (A) 24884 (B) 10500 (C) 23878 (D) 29988 (E) 27711
Answer: B
If two numbers are in the ratio 5:3. If 10 is Reduced to both of the numbers then the ratio becomes 2:1 then find the smallest number? Answer Choice: (A) 15 (B) 20 (C) 30 (D) 34 (E) 36
Answer: C
Hali builds a tower using only red, green, and blue toy bricks in a ratio of 4:3:1. She then removes 1/2 of the green bricks and adds 1/3 more blue bricks, reducing the size of the tower by 14 bricks. How many red bricks will she need to add in order to double the total number of bricks used to build the original tower? Answer Choice: (A) 82 (B) 96 (C) 110 (D) 120 (E) 192
Answer: E
What is the sum of the prime factors of 81 and the prime factors of 144? Answer Choice: (A) 33 (B) 45 (C) 30 (D) 33 (E) 36
Answer: E
A tradesman by means of his false balance defrauds to the extent of 20%? in buying goods as well as by selling the goods. What percent does he gain on his outlay? Answer Choice: (A) 20% (B) 45% (C) 44% (D) 48% (E) 50%
Answer: C
Which expression is the greatest Answer Choice: (A) 3252/3257 (B) 3456/3461 (C) 3591/3596 (D) 3641/3656 (E) 3453/3458
Answer: D
In ABC limited, 75% are using Samsung phone at the same time 70% using i phone; If in the same company 85% are using Samsung phone then, what is the percentage of i phone user? Answer Choice: (A) 55 (B) 68 (C) 38 (D) 34 (E) 69
Answer: D
26% of employees are women with fair hair. 40% of fair-haired employees are women. What percent of employees have fair hair? Answer Choice: (A) 25 (B) 30 (C) 50 (D) 55 (E) 65
Answer: E
The value for D=(0.889 × 55)/9.97 to the nearest tenth is Answer Choice: (A) 0.5 (B) 4.63 (C) 4.9 (D) 7.7 (E) 49.1
Answer: C
All the stocks on the over-the-counter market are designated by either a 1 letter or 2 letter codes that is created by using the 26 letters of the alphabet. Which of the following gives the maximum number of different stocks that can be designated with these codes? Answer Choice: (A) 2(26^5) (B) 26(26^4) (C) 27(26^1) (D) 26(26^5) (E) 27(26^5)
Answer: C
What is the area of rectangular field?
I.	The perimeter of the field is 110 metres.
II.	The length is 5 metres more than the width.
III.	The ratio between length and width is 6 : 5 respectively. Answer Choice: (A) I and II only (B) Any two of the three (C) All I, II and III (D) I, and either II or III only (E) None of these
Answer: B
If 27.5% of the 880 students at a certain college are enrolled in biology classes, how many students at the college are NOT enrolled in a biology class? Answer Choice: (A) 638 (B) 330 (C) 550 (D) 430 (E) 880
Answer: A
Sanoop bought 8 t-shirts at an average price (arithmetic mean) of Rs.526. If Sanoop returned 5 t-shirts to the retailer, and the average price of the remaining t-shirts was Rs.505, then what is the average price, of the three returned t-shirts? Answer Choice: (A) 560 (B) 561 (C) 562 (D) 538.6 (E) 564
Answer: D
A student scored an average of 80 marks in 3 subjects: Physics, Chemistry and Mathematics. If the average marks in Physics and Mathematics is 90 and that in Physics and Chemistry is 70, what are the marks in Physics? Answer Choice: (A) 11 (B) 66 (C) 77 (D) 80 (E) 71
Answer: D
When p is divided by 9, the remainder is 4. All of the following are possible values of p, except for which of the following? Answer Choice: (A) 13 (B) 31 (C) 49 (D) 52 (E) 67
Answer: D
If the LCM of 2, 5, 6, and a is 210, which of the following could be a? Answer Choice: (A) 5 (B) 6 (C) 4 (D) 7 (E) 12
Answer: D
(178% of 1265) ÷ 5.96 = ? Answer Choice: (A) 125 (B) 175 (C) 225 (D) 375 (E) 524
Answer: D
The C.P of 10 pens is equal to the S.P of 12 pens. Find his gain % or loss%? Answer Choice: (A) 16 2/8% (B) 16 8/3% (C) 16 2/3% (D) 16 4/3% (E) 16 6/3%
Answer: C
If s is an integer greater than 6, which of the following must be divisible by 3? Answer Choice: (A) s (s+3) (s-5) (B) s (s+2) (s-1) (C) s (s+1) (s-4) (D) s (s+4) (s-2) (E) s (s+5) (s-6)
Answer: C
A rectangular parking space is marked out by painting three of its sides. If the length of the unpainted side is 9 feet, and the sum of the lengths of the painted sides is 37 feet, find out the area of the parking space in square feet? Answer Choice: (A) 120 (B) 122 (C) 124 (D) 128 (E) 126
Answer: E
If four coins are tossed, the probability of getting two heads and two tails is Answer Choice: (A) 3/8 (B) 3/4 (C) 3/5 (D) 3/3 (E) 3/1
Answer: A
If −y ≥ x, and −x < −8, then which of the following must be true? Answer Choice: (A) y = −8 (B) y > −8 (C) −y > 8 (D) y ≤ −8 (E) y ≥ −8
Answer: C
A rectangular swimming pool is 20 feet by 18 feet. A deck that has uniform width surrounds the pool. The total area of the pool and deck is 624 square feet. What is the width of the deck? Answer Choice: (A) 2 (B) 3 (C) 4 (D) 5 (E) 6
Answer: B
If 3 girls can do 3 times of a particular work in 3 days, then, 7 girls can do 7 times of that work in Answer Choice: (A) 1 1/5 days (B) 2 days (C) 2 1/5 days (D) 3 days (E) 4 days
Answer: D
A dice is rolled 3times & sum of 3 no.'sappearing on the uppermost face is 15. The chance that the first roll was four is? Answer Choice: (A) 2/113 (B) 3/114 (C) 1/108 (D) 2/213 (E) 3/111
Answer: C
2056 x 987 = ? Answer Choice: (A) 1936372 (B) 2029272 (C) 1896172 (D) 1923472 (E) None of them
Answer: B
Which of the following is not a composite number ? Answer Choice: (A) 234 (B) 211 (C) 525 (D) 603 (E) 217
Answer: A
By how much does the larger root of the equation 2b^2+5b = 12 exceed the smaller root? Answer Choice: (A)  5/2 (B)  10/3 (C)  7/2 (D)  14/3 (E)  11/2
Answer: E
The sum of the ages of 4 children born at the intervals of 3 years each is 38 years. What is the age of the youngest child? Answer Choice: (A) 2 years (B) 3 years (C) 4 years (D) 5 years (E) 6 years
Answer: D
At a certain stage of a soccer tournament, the score ratio of teams A, B and C was 3:4:5. Eventually, the score ratio of A to B has doubled while the score ratio of A to C has halved. If the final score of team C was 40, what was the final score S of team B? Answer Choice: (A) 1)8 (B) 2)10 (C) 3)20 (D) 4)40 (E) 5)80
Answer: A
The difference between two positive integers is 3.if the sum of their squares is 369, the the sum of the numbers is: Answer Choice: (A) 12 (B) 29 (C) 71 (D) 48 (E) 23
Answer: A
The length of a rectangular plot is thrice its breadth. If the area of the rectangular plot is 972 sq m, then what is the breadth of the rectangular plot? Answer Choice: (A) 16 (B) 17 (C) 18 (D) 19 (E) 14
Answer: C
A, B, C, D and E play a game of cards. A says to B, "If you give me three cards, you will have as many as E has and if I give you three cards, you will have as many as D has." A and B together have 10 cards more than what D and E together have. If B has two cards more than what C has and the total number of cards be 133, how many cards does B have ? Answer Choice: (A) 22 (B) 23 (C) 25 (D) 35 (E) 30
Answer: C
A discount electronics store normally sells all merchandise at a discount of 5 percent to 25 percent off the suggested retail price. If, during a special sale, an additional 25 percent were to be deducted from the discount price, what would be the lowest possible price of an item costing $300 before any discount? Answer Choice: (A) $130.00 (B) $160.75 (C) $168.75 (D) $182.00 (E) $168.00
Answer: C
Alice and Bob race around a running track. Alice runs at a constant rate of one lap every 5 minutes and Bob runs at a constant rate of one lap every 6 minutes. If they both start at the same time, how many minutes will it take for Alice to get exactly one lap ahead of Bob? Answer Choice: (A) 30 (B) 32 (C) 35 (D) 36 (E) 40
Answer: A
What is the next number of the following sequence
125, 25, 175, 35, 245, 49 (...) Answer Choice: (A) 282 (B) 343 (C) 393 (D) 434 (E) 515
Answer: B
A train of 24 carriages, each of 60 meters length, when an engine also of 60 meters length is running at a speed of 60 kmph. In what time will the train cross a bridge 3.5 km long? Answer Choice: (A) 4 (B) 3 (C) 5 (D) 7 (E) 9
Answer: C
Difference between the length &breadth of a rectangle is 23 m. If its perimeter is 206 m, then its area is?? We have: (l - b) = 23 and 2(l + b) = 206 or (l + b) = 103? Answer Choice: (A) 2500 m^2 (B) 2540 m^2 (C) 2520 m^2 (D) 2600 m^2 (E) 3000 m^2
Answer: C
If z is a positive integer, which of the following could NOT be the square of z? Answer Choice: (A)  5,008,644 (B)  5,004,169 (C)  4,999,696 (D)  4,995,225 (E)  4,990,752
Answer: E
Kamal started a business investing Rs. 9000. After five months, Sameer joined with a capital of Rs. 8000. If at the end of the year, they earn a profit of Rs. 6970, then what will be the share of Sameer in the profit? Answer Choice: (A) 2388 (B) 2380 (C) 2888 (D) 2663 (E) 2922
Answer: B
A, B and C can do a piece of work in 24 days, 30 days and 40 days respectively. They began the work together but C left 10 days before the completion of the work. In how many days was the work completed? Answer Choice: (A) 12.5 days (B) 16 days (C) 18 days (D) 11 days (E) 38 days
Answer: A
Following the approval of crude oil production cuts by OPEC, the price of crude which has slumped by 28% in the last 3 months is expected to rally and increase by about 5% in the next one month. This will bring the price of crude oil to $60. Answer Choice: (A) 79.4 (B) 75.1 (C) 80.7 (D) 68.3 (E) 89.6
Answer: A
In a simultaneous throw of pair of dice .find the probability of getting the total more than 7 Answer Choice: (A) 5/7 (B) 4/7 (C) 5/12 (D) 4/7 (E) 1/6
Answer: C
A can do half the work in one day where as B can do it full. B can also do half the work of C in one day. Ratio in their efficiency will be? Answer Choice: (A) 3:2:4 (B) 2:2:4 (C) 1:2:4 (D) 4:2:4 (E) 5:2:4
Answer: C
If the wheel is 14 cm then the number of revolutions to cover a distance of 1056 cm is? Answer Choice: (A) 17 (B) 19 (C) 17 (D) 12 (E) 91
Answer: D
Excluding stoppages, the speed of a train is 45 kmph and including stoppages it is 36 kmph. Of how many minutes does the train stop per hour? Answer Choice: (A) 16 (B) 17 (C) 12 (D) 16 (E) 16
Answer: C
Machine X and machine B are each used to manufacture 660 sprockets. It takes machine X 10 hours longer to produce 660 sprockets than machine B. Machine B produces 10 percent more sprockets per hour than machine X. How many sprockets per hour does machine X produces? Answer Choice: (A) 6 (B) 6.6 (C) 60 (D) 100 (E) 110
Answer: A
Sujit incurred a loss of 45% on selling an article for Rs.3960/-. What was the cost price of the article? Answer Choice: (A) Rs.5725/- (B) Rs.5080/- (C) Rs.7200/- (D) Rs.6750/- (E) None of these
Answer: C
10 men working 12 hours daily finish a work in 24 days. In how many days will they finish 1/4th of the work working 8 hours daily? Answer Choice: (A) 9 days (B) 10 days (C) 11 days (D) 12 days (E) 18 days
Answer: A
What sum of money will produce Rs.75 as simple interest in 4 years at 3 1/2 percent? Answer Choice: (A) 337 (B) 500 (C) 266 (D) 288 (E) 536
Answer: E
The present age of a father is 3 years more than three times the age of his son. Three years hence, father's age will be 10 years more than twice the age of the son. Find the present age of the father. Answer Choice: (A) 33 (B) 38 (C) 29 (D) 40 (E) 48
Answer: A
In a function they are distributing noble prize. In how many ways can 3 prizes be distributed among 4 boys when a boy gets any no. of prizes? Answer Choice: (A) 34 (B) 45 (C) 64 (D) 76 (E) 80
Answer: C
In an office, totally there are 6400 employees and 65% of the total employees are males. 25% of the males in the office are at-least 50 years old. Find the number of males aged below 50 years? Answer Choice: (A) 1040 (B) 2080 (C) 3120 (D) 4160 (E) None of these
Answer: C
A reduction of 25% in the price of oil enables a house wife to obtain 5kgs more for Rs.800, what is the reduced price for kg? Answer Choice: (A) 40 (B) 60 (C) 70 (D) 80 (E) 20
Answer: A
In a school with 5 classes, each class has 2 students less than the previous class. How many students are there in the largest class if the total number of students at school is 140? Answer Choice: (A) 28 (B) 29 (C) 30 (D) 31 (E) 32
Answer: E
At a tanning salon, customers are charged $10 for their first visit in a calendar month and $8 for each visit after that in the same calendar month. In the last calendar month, 100 customers visited the salon, of which 30 made a second visit, and 10 made a third visit. All other customers made only one visit. If those visits were the only source of revenue for the salon, what was the revenue for the last calendar month at the salon? Answer Choice: (A) $1220 (B) $1240 (C) $1300 (D) $1340 (E) $1880
Answer: B
A small company employs 3 men and 5 women. If a team of 4 employees is to be randomly selected to organize the company retreat, what is the probability R that the team will have exactly 2 women? Answer Choice: (A) 1/14 (B) 1/7 (C) 2/7 (D) 3/7 (E) 1/2
Answer: D
What number is 70 more than one-fourth of itself? Answer Choice: (A) 93 (B) 225 (C) 288 (D) 324 (E) 336
Answer: A
387 x 387 + 114 x 114 + 2 x 387 x 114 = ? Answer Choice: (A) 250001 (B) 251001 (C) 260101 (D) 261001 (E) None of these
Answer: B
A man misses a bus by 40 minutes if he travels at 30 kmph. If he travels at 40 kmph, then also he misses the bus by 10 minutes. What is the minimum speed required to catch the bus on time? Answer Choice: (A) 22 (B) 45 (C) 66 (D) 88 (E) 12
Answer: B
If m and n are positive integers of T such that m is a factor of n, how many positive multiples of m are less than or equal to 2n ? Answer Choice: (A) 2m/n + 1 (B) 2n/m + 1 (C) 2n/(m+1) (D) 2m/n (E) 2n/m
Answer: E
If the seventh day of a month is three days earlier than Friday, What day will it be on the nineteenth
day of the month? Answer Choice: (A) Saturday (B) Monday (C) Sunday (D) Wednesday (E) None of these
Answer: C
If 11.25 m of a uniform steel rod weighs 42.75 kg. what will be the weight of 9 m of the same rod? Answer Choice: (A) 22.8 kg (B) 34.2 kg (C) 28 kg (D) 26.5 kg (E) None of these
Answer: B
In how many years will a sum of money doubles itself at 5% per annum on simple interest? Answer Choice: (A) 33 (B) 20 (C) 88 (D) 66 (E) 21
Answer: B
There are 70 doors marked with numbers 1 to 70. There are 70 individuals marked 1 to 70.
An operation on a door is defined as changing the status of the door from open to closed or vice versa. All the doors are closed to start with. One at a time, one randomly chosen individual goes and operates the doors. The individual however operates only those doors which are a multiple of the number he/she is carrying. For example, the individual marked with number 5 operates the doors marked with 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, and 70. If every individual in the group gets one turn, then how many doors are open at the end? Answer Choice: (A) 0 (B) 2 (C) 5 (D) 8 (E) 10
Answer: D
A train 240 m in length crosses a telegraph post in 16 seconds. The speed of the train is? Answer Choice: (A) 12 (B) 56 (C) 54 (D) 67 (E) 19
Answer: C
A man crosses a 600 m long street in 5 minutes. What is his speed in km per hour? Answer Choice: (A) 7km/hr (B) 7.2km/hr (C) 5.2km/hr (D) 10km/hr (E) 5km/hr
Answer: B
A broker invested her own money in the stock market. During the first year, she increased her stock market wealth by 75 percent. In the second year, largely as a result of a slump in the stock market, she suffered a 30 percent decrease in the value of her stock investments. What was the net increase or decrease on her overall stock investment wealth by the end of the second year? Answer Choice: (A) −5% (B) 5% (C) 15% (D) 20% (E) 22.5%
Answer: E
In 1978, a kg of paper was sold at Rs25/-.If the paper rate increases at 1.5% more than the inflation rate which is 6.5% a year, then what wil be the cost of a kg of paper after 2 years? Answer Choice: (A) 29.12 (B) 29.16 (C) 30.12 (D) 32.65 (E) None of these
Answer: B