loafeihong/math_mmlu_format huggingface dataset:
3 buffaloes eat as much as 4 cows or 2 oxen. At a farm there are 15 buffaloes, 8 oxen and 24 cows. The fodder for these cattle is available for 24days. If 8 more cows & 9 more buffaloes are brought in, how long will the fodder last? Answer Choice: (A) 10 (B) 13 (C) 15 (D) 18 (E) 21
Answer: D
Consider below info to be a table:
AMOUNT OF BACTERIA
TIME - AMOUNT
1PM - 10gms
4PM - x gms
7PM - 12.1 gms
Data for a certain biology experiment are given in the table above. If the amount of bacteria present increased by the same factor during each of the two 3-hour periods shown, how many grams of bacteria were present at 4PM ? Answer Choice: (A) 12.0 (B) 12.1 (C) 12.2 (D) 12.3 (E) 11.0
Answer: E
There were 36,000 hardback copies of a certain novel sold before the paperback version was issued. From the time the first paperback copy was sold until the last copy of the novel was sold 8 times as many paperback copies as hardback copies were sold. If a total of 441,000 copies of the novel were sold in all, how many paperback copies were sold? Answer Choice: (A) 45,000 (B) 360,000 (C) 364,500 (D) 392,000 (E) 405,000
Answer: E
If two dice are thrown together, the probability of getting a doublet on the dice is Answer Choice: (A) 1/6 (B) 1/5 (C) 1/4 (D) 1/3 (E) 1/2
Answer: A
The number obtained by interchanging the two digits of a two-digit number is less than the original number by 45. If the sum of the two digits of the number so obtained is 13, then what is the original number? Answer Choice: (A) 22 (B) 94 (C) 27 (D) 19 (E) 11
Answer: B
An office manager must choose a five-digit lock code for the office door. The first and last digits of the code must be odd, and no repetition of the digits is allowed. How many different lock codes are possible.? Answer Choice: (A) 3120 (B) 3250 (C) 3275 (D) 3860 (E) 3980
Answer: A
In the number 11,0AB, A and B represent the tens and units digits, respectively. If 11,0AB is divisible by 52, what is the greatest possible value of B × A? Answer Choice: (A) 0 (B) 5 (C) 10 (D) 15 (E) 22
Answer: E
For an employee to qualify for early retirement at a certain company, the sum of the employee’s age and years of service must be at least 78, If Sue was K years old when she was hired by the company, what is the minimum age at which she could possibly qualify for early retirement? Answer Choice: (A) K+39 (B) 2K+39 (C) (78+K)/2 (D) (78-K)/2 (E) 2(78-K)
Answer: C
A dealer offers a cash discount of 20% and still makes a profit of 20% when he further allows 10 articles to be sold at the cost price of 9 articles to a particular sticky bargainer. How much percent above the cost price were his articles listed? Answer Choice: (A) 50% (B) 55% (C) 60% (D) 66+(2/3)% (E) 80%
Answer: D
Juan is a gold medalist in athletics. In the month of May, if Juan takes 8 seconds to run y yards, how many seconds will it take him to run x yards at the same rate? Answer Choice: (A) 8x/y (B) 11x/y (C) 9x/y (D) 12x/y (E) 13x/y
Answer: A
Two pipes P and Q can fill a cistern in 11 and 15 minutes respectively. Both are opened together, but at the end of 3 minutes the first is turned off. How much longer will the cistern take to fill? Answer Choice: (A) 1/8 (B) 1/4 (C) 2/4 (D) 10/11 (E) 1/4
Answer: D
Find the average of all even numbers upto 75. Answer Choice: (A) 35 (B) 36 (C) 38 (D) 34 (E) 37
Answer: C
The weights of three boys are in the ratio 4 : 5 : 6. If the sum of the weights of the heaviest and the lightest boy is 45 kg more than the weight of the third boy, what is the weight of the lightest boy? Answer Choice: (A) 39 kg (B) 36 kg (C) 32 kg (D) 31 kg (E) 96 kg
Answer: B
The simple interest and the true discount on a certain sum for a given time and at a given rate are Rs. 88 and Rs. 80 respectively. The sum is: Answer Choice: (A) 880 (B) 1450 (C) 1600 (D) 1800 (E) None
Answer: A
Two trains running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively and they cross each other in 21 seconds. The ratio of their speeds is? Answer Choice: (A) 3/6 (B) 3/2 (C) 2/3 (D) 3/5 (E) 5/2
Answer: C
6 letters have to be put into their 6 respective envelopes. If the letters are inserted randomly into the envelopes, what is the probability that all the letters go into their respective envelopes? Answer Choice: (A) 1/720 (B) 1/60 (C) 1/120 (D) 1/240 (E) 3/5
Answer: A
In a bag there are coins of 50 paisa, 25 paisa and one rupee in the proportion 5:6:2. If there are in all Rs.34, the number of 25 paisa coins is? Answer Choice: (A) 30 (B) 31 (C) 32 (D) 34 (E) 38
Answer: D
The expression (11.98 × 11.98 + 11.98 × x + 0.02 × 0.02) will be a perfect square for x equal to Answer Choice: (A) 0.02 (B) 0.2 (C) 0.04 (D) 0.4 (E) 4
Answer: C
The owner of a furniture shop charges his customer 15% more than the cost price. If a customer paid Rs. 8325 for a computer table, then what was the cost price of the computer table? Answer Choice: (A) Rs.6725 (B) Rs.7239.13 (C) Rs.6908 (D) Rs.6725 (E) Rs.6728
Answer: B
Sam took a loan from his local bank to support his small business. He is expected to double the amount he paid the previous month till he repays a total of $128000. His first payment is $250. Answer Choice: (A) 10 (B) 14 (C) 12 (D) 13 (E) 15
Answer: D
What is the smallest number which when increased by 3 is divisible by 18, 70, 100 and 84? Answer Choice: (A) 5307 (B) 5647 (C) 5927 (D) 6297 (E) 6557
Answer: D
Tough and Tricky questions: Statistics.
Set X consists of prime numbers {3, 11, 7, G, 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
The C.P of 30 books is equal to the S.P of 40 books. Find his gain% or loss%? Answer Choice: (A) 23% (B) 24% (C) 25% (D) 50% (E) 40%
Answer: C
A no. when divided by the sum of 555 and 445 gives 2times their difference as quotient & 30 as remainder. Find the no. is? Answer Choice: (A) 122443 (B) 154546 (C) 165454 (D) 186545 (E) 220030
Answer: E
A certain manufacturer sells its products	to stores in 113 different	regions worldwide, with an average (arithmetic mean) of 171 stores per region. If last year these stores sold an	average of 51,752 units of the manufacturer’s product per store, which of the following is closest to the total number of units of manufacturer’s product	sold	worldwide last	year? Answer Choice: (A) 10^5 (B) 10^6 (C) 10^7 (D) 10^8 (E) 10^9
Answer: E
How many keystrokes are needed to type numbers from 1 to 200? Answer Choice: (A) 400 (B) 500 (C) 492 (D) 200 (E) None of these
Answer: C
Three people who work full-time are to work together on a project, but their total time on the project is to be equivalent to that of only one person working full-time. If one of the people is budgeted for 1/2 of his time to the project and a second person for 1/3 of her time, what part of the third worker's time should be budgeted to this project? Answer Choice: (A) 1/3 (B) 1/4 (C) 1/6 (D) 1/8 (E) 1/9
Answer: A
A rectangular grassy plot 110m by 65cm has a gravel path .5cm wide all round it on the inside. Find the cost of gravelling the path at 80 paise per sq.mt Answer Choice: (A) 680 (B) 378 (C) 267 (D) 299 (E) 271
Answer: A
Two pipes can fill a tank in 15 minutes and 15 minutes. An outlet pipe can empty the tank in 45 minutes. If all the pipes are opened when the tank is empty, then how many minutes will it take to fill the tank? Answer Choice: (A) 1/15 (B) 1/16 (C) 1/11 (D) 1/9 (E) 1/12
Answer: D
The average (arithmetic mean) of four numbers is 4x + 9. If one of the numbers is x, what is the average of the other three numbers? Answer Choice: (A) x + 1 (B) 3x + 3 (C) 5x + 1 (D) 5x + 4 (E) 5x + 12
Answer: E
How many litres of pure acid are there in 15 litres of a 20% solution Answer Choice: (A) 4 (B) 5 (C) 2 (D) 3 (E) 1
Answer: D
We have 20 thousand dollars that must be invested among 4 possible
mutual funds. Each investment must be in units of 1 thousand dollars,
and there are minimal investments that need to be made if one is to
invest in these funds. The minimal investments are 2, 2, 3 and 4 thou-
sand dollars. How many dierent investment strategies are available if
an investment must be made in each mutual fund? Answer Choice: (A) 220 (B) 240 (C) 260 (D) 280 (E) 300
Answer: A
A rectangular courtyard, the sides of which are in the ratio of 4:3, cost Rs.600 for paving at 50 p per m2; find the length of the diagonal of the courtyard? Answer Choice: (A) 17 m (B) 45 m (C) 54 m (D) 77 m (E) 34 m
Answer: B
what is the least number by which 16,800 must be divided to get a number perfect square Answer Choice: (A) 21 (B) 42 (C) 24 (D) 40 (E) 45
Answer: B
What is the value of (44444445*88888885*44444442+44444438/44444444^2) Answer Choice: (A) 88888883 (B) 88888884 (C) 88888885 (D) 88888886 (E) 88888873
Answer: A
The concentration of spirit in three different vessels A, B and C are 45%, 30% and 25% respectively. If 4 litres from vessel A, 5 litres from vessel B and 6 litres from vessel C are mixed, find the concentration of spirit in the resultant solution. Answer Choice: (A) 32% (B) 33% (C) 34% (D) 35% (E) 36%
Answer: A
A sum of money invested at compound interest to Rs. 800 in 3 years and to Rs 830 in 4 years. The
rate on interest per annum is. Answer Choice: (A) 4.60% (B) 5.55% (C) 7.66% (D) 7.0% (E) 3.75%
Answer: E
A person crosses a 800 m long street in 5 minutes. What is his speed in km per hour? Answer Choice: (A) 1.23 (B) 2.86 (C) 4.36 (D) 9.25 (E) 9.61
Answer: E
If the average (arithmetic mean) of (2a+16) and (3a-8) is 89, what is the value of a? Answer Choice: (A) 25 (B) 30 (C) 28 (D) 34 (E) 42
Answer: D
A regular nine side is inscribed in a circle. If A and B are adjacent vertices of the pentagon and O is the center of the circle, what is the value of ∠OAB ? Answer Choice: (A) 48 degrees (B) 54 degrees (C) 72 degrees (D) 70 degrees (E) 108 degrees
Answer: D
Find the greatest number which leaves the same remainder when it divides 25, 50 and 120. Answer Choice: (A) 18 (B) 5 (C) 12 (D) 16 (E) None of these
Answer: B
Ayesha's father was 28 years of age when she was born while her mother was 20 years old when her brother four 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) 12 years (D) 8 years (E) 10 years
Answer: C
A can do a piece of work in 10 days and B alone can do it in 15 days. How much time will both take to finish the work ? Answer Choice: (A) 2 days (B) 7 days (C) 6 days (D) 9 days (E) 3 days
Answer: C
What is the mass of the man, if a boat of length 4m, width 1.5m floating on a river sinks by 0.015 m when the man gets on the boat? Answer Choice: (A) 100kg (B) 90kg (C) 80kg (D) 70kg (E) None of these
Answer: B
Which of the following is equal to 1(1/4)%? Answer Choice: (A) 0.012/100 (B) 0.12/100 (C) 1.25/100 (D) 12/100 (E) 12/10
Answer: C
The H.C.F. of two numbers is 12 and their difference is 12. The numbers are : Answer Choice: (A) 66, 78 (B) 70, 82 (C) 94, 106 (D) 84, 96 (E) None of these
Answer: D
The median annual household income in a certain community of 21 households is $50,000. If the mean E income of a household increases by 10% per year over the next 2 years, what will the median income in the community be in 2 years? Answer Choice: (A)  $50,000 (B)  $60,000 (C)  $60,500 (D)  $65,000 (E)  Cannot be determined
Answer: E
A group of 3 CEOs and 2 employees recently frequented the Bohemian Ala Restaurant. The total bill for the meal, including 20% gratuity, came to $600. On average, how much did the meal of each individual cost before gratuity? Answer Choice: (A) $160 (B) $96 (C) $90 (D) $10 (E) $55
Answer: D
4 dice are thrown simultaneously on the board. Find the probability show the same face. Answer Choice: (A) 1/115 (B) 2/113 (C) 1/216 (D) 3/114 (E) None
Answer: C
P can do a work in the same time in which Q and R together can do it. If P and Q work together, the work can be completed in 10 days. R alone needs 50 days to complete the same work. then Q alone can do it in Answer Choice: (A) 30 days (B) 25 days (C) 20 days (D) 15 days (E) 24 days
Answer: B
Sahil purchased a machine at Rs 10000, then got it repaired at Rs 5000, then gave its transportaƟon
charges Rs 1000. Then he sold it with 50% of profit. At what price he actually sold it Answer Choice: (A) Rs. 22000 (B) Rs. 24000 (C) Rs. 26000 (D) Rs. 28000 (E) None of these
Answer: B
If a, b, and c are consecutive positive even integers and a > b > c, which of the following could be equal to a - b - c ? Answer Choice: (A) 6 (B) 2 (C) -1 (D) -3 (E) -4
Answer: E
Two cars A and B start from Boston and New York respectively simultaneously and travel towards each other at constant speeds along the same route. After meeting at a point between Boston and New York the two cars A and B proceed to their respective destinations of New York and Boston. Car A reaches New York 100 minutes after the two cars have met and Car B reaches Boston 90 minutes after they have met. How long did Car A take to cover the distance between Boston and New York? Answer Choice: (A) 1 hour (B) 1 hour 10 minutes (C) 2 hours 30 minutes (D) 1 hour 40 minutes (E) 2 hours 40 minutes
Answer: E
In a kilometer race, A beats B by 48 meters or 12 seconds. What time does A take to complete the race? Answer Choice: (A) 238 sec (B) 190 sec (C) 667 sec (D) 167 sec (E) 176 sec
Answer: A
In how many ways Principal and a vice Principle can be elected from a team of 20 members? Answer Choice: (A) 480 (B) 380 ways (C) 830 (D) 840 (E) 540
Answer: B
Set A of 8 positive integers may have the same element and have 36. And set B of 8 positive integers must have different elements and have 36. When m and n are the greatest possible differences between 36 and other elements’ sums in set A and set B, respectively, m-n=? Answer Choice: (A) 20 (B) 21 (C) 23 (D) 25 (E) 26
Answer: B
John spent a total of $135 on baseball tickets. The price of a ticket is either $12 for the field seats or $5 for the balcony. What is the minimum amount Z of dollars he could have spent for the $12 tickets? Answer Choice: (A) $48 (B) $60 (C) $84 (D) $96 (E) $120
Answer: B
Free notebooks were distributed in a class among all the students. Each student got notebooks which were one-eighth of the number of student. If number of student been half, then each child would have received 16 notebooks in total. Find the total number of books distributed among students? Answer Choice: (A) 234 (B) 254 (C) 265 (D) 340 (E) 512
Answer: E
Find the largest 4 digit number which isexactly divisible by 88? Answer Choice: (A) 8560 (B) 8950 (C) 9944 (D) 10000 (E) 10200
Answer: C
A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If two marbles are drawn at random, what is the probability that at least one is green? Answer Choice: (A) 23/35 (B) 23/37 (C) 23/39 (D) 23/32 (E) 23/31
Answer: A
By selling a watch for Rs. 720/- a man loses 20% at what price should he sell it to gain 10%? Answer Choice: (A) Rs.810/- (B) Rs.880/- (C) Rs.900/- (D) Rs.990/- (E) None of these
Answer: D
7, 10, 8, 11, 9, 12, ? Answer Choice: (A) 13 (B) 12 (C) 10 (D) 9 (E) 8
Answer: C
An unbiased die is tossed.Find the probability of getting a multiple of 3. Answer Choice: (A) 1 (B) 4/3 (C) 1/3 (D) 2/3 (E) 1/2
Answer: C
To furnish a room in a model home an interior decorator is to select 2 chairs and 2 tables from the collection of chairs and tables in a warehouse that are all different from each other. If there are 5 chairs in the warehouse and if 150 different combinations are possible, how many tables w are there in the warehouse? Answer Choice: (A) 6 (B) 8 (C) 10 (D) 15 (E) 30
Answer: A
Two pipes A and B can fill a tank in 12 and 24 minutes respectively. If both the pipes are used together, then how long will it take to fill the tank? Answer Choice: (A) 5 minutes (B) 10 minutes (C) 9 minutes (D) 7 minutes (E) 8 minutes
Answer: E
The present worth of Rs.845 due in 2 years at 4% per annum compound interest is Answer Choice: (A) Rs.150.50 (B) Rs.154.75 (C) Rs.781.25 (D) Rs.158 (E) None
Answer: C
The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero? Answer Choice: (A) 0 (B) 1 (C) 10 (D) 19 (E) 8
Answer: D
Two musicians, Maria and Perry, work at independent constant rates to tune a warehouse full of instruments. If both musicians start at the same time and work at their normal rates, they will complete the job in 45 minutes. However, if Perry were to work at thrice Maria’s rate, they would take only 20 minutes. How long would it take Perry, working alone at his normal rate, to tune the warehouse full of instruments? Answer Choice: (A) 1 hr 20 min (B) 1 hr 7 min (C) 2 hr (D) 2 hr 20 min (E) 3 hr
Answer: B
A fair gold coin with sides marked heads and tails is to be tossed eight times. What is the probability that the coin will land tails side up more than five times? Answer Choice: (A) A)37/256 (B) B)56/256 (C) C)65/256 (D) D)70/256 (E) E)81/256
Answer: A
Suppose we have six marbles: 3 blue marbles, 2 red marbles, and one green marble. Suppose we are going to put them into three cups: a black cup, a white cup, and a purple cup. We could put all six in any cup and leave two cups empty; or we could put marbles in two cups and leave one cup empty; or we could put some marbles in each of the three cups. How many combinations are possible? Answer Choice: (A) 90 (B) 180 (C) 360 (D) 540 (E) 720
Answer: B
A train running at the speed of 52 km/hr crosses a pole in 18 seconds. What is the length of the train? Answer Choice: (A) 120 metres (B) 180 metres (C) 260 metres (D) 150 metres (E) 100 meters
Answer: C
When a train travels at a speed of 60kmph,it reaches the destination on time.when the same train travels at a speed of 50kmph,it reaches its destination 15min late.what is the length of journey? Answer Choice: (A) 75km (B) 50km (C) 60km (D) 85km (E) 95km
Answer: A
A jogger running at 9 kmph along side a railway track is 250 metres ahead of the engine of a 120 metre long train running at 45 kmph in the same direction. In how much time will the train pass the jogger? Answer Choice: (A) 3.6 sec (B) 37 sec (C) 36 sec (D) 72 sec (E) None of these
Answer: B
What is the next number of the following sequence
7776,625,64,9,2 Answer Choice: (A) 1 (B) 2 (C) 3 (D) 4 (E) 5
Answer: A
One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill the tank in 35 minutes, then the slower pipe alone will be able to fill the tank in Answer Choice: (A) 144 mins (B) 140 mins (C) 136 mins (D) 132 minw (E) None of these
Answer: B
In a division sum,the divisor is 10 times the quotient and 5 times the remainder.If the remainder is 46,what is the dividend ? Answer Choice: (A) 5336 (B) 5242 (C) 6524 (D) 3526 (E) 4526
Answer: A
If in a cricket one day match, there were no wide balls, no wides, no extras and no overthrows.
What is the maximum number of runs that a batsman can score in 30 overs in an ideal case scenario? Answer Choice: (A) 1020 (B) 993 (C) 985 (D) 996 (E) None
Answer: B
3.5 can be expressed in terms of percentage as? Answer Choice: (A) 0.35% (B) 3.5% (C) 35% (D) 350% (E) 0.0035%
Answer: D
If X = Z*Y/Y, -10 < Z < 0 and 5 < Y, which of the following is correct? Answer Choice: (A) X > 9. (B) 0 < X <9. (C) -9 < X < 0 (D) X < -10. (E) X>-10
Answer: E
Dacid obtained 70, 63, 80, 63 and 65 marks (out of 100) in English, Mathematics, Physics, Chemistry and Biology. What are his average marks? Answer Choice: (A) 67 (B) 26 (C) 87 (D) 26 (E) 68
Answer: E
What is the median from the below series
101, 105, 103, 109, 107, 110, 115, 113, and 114 Answer Choice: (A) 105 (B) 107 (C) 101 (D) 113 (E) 109
Answer: E
In what time a debt of Rs.7920 due may be cleared by immediate cash down
payment of Rs.3600 at 1/2% per month Answer Choice: (A) 10years (B) 20years (C) 30years (D) 40years (E) 50years
Answer: B
Three grades of milk are 1 percent, 5 percent and 3 percent fat by volume. If x gallons of the 1 percent grade, y gallons of the 5 percent grade, and z gallons of the 3 percent grade are mixed to give x+y+z gallons of a 7 percent grade, what is x in terms of y and z? Answer Choice: (A) -1y - 2z (B) (y +z) / 4 (C) 2y + 3z (D) 3y + z (E) 3y + 4.5z
Answer: A
A tank is filled by 3 pipes A,B,C in 6 hours. Pipe C is twice as fast as B and B is twice as fast as A. How much will pipe A alone take to fill the tank ? Answer Choice: (A) 25hr (B) 42hr (C) 40hr (D) 20hr (E) 50hr
Answer: B
Two trains are moving in the same direction at 72 kmph and 36 kmph. The faster train crosses a man in the slower train in 20 seconds. Find the length of the faster train? Answer Choice: (A) 270 (B) 277 (C) 200 (D) 257 (E) 271
Answer: C
If you roll one fair six-sided die, what is the probability that the number is even or less than 5? Answer Choice: (A) 3/4 (B) 5/6 (C) 1/2 (D) 2/3 (E) 1/6
Answer: B
A person was asked to subtract 25% of a number from the original but he subtracted 25 from the number. His answer was 25 more than correct one. What was the original number? Answer Choice: (A) 160 (B) 170 (C) 180 (D) 200 (E) 220
Answer: D
The average weight of a group of persons increased from 48 kg to 51 kg, when two persons weighing 78 kg and 93 kg join the group. Find the initial number of members in the group? Answer Choice: (A) 26 (B) 28 (C) 23 (D) 28 (E) 21
Answer: C
Present ages of Sameer and Anand are in the ratio of 5:4 respectively. Three years hence, the ratio of their ages will become 11:9 respectively. What is Anand's present age in years? Answer Choice: (A) 24 years (B) 28 years (C) 27 years (D) 16 years (E) 09 years
Answer: A
The ratio of the earnings of P and Q is 9 : 10. If the earnings of P increases by one-fourth and the earnings of Q decreases by one-fourth, then find the new ratio of their earnings? Answer Choice: (A) 3/6 (B) 3/2 (C) 3/9 (D) 3/1 (E) 3/5
Answer: B
A jogger running at 9 km/hr along side a railway track is 240 m ahead of the engine of a 210 m long train running at 45 km/hr in the same direction. In how much time will the train pass the jogger? Answer Choice: (A) 88 (B) 45 (C) 36 (D) 80 (E) 12
Answer: B
Given that 100.48 = x, 100.70 = y and xz = y², then the value of z is close to Answer Choice: (A) 1.2 (B) 1.45 (C) 2.2 (D) 2.9 (E) NOne
Answer: D
The probability that A speaks truth is 1/5 and that of B speaking truth is 4/7. What is the probability that they agree in stating the same fact? Answer Choice: (A) 13/35 (B) 18/38 (C) 18/36 (D) 18/16 (E) 18/31
Answer: A
A farm used two harvesting machines, H and K, to harvest 100 acres of wheat. Harvesting machine H, working alone at its constant rate, harvested 50 acres of wheat in 8 hours. Then harvesting machine K was brought in, and harvesting machines H and K, working together at their respective constant rates, harvested the remaining acres of wheat in 5 hours. Harvesting machine K harvested how many acres of wheat per hour? Answer Choice: (A)  7 (B)  5 (C)  12 (D)  13 (E)  15
Answer: B
The average of ten numbers is 8. If each number is multiplied by 8, then what is the average of the new set of numbers? Answer Choice: (A) 8 (B) 16 (C) 64 (D) 80 (E) 88
Answer: C
If x is to be chosen at random from the set {1,2,3,4} and y is to be chosen at random from the set {7,8,9}, what`s the probability that xy will be even? Answer Choice: (A) 2/3 (B) 1/3 (C) 1/2 (D) 1/6 (E) 5/6
Answer: A
Find the solution set of the equation x2+x+2=0 in roster form Answer Choice: (A) {1,-2} (B) { } (C) {1,1} (D) {1} (E) none
Answer: A
If an integer n is to be selected at random from 1 to 99, inclusive, what is probability n(n+1) will be divisible by 3? Answer Choice: (A) 1/4 (B) 1/3 (C) 1/2 (D) 2/3 (E) 3/4
Answer: D
Find the compound interest on $ 56,000 at 20% per annum for 9 months, compounded quarterly Answer Choice: (A) 2532 (B) 2552 (C) 6524 (D) 8827 (E) 9512
Answer: D
A train overtakes two girls who are walking in the opposite direction in which the train is going at the rate of 3 km/h and 6km/h and passes them completely in 36 seconds and 30 seconds respectively. The length of the train is: Answer Choice: (A) 120m (B) 150m (C) 125m (D) None of these (E) Cannot be determined
Answer: B