loafeihong/math_mmlu_format huggingface dataset:
What will be the compound interest on a sum of Rs. 40,000 after 3 years at the rate of 11 p.c.p.a.? Answer Choice: (A) Rs. 14705.24 (B) Rs. 14602.25 (C) Rs. 14822.26 (D) Rs. 14322.10 (E) Rs. 15350.23
Answer: A
Find the odd man out. 1050, 510, 242, 103, 46, 16, 3 Answer Choice: (A) 103 (B) 106 (C) 510 (D) 1050 (E) None of these
Answer: A
In a class test, out of N students, if only 1/3 of passed in science and, of those who passed in science subject, 1/5 also passed in maths subject, how many students did not pass in both subjects ? Answer Choice: (A) N/15 (B) 4N/15 (C) 14N/15 (D) N/5 (E) 4N/5
Answer: C
Distance between A and B is 54 miles. Two men started walking from A and B at the same time towards each other. The person who started from A traveled uniformly with average speed 3 mph. While the other man traveled with varying speeds as follows: In first hour his speed was 2 mph, in the second hour it was 2.25 mph, in the third hour it was 2.5 mph, and so on. How fast was B walking when the two men finally meet? Answer Choice: (A)  3 mph (B)  3.5 mph (C)  4 mph (D)  4.5 mph (E)  5 mph
Answer: C
If m and n are two positive integers and m/n = 1.40, then n can equal which one of the following? Answer Choice: (A)  21 (B)  18 (C)  23 (D)  22 (E)  27
Answer: A
Last year a certain bond price with a face value of 5000 yielded 8% of its face value in interest. If that interest was approx 6.5 of the bond's selling price approx what was the bond's selling price? Answer Choice: (A) 4063 (B) 5325 (C) 5351 (D) 6000 (E) 6154
Answer: E
A family pays $700 per year for an insurance plan that pays 60 percent of the first $1,000 in expenses and 100 percent of all medical expenses thereafter. In any given year, the total amount paid by the family will equal the amount paid by the plan when the family's medical expenses total how much? Answer Choice: (A) $1,000 (B) $1,200 (C) $1,500 (D) $1,800 (E) $2,200
Answer: C
What is the thousandths digit in the decimal equivalent of 66/5000? Answer Choice: (A) 0 (B) 1 (C) 3 (D) 5 (E) 6
Answer: C
A boy has Rs 2. He wins or loses Re 1 at a time If he wins he gets Re 1 and if he loses the game he loses Re 1.He can loose only 5 times. He is out of the game if he earns Rs 5.Find the number of ways in which this is possible? Answer Choice: (A) 16 (B) 15 (C) 32 (D) 81 (E) 31
Answer: A
32.32/2000 is equal to: Answer Choice: (A) 1.012526 (B) 0.012625 (C) 0.12526 (D) 0.01616 (E) 0.12725
Answer: D
A train 160 m long passed a pole in 40 sec. How long will it take to pass a platform 320 m long? Answer Choice: (A) 12 (B) 14 (C) 16 (D) 18 (E) 20
Answer: A
Ms. Lovely deposits $ 300 in an account that pays 20% interest, compounded semiannually. How much money will there be in the account at the end of one year? Answer Choice: (A) $118.00 (B) $120.00 (C) $121.00 (D) $122.00 (E) $140.00
Answer: C
In the rectangular coordinate system, points (16, 0) and (– 16, 0) both lie on circle C. What is the maximum possible value of the radius of C ? Answer Choice: (A) 2 (B) 4 (C) 8 (D) 16 (E) None of the above
Answer: D
What is the perimeter, in meters, of a rectangular garden 12 meters wide that has the same area as a rectangular playground 16 meters long and 12 meters wide? Answer Choice: (A) 48 (B) 56 (C) 60 (D) 56 (E) 192
Answer: D
Find the value of (2 − 1/3) (1 − 1/4)(1 − 1/5)……… (1 − 1/99)(1 − 1/100) Answer Choice: (A) 1/15 (B) 1/17 (C) 1/20 (D) 1/21 (E) 3/25
Answer: C
The sum and the product of the roots of the quadratic equation x2 + 20x + 3 = 0 are? Answer Choice: (A) 10, 3 (B) -10, 3 (C) 20, -3 (D) -10, -3 (E) None of these
Answer: E
Jamie's friend Bob is having a party, but Jamie forgot and went to dinner with her friend Emily instead. Bob's party starts in half an hour. Bob lives 30 km away from Jamie, and the restaurant Jamie and Emily are at is three times as far away from Bob's house as Jamie's house is.
How fast would Jamie have to drive in order to get to Bob's party on time? Answer Choice: (A) 30 km/h (B) 45 km/h (C) 60 km/h (D) 75 km/h (E) 90 km/h
Answer: B
For an upcoming charity event, a male vocalist has agreed to sing 3 out of 5 “old songs” and 1 out of 4 “new songs.” How many ways can the singer make his selection? Answer Choice: (A) 240 (B) 50 (C) 150 (D) 480 (E) 600
Answer: A
Find the value of * in the following
(1 5/3) ÷ 3/11 × */11 = (2 2/3 × 7/5 × 6/7) Answer Choice: (A) 2.7 (B) 3 (C) 3.6 (D) 4.5 (E) 4.7
Answer: C
e.	Janet has to pay back her bank loan over 7 months following the below sequence.
$50, $55, $65, $80, $85, $95, ?
How much will she pay back on the seventh month? Answer Choice: (A) $155 (B) $145 (C) $135 (D) $125 (E) $110
Answer: E
In expressing a length 81.472 km as nearly as possible with three significant digits, find the percentage error? Answer Choice: (A) 0.075% (B) 0.156% (C) 0.034% (D) 0.048% (E) 0.152%
Answer: C
A candidate got 35% of the votes polled and he lost to his rival by 2370 votes. How many votes were cast? Answer Choice: (A) 7500 (B) 7900 (C) 2665 (D) 2888 (E) 2661
Answer: B
The speed of a boat in upstream is 100 kmph and the speed of the boat downstream is 112 kmph. Find the speed of the boat in still water and the speed of the stream? Answer Choice: (A) 70, 10 kmph (B) 106, 6 kmph (C) 50, 60 kmph (D) 45, 55 kmph (E) 45, 65 kmph
Answer: B
Find the average of first 30 natural numbers. Answer Choice: (A) A)13.5 (B) B)20.5 (C) C)18.6 (D) D)15.5 (E) E)12.3
Answer: D
A 300 m long train crosses a platform in 39 sec while it crosses a signal pole in 18 sec. What is the length of the platform? Answer Choice: (A) 200 (B) 300 (C) 350 (D) 400 (E) 450
Answer: C
A charitable woman gave one penny more than half pennies in her purse to a farmer .Afterwards she came across a beggar whom she gave 2 pennies more than half of what she had in her purse. In the end she gave 3 pennies more than half of what she had in her purse and left with a penny with her to a boy. Find what she had in the beginning? Answer Choice: (A) 41 (B) 42 (C) 43 (D) 44 (E) 45
Answer: B
Five drainage pipes, each draining water from a pool at the same constant rate, together can drain a certain pool in 12 days. How many additional pipes V, each draining water at the same constant rate, will be needed to drain the pool in 4 days? Answer Choice: (A)  6 (B)  9 (C)  10 (D)  12 (E)  15
Answer: C
If an object travels at five feet per second, how many feet does it travel in one hour? Answer Choice: (A) 3488 (B) 3778 (C) 12788 (D) 1800 (E) 2881
Answer: D
A vendor sold two things at same cost of 17 RS with one item at 25%profit and other at 20%loss,by this transaction he made profit or loss by how much Answer Choice: (A) 0.60 loss (B) 0.75 loss (C) 0.80 loss (D) 0.85 loss (E) 0.40 loss
Answer: D
Which of the following is equal to 3^k*7^(k-1)? Answer Choice: (A) 3*21^(k-1) (B) 7*21^(k-1) (C) 21^k (D) 3*21^k ) (E) 21^(2k-1)
Answer: A
Set A consists of the integers from 3 to 12, inclusive, while set B consists of the integers from 6 to 20, inclusive. How many distinct integers do belong to the both sets at the same time? Answer Choice: (A) 5 (B) 7 (C) 8 (D) 9 (E) 10
Answer: B
In Sivakasi, each boy’s quota of match sticks to fill into boxes is not more than 200 per session. If he reduces the number of sticks per box by 25, he can fill 3 more boxes with the total number of sticks assigned to him. Which of the following is the possible number of sticks assigned to each boy ? Answer Choice: (A) 200 (B) 150 (C) 100 (D) 175 (E) None
Answer: B
A certain musical scale has has 13 notes, each having a different frequency, measured in cycles per second. In the scale, the notes are ordered by increasing frequency, and the highest frequency is twice the lowest. For each of the 12 lower frequencies, the ratio of a frequency to the next higher frequency is a fixed constant. If the lowest frequency is 880 cycles per second, then the frequency of the 7th note in the scale is how many cycles per second? Answer Choice: (A) 880 * sqrt 2 (B) 880 * sqrt (2^7) (C) 880 * sqrt (2^12) (D) 880 * the twelfth root of (2^7) (E) 880 * the seventh root of (2^12)
Answer: A
The product of a and b is equal to 1 more than twice the sum of a and b. If b = 7, what is the value of b - a? Answer Choice: (A) 2 (B) 5 (C) 4 (D) 24 (E) 35
Answer: C
From a seven-member dance group, four will be chosen at random to volunteer at a youth dance event. If Kori and Jason are two of the seven members, what is the probability that both will be chosen to volunteer? Answer Choice: (A) 1/21 (B) 1/7 (C) 4/21 (D) 2/7 (E) 3/7
Answer: D
If a farmer wants to plough a farm field on time, he must plough 120 hectares a day. For technical reasons he ploughed only 85 hectares a day, hence he had to plough 2 more days than he planned and he still has 40 hectares left. What is the area of the farm field and how many days the farmer planned to work initially? Answer Choice: (A) 600 (B) 490 (C) 720 (D) 435 (E) 679
Answer: C
60 persons like apple. 7 like orange and mango dislike apple. 10 like mango and apple and dislike orange. 4 like all. How many people like apple? Answer Choice: (A) 47 (B) 46 (C) 54 (D) 58 (E) 67
Answer: E
Narendra started a business, investing 45000. Six months later, Chandan joined him with 15000. If they make a profit of 10000 at the end of the year, what should be the share of Narendra? Answer Choice: (A) A)Rs.7000 (B) B)Rs.8000 (C) C)Rs.8571 (D) D)Rs.8600 (E) E)Rs.8700
Answer: C
Calculate the simple interest on Rs 12 000 at 15% per annum for the period from 10th January 2017 to 15th March 2014. Answer Choice: (A) Rs. 315.6 (B) Rs. 325.6 (C) Rs. 215.6 (D) Rs. 112.6 (E) Rs. 425.6
Answer: A
The total number of apples and oranges in the refrigerator is 7 more than the total number of oranges and peaches in the refrigerator. How much lesser is the number of peaches in the refrigerator as compared to apples? Answer Choice: (A) 2 (B) 8 (C) 7 (D) 6 (E) 4
Answer: C
The rate of Interest on a sum of money is 11% p.a. for the first 3 years, 4% p.a. for the next 4 years, and 5% for the period beyond 7 years. If the S.I, Occured on the sum for the total period of 8 years is Rs. 540/-, the sum is Answer Choice: (A) 1,000 (B) 2,000 (C) 2,100 (D) 2,250 (E) 2,540
Answer: A
A worker can load one truck in 5 hours. A second worker can load the same truck in 8 hours. If both workers load one truck simultaneously while maintaining their constant rates, approximately how long, in hours, will it take them to fill one truck? Answer Choice: (A) 2.5 (B) 2.7 (C) 2.9 (D) 3.1 (E) 3.3
Answer: D
If (x^2 + 1)y=5, which of the following is not a possible value for y? Answer Choice: (A) 1/2 (B) 2 (C) 4/3 (D) 3 (E) 13/2
Answer: E
The average age of a class of 32 students is 16 yrs. if the teacher's age is also included, the average increases by one year. Find the age of the teacher Answer Choice: (A) 49 Years (B) 51 Years (C) 53 Years (D) 54 Years (E) 55 Years
Answer: A
A bag is bought for Rs.400 and sold at a gain of 25% find its selling price Answer Choice: (A) A)Rs.460/- (B) B)Rs.470/- (C) C)Rs.480/- (D) D)Rs.500/- (E) E)Rs.520/-
Answer: D
If a 3-number code is formed of the integers from 1 to 18 inclusively, and each of the numbers in the code is different, how many possible codes are there? Answer Choice: (A) 4896 (B) 4986 (C) 5076 (D) 5166 (E) 5256
Answer: A
The true discount on a bill of Rs. 2160 is Rs. 360. What is the banker's discount? Answer Choice: (A) Rs. 432 (B) Rs. 422 (C) Rs. 412 (D) Rs. 442 (E) None of these
Answer: A
A shop owner professes to sell his articles at certain cost price but he uses false weights with which he cheats by 10% while buying and by 20% while selling. What is his percentage profit? Answer Choice: (A) 10.22% (B) 20.22% (C) 21.22% (D) 10% (E) Can't be calculated
Answer: D
The area of a base of a cone is 30 cm2. If the height of the cone is 6cm, find its volume? Answer Choice: (A) 87 (B) 16 (C) 17 (D) 60 (E) 18
Answer: D
Linda spent 4/5 of her savings on furniture and the rest on a TV. If the TV cost her $100, what were her original savings? Answer Choice: (A) $900 (B) $300 (C) $500 (D) $700 (E) $800
Answer: C
Two dice are tossed once. What is the probability of getting an even number on the first die or a total sum of 11 on the two dice? Answer Choice: (A) 7/9 (B) 5/9 (C) 11/18 (D) 19/36 (E) 23/36
Answer: D
A person travels equal distances with speeds of 3 km/hr, 4 km/hr and 5 km/hr and takes a total time of 54 minutes. The total distance is? Answer Choice: (A) 1 km (B) 2 km (C) 3 km (D) 3.4 km (E) 5 km
Answer: D
Tough and Tricky questions: Word Problems.
It takes Sarah 25 minutes to do one oil change, and it takes Alice 20 minutes. If Sarah and Alice both begin doing oil changes at exactly 9:00 a.m. without pausing, when is the first time at which they will finish changing the oil of a car simultaneously? Answer Choice: (A) 10:00 a.m. (B) 10:12 a.m. (C) 10:40 a.m. (D) 1:00 p.m. (E) 2:00 p.m.
Answer: C
The sum of the present ages of a father and his son is 60 years. Six years ago, father's age was five times the age of the son. After 8 years, son's age will be: Answer Choice: (A) 12 years (B) 14 years (C) 18 years (D) 20 years (E) 22 years
Answer: E
Prints a page 40 pg per min .If the printed for 2 hours except 20 min.Where there
was an paper jam,how many page did it print Answer Choice: (A) 4,000 (B) 12,880 (C) 14,880 (D) 8,880 (E) 18,880
Answer: A
A basketball coach will select the members of a five-player team from among 15 players, including John and Peter. If the five players are chosen at random, what is the probability that the coach chooses a team that includes both John and Peter? Answer Choice: (A) 1/9 (B) 1/6 (C) 2/21 (D) 5/18 (E) 1/3
Answer: C
From the given equation find the value of y: yÂ² + y - 20 Answer Choice: (A) 5 (B) 4 (C) 3 (D) 2 (E) 1
Answer: B
At a certain supplier, a machine of type A costs $24,000 and a machine of type B costs $50,000. 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) $2,640 (B) $11,200 (C) $12,000 (D) $12,800 (E) $13,200
Answer: A
From the money that Ajay has, he gives as much to Bunti as much as Bunt i has
with him. Bunti then dives as much money to Chintu as much as Chintu has with
him. Finally Chintu gives as much money to Ajay as much as Ajay had before
Chintu gave home the money. How much money did each of the three friends
Ajay, Bunti, and Chintu have with them initially if between them they have totally
Rs 48 and after the transactions each of them have equal amounts? Answer Choice: (A) Rs. 22,14,12 (B) Rs. 22,14,14 (C) Rs. 24,14,12 (D) Rs. 22,16,12 (E) Rs. 27,14,12
Answer: A
In the coordinate plane, points (x, 2) and (4, y) are on line k. If line k passes through the origin and has slope 1/4, then x - y = Answer Choice: (A) 6 (B) 7 (C) 8 (D) 9 (E) 10
Answer: B
When the oil from a circular cylinder leaked, the formula for the speed of the leak is V = kh^2, where h was the height of the remaining oil and k was constant. If the height of the cylinder is 3, the speed of the leak is Vâ€™, When the height of the oil remaining is 9, what was the speed of the leak, in terms of Vâ€™? Answer Choice: (A) 9Vâ€™ (B) 4Vâ€™ (C) Vâ€™/2 (D) Vâ€™/4 (E) Vâ€™
Answer: A
What is the sum of all 3 digit nos formed by {1,3,5,7,9} with nos not repeated Answer Choice: (A) 33300 (B) 34500 (C) 38500 (D) 39800 (E) 45200
Answer: A
Four business people wish to invest in a new company. Each person is willing to pay one fourth of the total investment. After careful calculations, they realize that each of them would pay $6,200 less if they could find two more equal investors. How much is the total investment in the new business? Answer Choice: (A) $74,400 (B) $62,200 (C) $25,000 (D) $ 6,200 (E) $ 4,300
Answer: A
For integers x and y, if 91x = 8y, which of the following must be true?
I. y > x
II. x is not a integer
III. The cube root of x is not an integer Answer Choice: (A) I only (B) II only (C) III only (D) I and II (E) None of these
Answer: E
In a car dealership, they buy cars for Rs.320000 and takes a profit of Rs. 25000. What is the % of profit dealership is making per car? Answer Choice: (A) 9.4% (B) 11.6% (C) 7.8% (D) 10.2% (E) 6.6%
Answer: C
In a recent election, Geoff received 0.5 percent of the 6,000 votes cast. To win the election, a candidate needed to receive more than x% of the vote. If Geoff needed exactly 3,571 more votes to win the election, what is the value of x ? Answer Choice: (A) 50 (B) 54 (C) 56 (D) 60 (E) 63
Answer: D
The area of the largest triangle that can be inscribed in a semicircle pf rasius r Cm, is: Answer Choice: (A) r(power)3 Cm(power)2 (B) r(power)2 Cm(power)3 (C) r(power)3 Cm(power)3 (D) r(power)2 Cm(power)2 (E) None of them
Answer: D
In a recent head-to-head run-off election, 15,000 absentee ballets were cast. 1/5 of the absentee ballets were thrown out and 1/4 of the remaining absentee ballets were cast for Candidate A. How many absentee votes did Candidate B receive? Answer Choice: (A) 2,000 (B) 3,000 (C) 6,000 (D) 8,000 (E) 9,000
Answer: E
Find the 25% of Rs. 500. Answer Choice: (A) s. 50 (B) s. 70 (C) s. 100 (D) s. 125 (E) s. 60
Answer: D
P, Q and R can do a work in 20, 30 and 60 days respectively. How many days does it need to complete the work if P does the work and he is assisted by Q and R on every third day? Answer Choice: (A) 10 days (B) 14 days (C) 15 days (D) 9 days (E) 7 days
Answer: C
A tap can fill a tank in 6 hours. After half the tank is filled three more similar taps are opened. What is the total time taken to fill the tank completely? Answer Choice: (A) 3hrs25 min (B) 3hrs45 min (C) 3hrs75 min (D) 3hrs49 min (E) 3hrs25 min
Answer: B
?% of 360 = 162 Answer Choice: (A) 277 (B) 36 (C) 45 (D) 72 (E) None of these
Answer: C
A can do a piece of work in 90 days & Y can do it in 80 days. They began working together but A leaves after some days and then B completed the remaining work in 46 days. The number of days after which A left the work was? Answer Choice: (A) 10 days (B) 12 days (C) 16 days (D) 18 days (E) 20 days
Answer: C
The perimeter of a triangle is 28 cm and the inradius of the triangle is 2.5 cm. What is the area of the triangle? Answer Choice: (A) 38 cm2 (B) 85 cm2 (C) 65 cm2 (D) 45 cm2 (E) 35 cm2
Answer: E
P is four times as fast as Q and working together, they can complete a work in 15 days. In how many days can Q alone complete the work? Answer Choice: (A) 5 1/4 days (B) 8 3/4 days (C) 16 1/4 days (D) 25 days (E) 18 days
Answer: B
A certain experimental mathematics program was tried out in 2 classes in each of 26 elementary schools and involved 32 teachers. Each of the classes had 1 teacher and each of the teachers taught at least 1, but not more than 3, of the classes. If the number of teachers who taught 3 classes is n, then the least and greatest possible values of n, respectively, are Answer Choice: (A) 0 and 13 (B) 0 and 14 (C) 1 and 10 (D) 1 and 9 (E) 2 and 8
Answer: C
In a sequence, each term is obtained by adding 6 to the preceding one. If the sum of the first 10 terms is equal to 100, what is the result of the addition of the first 30 terms? Answer Choice: (A) 2100 (B) 2170 (C) 2200 (D) 2250 (E) 2400
Answer: A
If each data point in a certain set Q is increased by a factor of 5, what happens with the set's standard deviation? Answer Choice: (A) Doesn't Change (B) Decreases by Factor 5 (C) Increases by Factor 5 (D) Increases by 5 (E) Can't be determined
Answer: C
A, B, C, D and E are 5 consecutive points on a straight line. If BC = 2CD, DE = 7, AB = 5 and AC = 11, what is the length of AE? Answer Choice: (A) 19 (B) 21 (C) 23 (D) 25 (E) 27
Answer: B
Find the sum lend at C.I. at 5 p.c per annum will amount to Rs.500 in 2 years? Answer Choice: (A) 221 (B) 287 (C) 453 (D) 288 (E) 171
Answer: C
Ratio between Rahul and Deepak is 4:3, After 4 Years Rahul age will be 32 years. What is Deepak present age. Answer Choice: (A) 14 (B) 15 (C) 20 (D) 21 (E) 24
Answer: D
The length of a train and that of a platform are equal. If with a speed of 54 k/hr, the train crosses the platform in one minute, then the length of the train (in meters) is? Answer Choice: (A) 757 (B) 450 (C) 718 (D) 750 (E) 738
Answer: B
A person bought an article and sold it at a loss of 10%. If he had bought it for 20% less and sold it for Rs.75 less, he could have gained 25%. What is the cost price? Answer Choice: (A) Rs.250 (B) Rs.277 (C) Rs.297 (D) Rs.277 (E) Rs.299
Answer: A
There are 15 teams in a soccer league and each team plays each of the other teams once. How many games will be played in total? Answer Choice: (A) 105 (B) 110 (C) 115 (D) 120 (E) 125
Answer: A
If a,b are positive integers and a/b=80.75 which of the following could be the value of b? Answer Choice: (A) 1. 25 (B) 2. 26 (C) 3. 27 (D) 4. 24 (E) 5. 30
Answer: D
342 Answer Choice: (A) 9 (B) 8 (C) 6 (D) 5 (E) 4
Answer: C
In how many ways can the letters of word "EDUCATION" be arranged such that all the vowels as well as all the Consonants always appear together? Answer Choice: (A) 9! (B) 5!*4! (C) 5!*5! (D) 5!*4!*2! (E) 6!*4!
Answer: D
How much is 80% of 40 is greater than 4/5 of 20? Answer Choice: (A) 12 (B) 27 (C) 18 (D) 16 (E) 81
Answer: D
In a group of 89 students, 36 are taking History, and 32 are taking Statistics. If 59 students are taking History or Statistics or both, then how many students are taking History but not Statistics? Answer Choice: (A) 9 (B) 19 (C) 27 (D) 26 (E) 31
Answer: C
What is the area of an obtuse angled triangle whose two sides are 8 and 12 and the angle included between the two sides is 150o? Answer Choice: (A) 24 sq units (B) 48 sq units (C) 24 under root 3 (D) 48 under root 3 (E) Such a triangle does not exist
Answer: A
Several people are sitting around a round table playing a card game with a deck of 49 cards. Each person is dealt one card per deal, and the cards are dealt in a clockwise fashion. If Martin is dealt both the first card of the deck and the last card of the deck, which of the following could be the total number of people sitting at the table? Answer Choice: (A) 4 (B) 5 (C) 7 (D) 11 (E) 13
Answer: A
At what time between 2 and 3 o'clock will the hands of a clock be together? Answer Choice: (A) 120/11 min. past 3 (B) 120/11 min. past 2 (C) 120/11 min. past 1 (D) 120/11 min. past 5 (E) 120/11 min. past 4
Answer: B
Two pipes can fill the cistern in 10hr and 12 hr respectively, while the third empty it in 30hr. If all pipes are opened simultaneously, then the cistern will be filled in Answer Choice: (A) 6.67 hr (B) 8 hr (C) 8.5 hr (D) 10 hr (E) None of these
Answer: A
Today is Monday. After 51 days, it will be : Answer Choice: (A) Thursday (B) Saturday (C) Monday (D) Sunday (E) Wednesday
Answer: E
In the quiet town ofNothintodothere are 700 inhabitants, 400 are unemployed and 300 are somnambulists. If half of the somnambulists are unemployed, how many are employed and are not somnambulists? Answer Choice: (A) 50. (B) 100. (C) 150. (D) 200. (E) 300.
Answer: C
9 friends went to a super market, and everyone decided to contribute equally to the total bill of $900. If one of the friends had a coupon for 10% off the total bill, and if each friend still contributed equally after the coupon was applied to the bill, how much did each friend pay? Answer Choice: (A) 30 (B) 60 (C) 80 (D) 90 (E) 95
Answer: D
In a certain apartment building, there are one-bedroom and two-bedroom apartments. The rental prices of the apartment depend on a number of factors, but on average, two-bedroom apartments have higher rental prices than do one-bedroom apartments. Let M be the average rental price for all apartments in the building. If M is $2,000 higher than the average rental price for all one-bedroom apartments, and if the average rental price for all two-bedroom apartments is $8,000 higher that M, then what percentage of apartments in the building are two-bedroom apartments? Answer Choice: (A) 20% (B) 25% (C) 50% (D) 60% (E) 27%
Answer: A
What is the minimum percentage increase in the mean of set D {-4, -1, 0, 6, 9} if its two smallest elements are replaced with two different primes? Answer Choice: (A)  25% (B)  50% (C)  75% (D)  100% (E)  200%
Answer: D