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If the average (arithmetic mean) of x and y is 60, and z – x = 80, what is the average of y and z?
At what time, in minutes, between 3 o'clock and 4 o'clock, both the needles will coincide each other?
In a shower, 9 cm of rain falls. The volume of water that falls on 1.5 hectares of ground is:
Find the odd man out. 3576, 1784, 888, 440, 216, 105, 48
A and B invest in a business in the ratio 3: 2. Assume that 5% of the total profit goes to charity. If A's share is Rs. 855, what is the total profit?
The price of stock decreased by 5% last year and rose by 10% this year. What is the net percentage change in the price of the stock?
x, y and z are consecutive positive integers such that x < y < z; which of the following must be true? 1. xyz is divisible by 6 2. (z-x)(y-x+2) = 4 3. xy is odd
Concentrated pineapple juice comes inside a cylinder tube with a radius of 2.5 inches and a height of 15 inches. The tubes are packed into wooden boxes, each with dimensions of 11 inches by 10 inches by 31 inches. How many tubes of concentrated pineapple juice, at the most, can fit into 3 wooden boxes?
Mary works 9 hours per day on Monday, Wednesday and Friday, and 5 hours per day on Tuesday and Thursday. She does not work on Saturday and Sunday. She earns $407 per week. How much does she earn in dollars per hour?
If x, y, and z are positive integers such that x is a factor of y and y is a factor of z, which of the following is NOT necessarily an integer?
A sum was put at simple interest at a certain rate for 10 years . Had it been put at 5% higher rate , it would have fetched Rs.300 more. What was the Sum?
If y is a given positive integer,.What is the remainder if y is divided by 25, since when y divided by 7 and 12 the remainders are 4 and 3 respectively.
If a certain sample of data has a mean of 25.0 and a standard deviation of 2.0, which of the following pairs contain two values that are each at least 2.5 standard deviations from the mean?
Two teams participating in a competition had to take a test in a given time. Team B chose the easier test with 300 questions, and team A the difficult test with 10%less questions. Team A completed the test 3 hours before schedule while team B completed it 6 hours before schedule. If team B answered 7 questions more than team A per hour, how many questions did team B answer per hour?
A does half as much work as Band C does half as much work as A and B together. If C alone can finish the work in 44 days, then together ,all will finish the work in :
A person spends 1/5th of his income on the education of his children, and 20% of the remaining on food. If he is left with Rs.576 find his income?
Evaluate combination 99C97=99!/(97)!(2)!
A certain factory produces buttons and buckles at a uniform weight. If the total weight of 2 buttons and 2 buckles is one third of 11 buckles and 3 buttons, then the weight of 3 buttons and 2 buckles is how many times that of 5 buckles and 6 buttons?
How many of the following numbers are divisible by 132? 264, 396, 462, 792, 968, 2178, 5184, 6336, 528
Ram was asked to multiply a number by 441 and he came with an answer 70229. His Teacher told him that all the digits except the 2’s in his answer are correct. Which of the following could be the correct answer?
A man sitting in a train which is travelling at 20 kmph observes that a goods train, travelling in opposite direction, takes 9 seconds to pass him. If the goods train is 280 m long, find its speed?
If the two-digit integers L and N are positive and have the same digits, but in reverse order, which of the following CANNOT be the sum of L and N?
A tester rejects 0.08% of the meters as defective, How many meters he tested to reject 2 meters ?
In a lottery, there are 12 prizes and 48 blanks. A lottery is drawn at random. What is the probability of getting a prize?
A train 300 m long, running with a speed of 90 km/hr will pass a tree in?
The difference between the simple interest received from two different sources on Rs.1700 for 3 years is Rs.13.50. The difference between their rates of interest is
Two vessels having volumes in the ratio 3:5 are filled with water and milk solutions. The ratio of milk and water in the two vessels are 1:2 and 3:2 respectively. If the contents of both the vessel are empties into a larger vessel, find the ratio of milk and water in the larger vessel.
The flowerman sale, all of the prices of the flowers sold were different. If the price of a radio sold at the flowerman sale was both the 17th highest price and the 42th lowest price among the prices of the slowers sold, how many flowers were sold at the flowerman sale?
The length of a rectangle is increased by 25% and its breadth is decreased by 15%. What is the effect on its area?
A person crosses a 1080 m long street in 12 minutes. What is his speed in km per hour?
A certain school implemented a reading program for its students, with the goal of getting each student to read 3 books per month year-round. If the school has c classes made up of s students in each class, how many books will the entire student body read in one year?
the number of zeros at the end of product of prime numbers between 1 and 999999
7 girls earn equal to as many boys as are equal to 9 men. All of them earn Rs.105 only. Girl's earnings are?
How many even multiples of 65 are there between 649 and 1301?
At a meeting of the local computer user group, each member brought two nonmembers. If a total of 27 people attended, how many were members and how many were nonmembers?
How many minutes does it take James to type 8 words if he types at the rate of 4 words per minute?
The sum of money at compound interest amounts to thrice itself in 3 years. In how many years will it be 9 times itself?
In how many ways can you seat 7 people on a bench if one of them does not want to sit at either end?
Nine persons went to a hotel for taking their meals. Eight of them spent 11 each on their meals and the ninth spend 8 more than the average expenditure of all the nine. What was the total money spent by them?
Two trains of length 120 meter and 150 meter crosses a stationary man in 10 and 15 seconds respectively. In what time they will cross each other when they are moving in same direction.
In an election between two candidates first candidate got 60% of votes polled and second Candidate got 280 votes. The total number of votes polled was?
A man can row a boat at 20 kmph in still water. If the speed of the stream is 6 kmph, what is the time taken to row a distance of 60 km downstream?
A pharmaceutical company received $5 million in royalties on the first $20 million in sales of the generic equivalent of one of its products and then $9 million in royalties on the next $108 million in sales. By approximately what percent did the ratio of royalties to sales decrease from the first $20 million in sales to the next $108 million in sales?
Find the odd man out. 6, 13, 18, 25, 30, 37, 40
A gardener grows cabbages in her garden that is in the shape of a square. Each cabbage takes 1 square feet of area in her garden. This year, she has increased her output by 191 cabbages as compared to last year. The shape of the area used for growing the cabbages has remained a square in both these years. How many cabbages did she produce this year?
If x = 3z, where z is a prime number greater than 2, how many different positive even divisors does x have, including x?
If the ratio of the roots of the equation x2 – 2ax + b = 0 is equal to that of the roots x2 – 2cx + d = 0, then:
Which of the following CAN be the least common multiple of two positive integers 5 and 25?
A school has received 30% of the amount it needs for a new building by receiving a donation of $500 each from people already solicited. People already solicited represent 60% of the people from whom the school will solicit donations. How much average contribution is requited from the remaining targeted people to complete the fund raising exercise?
Aqua regia is a mixture containing 50 per cent concentrated HCL and 70 per cent concentrated HNo3 in the ratio 1 : 3 respectively. Aqua regia is to be formed with 15 l of HCl of 80 percent concentration and 56 l of HNO3 of 90 per cent concentration by adding water as a diluting agent. Another mixture ’X’ having 40 percent concentrated HCL and 30 percent concentrated H2SO4 in the ratio 5 : 7 respectively is added to the Aqua regia to form a solution of 111 l. Find the ratio of HCL to water in the solution. Only water is used as a diluting agent
JOHN and ANDREW can finish John work 30 days if they work together. They worked together for 20 days and then ANDREW left. JOHN finished the remaining work in another 20 days. In how many days JOHN alone can finish the work?
What is the remainder when 1271 * 1275 * 1279 *1285 is divided by 12?
Under whose chairmanship did RBI constitute a Working Group for making balance of payments manual?
Jim and Cara begin running at the same time and they start at the same place on a straight path. Jim runs at 6 miles per hour, and Cara runs at 5 miles per hour. After 30 minutes, Jim stops to stretch. If it takes Jim 18 minutes to stretch and Cara continues to run during this time, how many minutes will it take Jim to catch up to Cara?
John bought a 1-year, $20,000 certificate of deposit that paid interest at an annual rate of 10 percent compounded semiannually. What was the total amount of interest paid on this certificate at maturity?
If a survey shows that 30 citizens out of a sample of 300 support a particular Senate bill, what percent of the sample does not support the bill?
Albert and Bob are painting rooms at constant, but different rates. Albert takes 1 hour longer than Bob to paint n rooms. Working side by side, they can paint a total of 3n/5 rooms in 4/5 hours. How many hours would it take Albert to paint 3n rooms by himself?
The majority owner of a business received 25% of the profit, with each of 4 partners receiving 25% of the remaining profit. If the majority owner and two of the owners combined to receive $39,375, how much profit did the business make?
A man can row 6 kmph in still water. When the river is running at 1.2 kmph, it takes him 1 hour to row to a place and black. What is the total distance traveled by the man?
Last year the price per share of Stock Y increased by m percent and the earnings per share of Stock Y increased by n percent, where m is greater than n. By what percent did the ratio of price per share to earnings per share increase, in terms of m and n?
In Net's hair salon 45% of the customers dye their hair blond, 36% dye their eyebrows blond and 35% straighten their hair. 20% of the customers have none of these three procedures, while 12% take all of these three procedures. What percent of the customers come for exactly 2 of these 3 procedures?
If an item that originally sold for t dollars was marked up by r percent and then discounted by s percent, which of the following expressions represents the final price of the item?
The present worth of a certain sum due sometime hence is Rs. 1600 and the true discount is Rs. 160. Then banker’s gain is:
Look at this series: 53, 53, 46, 46, 39, 39, ... What number should come next?
A whale goes on a feeding frenzy that lasts for 9 hours. For the first hour he catches and eats x kilos of plankton. In every hour after the first, it consumes 4 kilos of plankton more than it consumed in the previous hour. If by the end of the frenzy the whale will have consumed a whopping accumulated total 450 kilos of plankton, how many kilos did he consume on the sixth hour?
Five years ago the average of the ages of A and B was 40 years and now the average of the ages of B and C is 47 years. What will be the age of the B ten years hence?
In a certain sequence, the first term is 7, and each successive term is 1 more than the reciprocal of the term that immediately precedes it. What is the fifth term in this sequence?
An investment of d dollars at k percent simple annual interest yields $600 over a 2 year period. In terms of d, what dollar amount invested at the same rate will yield $2,400 over a 3 year period?
A train moves fast a telegraph post and a bridge 264 m long in 8 sec and 20 sec respectively. What is the speed of the train?
A certain scholarship committee awarded scholarships in the amounts of $1250, $2500 and $4000. The Committee awarded twice as many $2500 scholarships as $4000 and it awarded three times as many $1250 scholarships as $2500 scholarships. If the total of $67500 was awarded in $1250 scholarships, how many $4000 scholarships were awarded?
A person want to give his money of $2700 to his 3 children A,B,C in the ratio 2:3:4. What is the B's share?
An officers identification code consists of a vowel followed by a 3-digit number greater than 200. Exactly 2 of the 3 digits in the code should be identical. How many different codes is it possible to form?
In a bag there are 10 black balls and 25 blue balls and 15 white balls. A ball is drawn at random. What is the probability of getting a white or a black ball?
Find: S.l. on Rs 6250 at 14% per annum for 146 days.
Of the 600 residents of Clermontville, 35% watch the television show Island Survival, 40% watch Lovelost Lawyers and 50% watch Medical Emergency. If all residents watch at least one of these three shows and 18% watch exactly 2 of these shows, then how many Clermontville residents B watch all of the shows?
What is the are of an equilateral triangle of side 20 cm?
The difference between simple interest and compound interest on Rs. 1200 for one year at 10% per annum reckoned half yearly is
Find the value of 2.5 x [(3.6 x 0.48 x 2.50) / (0.12 x 0.09 x 0.5)]
A women purchased 3 towels @ Rs.100 each, 5 towels @ Rs.150 each and two towels at a certain rate which is now slipped off from his memory. But she remembers that the average price of the towels was Rs.145. Find the unknown rate of two towels?
Calculate 85184 ÷ ? = 352
A doctor prescribed 18 cubic centimeters of a certain drug to a patient whose body weight was 115 pounds. If the typical dosage is 2 cubic centimeters per 15 pounds of the body weight, by what percent was the prescribed dosage greater than the typical dosage?
There are three places P, Q and R such that 3 roads connects P and Q and 4 roads connects Q and R. In how many ways can one travel from P to R?
A train 900 m long is running at a speed of 78 km/hr. If it crosses a tunnel in 1 min, then the length of the tunnel is?
The sum of the present ages of father and his son is 60 years. Six years ago, father's age was five times the age of the son. After 6 years, son's age will be?
Bert and Rebecca were looking at the price of a condominium. The price of the condominium was 80% more than Bert had in savings, and separately, the same price was also 20% more than Rebecca had in savings. What is the ratio of what Bert has in savings to what Rebecca has in savings.
Of 70 players on a football team, 43 are throwers. The rest of the team is divided so one third are left- handed and the rest are right handed. Assuming that all throwers are right handed, how many right- handed players are there total?
A jar contains only red, yellow, and orange marbles. If there are 3 red, 7 yellow, and 4 orange marbles, and 3 marbles are chosen from the jar at random without replacing any of them, what is the probability that 2 yellow, 1 red, and no orange marbles will be chosen?
A man sold 20 articles for $60 and gained 20%. How many articles should he sell for $90 to incur a loss 10%?
Vijay bought 160 shirts at the rate of Rs. 215 per shirt. The transport expenditure was Rs. 1400. He paid an octroi at the rate of Rs. 1.75 per shirt and labour charges were Rs. 320. What should be the selling price of one shirt, if he wants a profit of 20%?
A car drove from Town A to Town B without stopping. The car traveled the first 60 miles of its journey at an average speed of 25 miles per hour. What was the car’s average speed, in miles per hour, for the remaining 100 miles if the car’s average speed for the entire trip was 40 miles per hour?
1, 13, 35, 67, 109, ____
For any number y, y* is defined as the greatest positive even integer less than or equal to y. What is the value of 9.2 – 9.2*?
A sum of Rs.5800 is invested at a compound interest for three years, the rate of interest being 10% p.a., 20% p.a. and 25% p.a. for the 1st, 2nd and the 3rd years respectively. Find the interest received at the end of the three years.
Two goods trains each 500 m long are running in opposite directions on parallel tracks. Their speeds are 45 km/hr and 30 km/hr respectively. Find the time taken by the slower train to pass the driver of the faster one?
A walk 20m towards north east.B walk towards east 8m and then 12m south.Now calculate Distance between A and B?
If m and n are whole numbers such that mn = 121, the value of (m 1) n + 1 is:
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.
The simple interest at c% for c years will be $c on a sum of
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-?
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

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