loafeihong/math_mmlu_format huggingface dataset:
A certain ski shop sells pairs of gloves in 12 different colors. If one pair of each color is dropped in a bag and a store clerk reaches in to draw two individual gloves simultaneously and at random, what is the probability that she draws two gloves of the same color? Answer Choice: (A) 1/144 (B) 1/143 (C) 1/24 (D) 1/23 (E) 1/12
Answer: D
In an office, totally there are 2200 employees and 40% of the total employees are males. 30% of the males in the office are at-least 50 years old. Find the number of males aged below 50 years? Answer Choice: (A) 661 (B) 600 (C) 620 (D) 616 (E) None of these
Answer: D
A man is 20 years older than his son. In two years, his age will be twice the age of his son. The present age of the son is? Answer Choice: (A) 11 (B) 25 (C) 27 (D) 18 (E) 91
Answer: D
If 5^25 * 4^13 = 2 * 10^n, what is the value of n? Answer Choice: (A) 11 (B) 25 (C) 22 (D) 23 (E) 32
Answer: B
The volume of a certain substance is always directly proportional to its weight. If 48 cubic inches of the substance weigh 112 ounces, what is the volume, in cubic inches, of 53 ounces of this substance? Answer Choice: (A) 27 (B) 36 (C) 42 (D) 22 (E) 147
Answer: D
There are 750 male and female participants in a meeting. Half the female participants and one-quarter of the male participants are Democrats. One-third of all the participants are Democrats. How many of the Democrats are female? Answer Choice: (A) 75 (B) 100 (C) 125 (D) 175 (E) 225
Answer: C
If (y - 2)(z - 3) + 5(z - 3) = 0, then which of the following must be true? Answer Choice: (A)  y = -4 and z = -3 (B)  y = -4 or z = -3 (C)  y = -4 or z = 3 (D)  y = 1 and z = 2 (E)  y = 1 or z = -1
Answer: C
A and B can do a work in 2 days, B and C in 6 days and C and A in 8 days. In how many days will the work be completed, if all three of them work together? Answer Choice: (A) 12/28 (B) 48/19 (C) 16/48 (D) 18/48 (E) 12/64
Answer: B
What will come in place of the x in the following Number series? 12, 38, 116, 350, 1052, x Answer Choice: (A) 2545 (B) 2640 (C) 3000 (D) 4000 (E) 3158
Answer: E
How many two-digit numbers satisfy this property.: The last digit (unit's digit) of the square of the two-digit number is 7 ? Answer Choice: (A) 3 (B) 1 (C) 4 (D) 0 (E) 2
Answer: D
A man walks at a speed of 3 km/hr and runs at a speed of 7 km/hr. How much time will the man require to cover a distance of 10 1/2 km, if he completes half of the distance, i.e., (5 1/4) km on foot and the other half by running? Answer Choice: (A) 2 1/5 (B) 2 1/6 (C) 2 1/3 (D) 2 1/2 (E) 2 1/1
Answer: D
Each writer for the local newspaper is paid as follows: a dollars for each of the first t stories each month, and a + b dollars for each story thereafter, where a > b. How many more dollars will a writer who submits t + a stories in a month earn than a writer who submits t + b stories? Answer Choice: (A) (a – b)( a + b + t) (B) a – b (C) a^2 – b^2 (D) t( a – b) (E) at + bt – at
Answer: C
A trader bought a car at 20% discount on its original price. He sold it at a 60% increase on the price he bought it. What percent of profit did he make on the original price? Answer Choice: (A) A)10% (B) B)12% (C) C)14% (D) D)20% (E) E)28%
Answer: E
If a sum on compound interest becomes three times in 4 years, then with the same interest rate, the sum will become 81 times in: Answer Choice: (A) 12 years (B) 18 years (C) 16 years (D) 14 years (E) 15 years
Answer: C
In a particular course, only two grades are given all semester: the midterm exam, which counts for 25% of the semester grade, and the final exam, which counts for the remainder. Lindsey's semester grade was 88%. If the highest possible score on either exam is 100%, what is the lowest possible score O that Lindsey could have received on her midterm exam? Answer Choice: (A) 52% (B) 64% (C) 72% (D) 76% (E) 80%
Answer: A
In the Johnsons' monthly budget, the dollar amounts allocated to household expenses, food, and miscellaneous items are in the ratio 4:3:1, respectively. If the total amount allocated to these three categories is $1,800, what is the amount allocated to food? Answer Choice: (A)  $900 (B)  $720 (C)  $675 (D)  $450 (E)  $225
Answer: C
A wheel has a diameter of x inches and a second wheel has a diameter of y inches. The first wheel covers a distance of d feet in 130 revolutions. How many revolutions does the second wheel make in covering d feet? Answer Choice: (A) 65x+y (B) 130x/y (C) 130x+y (D) 100x-y (E) 130y/x
Answer: B
For a rectangular box, what is the product of the areas of the 3 adjacent faces that meet at a point? Answer Choice: (A) Volume of the box (B) Twice the volume of the box (C) Half of the volume of the box (D) Square of the volume of the box (E) None of these
Answer: D
Alex opened a shop investing Rs.10000. Samuel joined him 6 months later, investing Rs.15000. They earned a profit of Rs.3500 after completion of one year. What will be Alex and Samuel's profits respectively? Answer Choice: (A) 2000 and 1500 (B) 1500 and 2000 (C) 1800 and 1700 (D) 1700 and 1800 (E) 1000 and 2500
Answer: A
In an election only two candidates contested. A candidate secured 70% of the valid votes and won by a majority of 172 votes. Find the total number of valid votes? Answer Choice: (A) 430 (B) 438 (C) 436 (D) 434 (E) 422
Answer: A
A can run a kilometer race in 4 1/2 min while B can run same race in 5 min. How many meters start can A give B in a kilometer race, so that the race mat end in a dead heat? Answer Choice: (A) 233 (B) 287 (C) 108 (D) 100 (E) 712
Answer: D
Jerry, an electrician, worked 3 months out of the year. What percent
of the year did he work? (round answer to the nearest hundredth)
What percent 12 is 3? 12 months = 1 year Answer Choice: (A) 58.33% (B) 25% (C) 78.33% (D) 88.33% (E) 98.33%
Answer: B
If y = 2 + 2K and y≠0y≠0, then 7/y + 3/y + 1/y + 1/y = ? Answer Choice: (A) 1/(8+8k) (B) 6/(1+k) (C) 1/(8+k) (D) 4/(8+k) (E) 4/(1+k)
Answer: B
A train covers a distance of 12 km in 10 min. If it takes 10 sec to pass a telegraph post, then the length of the train is? Answer Choice: (A) 298 m (B) 188 m (C) 120 m (D) 178 m (E) 200 m
Answer: E
While out shopping for clothes you have a 20% off coupon, which must be applied before a 7% sales tax is added. What is the final percentage you will pay for the clothes relative to the un-adjusted price? Answer Choice: (A) 127.2% (B) 74% (C) 75.2% (D) 84.8% (E) 126%
Answer: D
A reduction of 40% in the price of bananas would enable a man to obtain 64 more for Rs.40, what is reduced price per dozen? Answer Choice: (A) 328 (B) 27 (C) 3 (D) 8 (E) 2
Answer: C
A and B together can do a piece of work in 8 days. If A alone can do the same work in 12 days, then B alone can do the same work in? Answer Choice: (A) 24 (B) 22 (C) 20 (D) 16 (E) 30
Answer: A
In a group of 6 boys and 4 girls, four children are to be selected. In how many different ways can they be selected such that at least one boy should be there Answer Choice: (A) 109 (B) 128 (C) 138 (D) 209 (E) 176
Answer: D
A train 360 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 140 m long? Answer Choice: (A) 40 (B) 99 (C) 88 (D) 77 (E) 21
Answer: A
A sum of money becomes triple itself in 5 years at simple interest. How many years will it become six times at the same rate? Answer Choice: (A) 18 1/2 years (B) 12 1/8 years (C) 16 1/2 years (D) 12 1/2 years (E) 12 1/5 years
Answer: B
The below sequence is a bit tricky. Can you solve it to find the next number?
4, 24, 324, 4324, ? Answer Choice: (A) 29816 (B) 38291 (C) 54324 (D) 38290 (E) 55291
Answer: C
Which of these must the factor of the product of four consecutive even integers:-
1) 48
2) 64
3) 96
4) 192
5) 80 Answer Choice: (A) 1,2 only (B) 2,3 only (C) 1,2,3 only (D) 1,2,3,4 only (E) All of them
Answer: D
If x is 30 percent more than y and y is 50 percent less than z, then x is what percent of z? Answer Choice: (A) 500% (B) 250% (C) 65% (D) 125% (E) 60%
Answer: C
For how many integers k is k^3 = 3^k ? Answer Choice: (A) None (B) One (C) Two (D) Three (E) More than three
Answer: B
It is dark in my bedroom and I want to get two socks of the same color from my drawer, which contains 24 red and 24 blue socks. How many socks do I have to take from the drawer to gate at least two socks of the same color? Answer Choice: (A) 2 (B) 3 (C) 48 (D) 25 (E) 26
Answer: B
In wardrobe Marry has 3 trousers. One of them is grey the 2nd blue and the 3rd brown. In his wardrobe he also has 4 shirts. One of them is grey and the other 3are white. He opens hiswardrobe in the dark and pick out one shirt trouser pair without examination the color. What is the likelihood that neither the shirt nor the trouser is grey? Answer Choice: (A) 1/2 (B) 2/3 (C) 3/5 (D) 3/7 (E) 4/9
Answer: A
Tom went to a shop and bought things worth Rs. 25, out of which 30 Paise went on sales tax on taxable purchases. If the tax rate was 6%, then what was the cost of the tax free items? Answer Choice: (A) 17 (B) 18 (C) 19.7 (D) 21.1 (E) 21.3
Answer: C
How many 3-digits number are Palindromic numbers? A Palindromic number reads the same forward and backward, example 121. Answer Choice: (A) 90 (B) 610 (C) 729 (D) 900 (E) 1000
Answer: A
A trader bought a car at 40% discount on its original price. He sold it at a 80% increase on the price he bought it. What percent of profit did he make on the original price? Answer Choice: (A) 8% (B) 62% (C) 2% (D) 9% (E) 22%
Answer: A
Tanks A and B are each in the shape of a right circular cylinder. The interior of tank A has a height of 5 meters and a circumference of 4 meters, and the interior of tank B has a height of 8 meters and a circumference of 10 meters. The capacity of tank A is what percent of the capacity of tank B? Answer Choice: (A) 10% (B) 80% (C) 100% (D) 120% (E) 125%
Answer: A
Jasmine has a toaster with two slots that toasts one side of each piece of bread at a time, and it takes one minute to do so.
If she wants to make 3 pieces of toast, what is the least amount of time she needs to toast them on both sides? Answer Choice: (A) 1 (B) 2 (C) 3 (D) 4 (E) 5
Answer: C
A can do a piece of work in 20 days. B in 15 days A and C in 12 days. In how many days can A finish the work if he is assisted by B on one day and C on the next, alternately? Answer Choice: (A) 7 days (B) 8 days (C) 3 days (D) 9 days (E) 2 days
Answer: B
A jogger running at 9 km/hr along side a railway track is 250 m ahead of the engine of a 120 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) 37 sec (B) 89 sec (C) 36 sec (D) 87 sec (E) 45 sec
Answer: A
Rajan borrowed Rs.4000 at 5% p.a compound interest. After 2 years, he repaid Rs.2210 and after 2 more year, the balance with interest. What was the total amount that he paid as interest? Answer Choice: (A) 675.5 (B) 635.5 (C) 635.28 (D) 635.98 (E) 635.03
Answer: B
Calculate the dividend from Moses's stock, if he invested Rs. 3000 at 72 to obtain an income of Rs. 210. Answer Choice: (A) 3 (B) 9 (C) 3 (D) 4 (E) 5.04
Answer: E
Divide Rs. 1500 among A, B and C so that A receives 1/3 as much as B and C together and B receives 2/3 as A and C together. A's share is? Answer Choice: (A) 187 (B) 178 (C) 375 (D) 167 (E) 619
Answer: C
The value of a machine depreciates at 22% per annum. If its present value is $1,50,000, at what price should it be sold after two years such that a profit of $24,000 is made? Answer Choice: (A) $255260 (B) $435260 (C) $125260 (D) $115260 (E) $155260
Answer: D
The ratio of the present ages of a man and his wife is 3 : 2. Which of the following can't be a possible ratio of their ages 25 years ago? Answer Choice: (A) 1: 3 (B) 2: 3 (C) 3:3 (D) 4: 3 (E) 5: 4
Answer: D
A farmer had d animals, all of which the farmer bought for the same price. The farmer decided to sell the animals. 18 of the animals were sold at a profit of 10% each while the rest were sold at a loss of 20% each. Overall, the farmer made neither a profit nor a loss. Which of the following is equal to d? Answer Choice: (A) 21 (B) 24 (C) 27 (D) 32 (E) 36
Answer: C
Find the compound interest accrued on an amount of Rs.14,800 at 13.5% p.a at the end of two years. (Round off your answer to nearest integer) Answer Choice: (A) Rs. 8167 (B) Rs. 4261 (C) Rs. 4269 (D) Rs. 4266 (E) Rs. 4262
Answer: D
If x and y are positive integers and 9 + x + y + xy = 23, what is the value of x + y? Answer Choice: (A) 3 (B) 5 (C) 6 (D) 8 (E) 9
Answer: C
From a group of boys and girls, 15 girls leave. They are then left 2 boys for each girl. After this, 27 boys leave. There are then 5 girls for each boy. Find the number of girls in the beginning Answer Choice: (A) 20 (B) 10 (C) 30 (D) 50 (E) 40
Answer: C
Find the area of a parallelogram with base 24 cm and height 16 cm. Answer Choice: (A) 394 cm (B) 384 cm (C) 380 cm (D) 364 cm (E) 382 cm
Answer: B
I have 300 friends on facebook and 300 on twitter. When I posted pictures of my birthday party, 50 percent of the facebook friends and 42 percent of the twitter friends "liked" my post; what percent of the total number of friends on both social media platform liked my post ? Answer Choice: (A)  35.5% (B)  40.0% (C)  46.0% (D)  49.5% (E)  51.0%
Answer: C
Find the odd man out. 16,20,24,72,80 Answer Choice: (A) 16 (B) 20 (C) 24 (D) 72 (E) 80
Answer: B
The ratio of the present age of Sandy to that of Molly is 7:2. Sixteen years from now, the ratio of the ages of Sandy to Molly will be 5:2. What was Sandy's age 6 years ago? Answer Choice: (A) 66 (B) 70 (C) 74 (D) 78 (E) 82
Answer: D
The value of 4.12 is : Answer Choice: (A) 4(11 / 90) (B) 4(11 / 99) (C) 371 / 900 (D) 4(3/25) (E) None
Answer: D
In the game of Dubblefud, yellow chips, blue chips and green chips are each worth 2, 4 and 5 points respectively. In a certain selection of chips, the product of the point values of the chips is 16,000. If the number of blue chips in this selection equals the number of green chips, how many yellow chips are in the selection? Answer Choice: (A) 1 (B) 2 (C) 3 (D) 4 (E) 5
Answer: D
A man rides at the rate of 30km/hr. But stops 20minutes to change horses at the end of every 60th kilometer. How long will he take to go a distance of 180 kilometers? Answer Choice: (A) 5hr (B) 6hr 30min (C) 6hr 40min (D) 7hr 20min (E) 9hr
Answer: C
The sum of 3 hours 45 minutes and 3 hours 55 minutes is approximately what percent of a day? Answer Choice: (A) 35% (B) 34% (C) 33% (D) 32% (E) 31%
Answer: D
The last digit of 12^12+13^13–14^14×15^15 = Answer Choice: (A) 0 (B) 1 (C) 5 (D) 8 (E) 9
Answer: B
Tom and Jerry are running on the same road towards each other. If Tom is running at a speed of 2.5 meters per second and Jerry is running 36% slower, how much time W will it take them to meet if the initial distance between the two is 50 meters and Tom started running 20 seconds before Jerry did? Answer Choice: (A) 2 minute and 12 seconds. (B) two minutes. (C) 44 seconds. (D) 20 seconds. (E) 12 seconds.
Answer: D
What comes next in the series?
1 2 6 24 120 720 ___ Answer Choice: (A) 2290 (B) 2020 (C) 5040 (D) 4028 (E) 3920
Answer: C
Q:Robert purchased $1000 worth of US saving bonds. If bonds are sold in $50 or $100 denominations only, which of the following CANNOT be the number of US saving bonds that Robert purchased? Answer Choice: (A) 10 (B) 12 (C) 17 (D) 20 (E) 30
Answer: E
In August,a cricket team that played 120 matches won 30% of the games it played.After a continuous winning streak,this team raised its average to 52%.How many matches did the team win to attain this average? Answer Choice: (A) 40 (B) 55 (C) 68 (D) 80 (E) 98
Answer: B
If 3 boys can do 3 times of a particular work in 3 days, then, 7 boys can do 7 times of that work in Answer Choice: (A) 2 days (B) 3 days (C) 4 days (D) 5 days (E) 6 days
Answer: B
In how many ways can the letters of the word OCARINA be arranged if the O, R, and N remain in their original positions? Answer Choice: (A) 6 (B) 12 (C) 18 (D) 24 (E) 48
Answer: B
If S is the sum of the reciprocals of the consecutive integers from 91 to 100, inclusive, which of the following is less than S?
I. 1/10
II. 1/9
III. 1/8 Answer Choice: (A) None (B) I only (C) III only (D) II and III only (E) I, II, and III
Answer: B
A sum of Rs. 427 is to be divided among A, B and C in such a way that 3 times A’s share, 4 times B’s share and 7 times C’s share are all equal. The share of C is ? Answer Choice: (A) 23 (B) 87 (C) 84 (D) 26 (E) 19
Answer: C
A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is: Answer Choice: (A) 45 km/hr (B) 50 km/hr (C) 54 km/hr (D) 55 km/hr (E) 56 km/hr
Answer: B
What percent of 10 is 10 percent of 1? Answer Choice: (A) 0.1% (B) 1% (C) 10% (D) 90% (E) 100%
Answer: B
Running at the same constant rate, 6 identical machines can produce a total of 330 bottles per minute. At this rate, how many bottles could 10 such machines produce in 4 minutes? Answer Choice: (A) 648 (B) 1800 (C) 2200 (D) 10800 (E) 10900
Answer: C
If p and r are integers, and p^2 = 18r, then r must be divisible by which of the following? Answer Choice: (A) 2 (B) 4 (C) 5 (D) 7 (E) 9
Answer: E
2+2+2^2+2^3+2^4+2^5=？ Answer Choice: (A) (2^3-1)(2^3+1) (B) 2^6 (C) 2^5-1 (D) 2^5+1 (E) 2^5-2
Answer: B
Machines A and B produce bottles at their respective constant rates. Machine A produces k bottles in 2 hours and machine B produces k bottles in 4 hours. How many hours does it take machines A and B, working simultaneously, to produce 15k bottles? Answer Choice: (A) 10 (B) 15 (C) 12 (D) 20 (E) 18
Answer: D
There are 8 red, 7 blue and 6 green balls, 1 ball is picked up randomly thenwhat is the probability that neither blue nor green? Answer Choice: (A) 1/13 (B) 2/13 (C) 3/17 (D) 4/17 (E) 8/21
Answer: E
The relationship between quantities m and n is expressed by the equation 11m = 5(n - 52). If the difference between the two chosen values of n is 40, what is the difference in the corresponding values of m? Answer Choice: (A) 200/11 (B) 42/11 (C) 60/11 (D) 150/11 (E) 14
Answer: A
A paint store mixes 3/4 pint of red paint and 2/3 pint of white paint to make a new paint color called Perfect Pink. How many pints of red paint would be needed to make 33 pints of Perfect Pink paint? Answer Choice: (A) 9 (B) 16 (C) 17 (D) 25 1/3 (E) 28 1/2
Answer: C
ramu sells gud for 27 per kg. but he has two plates for wighting one plate is 10% shorter then other.. he put 1 kg weight on shorter plat and apple on other plat.. at the end their is no profit no loss..what is cost price of apple Answer Choice: (A) 30 (B) 40 (C) 50 (D) 60 (E) 70
Answer: A
Working alone, machine X can manufacture 1,000 nails in 16 hours. Working together, machines X and Y can manufacture 1,000 nails in 5 hours. How many hours does it take machine Y to manufacture 1,000 nails working alone? Answer Choice: (A) 3 9/17 (B) 5 1/3 (C) 7 (D) 7 3/11 (E) 8 4/7
Answer: D
A car covers a distance of 624 km in 6 ½ hours. Find its speed? Answer Choice: (A) 104 kmph (B) 176 kmph (C) 298 kmph (D) 186 kmph (E) 268 kmph
Answer: A
At a conference, the only events scheduled for the day are seminars and breaks. All seminars are the same length and are 10 times as long as each break. A break must be between two consecutive seminars. If the first seminar begins at 9:00 a.m. and the third one ends at 11:40 a.m., how long A will the conference last if there are a total of 6 seminars that day? Answer Choice: (A) 5 hours and 15 minutes (B) 5 hours and 20 minutes (C) 5 hours and 25 minutes (D) 5 hours and 30 minutes (E) 5 hours and 35 minutes
Answer: B
A man sells two articles for Rs.3600 each and he gains 30% on the first and loses 30% on the next. Find his total gain or loss? Answer Choice: (A) 9 (B) 8 (C) 7 (D) 5 (E) 3
Answer: A
Of the goose eggs laid at a certain pond, 1/3 hatched and 4/5 of the geese that hatched from those eggs survived the first month. Of the geese that survived the first month, 3/5 did not survive the first year. If 120 geese survived the first year and if no more than one goose hatched from each egg, how many goose eggs were laid at the pond? Answer Choice: (A) 1025 (B) 1075 (C) 1125 (D) 1175 (E) 1225
Answer: C
The average expenditure of a man for the first five months is Rs.300 and for the next seven months it is Rs.130. If he saves Rs.290 in that year, his monthly average income is : Answer Choice: (A) Rs.140 (B) Rs.150 (C) Rs.190 (D) Rs.225 (E) none
Answer: D
225 metres long yard, 26 trees are palnted at equal distances, one tree being at each end of the yard. What is the distance between 2consecutive trees Answer Choice: (A) 10 (B) 12 (C) 14 (D) 16 (E) 18
Answer: A
The length of box 12 Cm long, 8 Cm breadth and 9Cm height. Find the length of pencil in that box? Answer Choice: (A) 19 (B) 14 (C) 17 (D) 16 (E) 13
Answer: C
The average of 20 results is 65 and the average of other 65 results is 20 . what is the average of all the results? Answer Choice: (A) 30 (B) 25 (C) 48 (D) 50 (E) None
Answer: A
The average of 10 numbers was calculated as 20. It is discovered later on that while calculating the average, one number, namely 86, was incorrectly read as 26. What is the correct average? Answer Choice: (A) 22 (B) 23 (C) 24 (D) 25 (E) 26
Answer: E
In one hour, a boat goes 11km along the stream and 5 km against it. Find the speed of the boat in still water Answer Choice: (A) 6 (B) 7 (C) 8 (D) 9 (E) 10
Answer: C
If the function Q is defined by the formula Q = 5w/(4vf(z^2)), by what factor will Q be multiplied if w is quadrupled, f is doubled, and z is tripled? Answer Choice: (A) 1/9 (B) 2/9 (C) 4/9 (D) 3/9 (E) 2/27
Answer: B
A Train requires 12 seconds to pass a pole while it requires 27 seconds to cross a stationary train which is 300 mtrs long. Find the speed of the train. Answer Choice: (A) 60 kmph (B) 75 kmph (C) 80 kmph (D) 85 kmph (E) 72 kmph
Answer: E
5/[(1/0.03) + (1/0.37)] = ? Answer Choice: (A) 0.004 (B) 0.1388 (C) 2.775 (D) 3.6036 (E) 36.036
Answer: B
Machine A and machine B are each used to manufacture 220 sprockets. It takes machine A 10 hours longer to produce 220 sprockets than machine B. Machine B produces 10 percent more sprockets per hour than machine A. How many sprockets per hour does machine A produces? Answer Choice: (A) 2 (B) 3 (C) 4 (D) 5 (E) 6
Answer: A
There was a cycle race going on. 1/5th of the those in front of a person and 5/6th of those behind him
gives the total number of participants. How many people took part in the race? Answer Choice: (A) 31 (B) 39 (C) 30 (D) 33 (E) 34
Answer: A
The rate of a certain chemical reaction is directly proportional to the concentration of chemical B present and inversely proportional to the concentration of chemical A present. If the concentration of chemical B present is increased by 100 percent, which of the following is closest to the percent change in the the concentration of chemical B required to keep the reaction rate unchanged. Answer Choice: (A) 10 % decrease (B) 50% decrease (C) 40% decrease (D) 30% increase (E) 100% increase
Answer: E
Rs. 9800 are invested partly in 9% stock at 75 and 10% stock at 80 to have equal amount of incomes. The investment in 9% stock is: Answer Choice: (A) 334 (B) 500 (C) 265 (D) 197 (E) 121
Answer: B
Mr. Mike sold two books at $2.20 each. Based on the cost, his profit one was 20% and his loss on the other was 30%. On the sale of the books. Find the amount of his profit or loss? Answer Choice: (A) lost 10 cents (B) lost 4 cents (C) broke even (D) lost amount 0.22 cents. (E) gained 10 cents
Answer: D
The difference of two numbers is 11 and one-fifth of their sum is 9. Find the numbers Answer Choice: (A) 28,22 (B) 28,17 (C) 27,17 (D) 26,17 (E) 28,19
Answer: B
The numbers in which of the following pairs do NOT have a pair of distinct prime divisors in common? Answer Choice: (A) 10 and 30 (B) 12 and 18 (C) 24 and 64 (D) 21 and 63 (E) 22 and 44
Answer: C
What is the sum of all 3 digit positive integers that can be formed using the digits 1, 3, and 5, if the digits are allowed to repeat within a number? Answer Choice: (A) 4551 (B) 5661 (C) 6771 (D) 7881 (E) 8991
Answer: E
A straight fence is to be constructed from posts 8 inches wide and separated by lengths of chain 5 feet long. If a certain fence begins and ends with a post, which of the following couldnotbe the length of the fence in feet? (12 inches = 1 foot) Answer Choice: (A) 17 (B) 28 (C) 35 (D) 39 (E) 50
Answer: D