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big_math_dataset

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On a race track a maximum of 5 horses can race together at a time. There are a total of 25 horses. There is no way of timing the races. What is the minimum number W of races we need to conduct to get the top 3 fastest horses?
When a train travels at a speed of 80kmph,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?
Two pipes A and B can fill a tank in 24 and 48 minutes respectively. If both the pipes are used together, then how long will it take to fill the tank?
In Lottery,there are 10 prizes and 25 blanks.A lottery is drawn at random.What is the Probability of getting a prize?
If 5 women or 8 girls can do a work in 84 days. In how many days can 10 women and 5 girls can do the same work?
A bookstore has a shelf that contains biographies which normally sell for $20 each and mysteries that normally sell for $12 each. During a sale, the biographies and mysteries are discounted at different rates so that a customer saves a total of $19 from the normal price by buying 5 discounted biographies and 3 discount...
Two pipes can fill a tank in 10 hours and 12 hours respectively while a third pipe empties the full tank in 20 hours.If all the three pipes operate simultaneously, in how much time will the tank be filled?
A person buys an article at Rs.650. At what price should he sell the article so as to make a profit of 10%?
What day of the week was 3rd January 1501
How many numbers from 10 to 100 are exactly divisible by 9?
There are four prime numbers written in ascending order. The product of first three is 385 and that of last three is 1001. The last number is:
The percentage profit earned by selling an article for Rs. 1720 is equal to the percentage loss incurred by selling the same article for Rs. 1280. At what price should the article be sold to make 25% profit?
The inner circumference of a circle race track 18 m wide is 880 m. Find the radius of the outer circle.
5,9,19,31,51,__
Lexi needed to save for 30 days to afford a vacation at the job that paid her $125 per day. Lexi got a new job that pays $150 per day. How many days will she need to save to afford a vacation with this job?
0.001 × 0.001 = ?
In a consumer survey, 60% of those surveyed liked at least one of three products: 1, 2, and 3. 40% of those asked liked product 1, 30% liked product 2, and 20% liked product 3. If 10% of the people in the survey liked all three of the products, what percentage of the survey participants liked more than one of the three...
What percent of 120 are 90?
2.08 can be expressed in terms of percentage as
John takes 10 hours to complete a certain job, while Bill takes only 6 hours to complete the same job. If Steve is faster than John but slower than Bill at completing the same job, then which of the following could be the time it takes the three men together, working at their constant, individual rates, to complete the...
A certain sum amounts to Rs.1550 in 2 years and Rs.1700 in 3 years. Find the rate % per annum?
If 10x = 8y = 14z, then what is a possible sum of positive integers x, y, and z?
A heap of grapes is divided into groups of 3, 5 and 7 and each time one coconut is left over. The least number of grapes in the heap is? A. 31 B. 41 C. 51 D. 61
A picnic attracts 240 persons. There are 40 more men than women, and 40 more adults than children. How many men are at this picnic?
What is the sum E of all 3 digit numbers that leave a remainder of '2' when divided by 3?
The dimensions of a room are 25 feet * 15 feet * 12 feet. What is the cost of white washing the four walls of the room at Rs. 4 per square feet if there is one door of dimensions 6 feet * 3 feet and three windows of dimensions 4 feet * 3 feet each?
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?
Plane leaves from Chelsea every 45 minutes from West Ham airport. Air hostess told Frank Lampard that the plane had left 25 minutes ago and the next plane for Chelsea will leave at 7:00 p.m. At what time air hostess convey this information to Frank Lampard?
A new model car was not selling as expected and the base retail price was lowered by 5% to increase sales. A customer haggled on the price and negotiated a final agreed price of 90% of the retail price. How much did the customer save off the retail price?
Krishan and Nandan jointly started a business. Krishan invested three times as Nandan did and invested his money for double time as compared to Nandan. Nandan earned Rs. 4000. If the gain is proportional to the money invested and the time for which the money is invested then the total gain was?
If 85% of 3/5 of a number is 36, then the number is?
If the average (arithmetic mean) of the four numbers 13, 15, 52, and (N + 1) is 52, then N =
x is what percent of y percent of z, in terms of x, y and z? n be the value expressed in terms of x,y and z.
In the list 2, 3, 4, 5, 5, 5, 5, 7, 11, 21, what fraction of the data is less than the mode?
In a murder case there are four suspects P,Q,R,S. Each of them makes a statement. They are p: "I had gone to the theatre with S at the time of the murder".q: "I was playing cards with P at the time of the murder".r: "Q didn't commit the murder".s: "R is not the murderer".Assuming the only one of the above statement is ...
Three bodies X, Y and Z start moving around a circular track of length 960m from the same point simultaneously in the same direction at speeds of 12 m/s, 20 m/s and 36 m/s respectively. When will they meet for the first time after they started moving?
A money lender finds that due to a fall in the annual rate of interest from 8% to 7 3/4 % his yearly income diminishes by Rs. 62.50, his capital is?
In a race of 1000 m, A can beat by 100 m, in a race of 800m, B can beat C by 100m. By how many meters will A beat C in a race of 900 m?
The perimeter of a triangle is 20 cm and the inradius of the triangle is 3 cm. What is the area of the triangle?
2, 3, 4.5, 6.75, 10.12, (...)
One train is traveling 45 kmph and other is at 10 meters a second. Ratio of the speed of the two trains is?
If a rubber ball consistently bounces back ⅔ of the height from which it is dropped, what fraction of its original height will the ball bounce after being dropped and bounced four times without being stopped?
If a company sells a car with a marked price of Rs. 5,40,000 and gives a discount of 5% on Rs. 3,00,000 and 3% on the remaining amount of Rs. 2,40,000, then the actual price charged by the company for the car is :
A telephone company needs to create a set of 3-digit area codes. The company is entitled to use only digits 2, 4 and 8, which can be repeated. If the product of the digits in the area code must be even, how many different codes can be created?
One scoop of fish food can feed 8 goldfish. How many goldfish can 4 scoops of fish food feed?
the hiker walking at a constant rate of 4 miles per hour is passed by a cyclist traveling in the same direction along the same path at 10 miles per hour. the cyclist stops to wait for the hiker 5 minutes after passing her, while the hiker continues to walk at her constant rate, how many minutes must the cyclist wait un...
A sum of money place at compound interest doubles itself in 4 years. In how many years will it amount to eight times itself?
The average of first five prime numbers:
The daily high temperatures were recorded at an Antarctic weather station. If a temperature of -38.2 degrees Celsius is 2 units of standard deviation below the mean temperature, and a temperature of -22.6 degrees Celsius is 4 units of standard deviation above the mean, which of the following temperatures is 1 unit of s...
Two dogsled teams raced across a 300 mile course in Wyoming. Team A finished the course in 3 fewer hours than team W. If team A's average speed was 5 mph greater than team W's, what was team W's average mph?
10% loss on the selling price is what percent loss on the cost price?
x - y = 3 2x = -2y + 18 The system of equations above has how many solutions?
If a sequence of 8 consecutive odd integers with increasing values has 1 as its 7th term, what is the sum of the terms of the sequence?
A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If three marbles are picked at random, what is the probability that they are all blue?
At 30 minutes past 4 O'clock, what is the angle between the two hands?
Mr X invested an amount for 2 years @ 15 p.c.p.a at simple interest. Had the interest been compounded, he would have earned 450/- more as interest. What was the amount invested?
The credit card and a global payment processing companies have been suffering losses for some time now. A well known company recently announced its quarterly results. According to the results, the revenue fell to $48.0 billion from $85.0 billion, a year ago. By what percent did the revenue fall?
A bag is filled with pennies and nickels in the ratio of 5 to 3. There are 30 nickles in the bag, how many coins are there in that bag?
In how many ways, a committee of 4 members can be selected from 5 men and 4 ladies, consisting of 3 men and 1 lady?
What is the difference between the C.I. on Rs. 9000 for 1 1/2 years at 4% per annum compounded yearly and half-yearly?
The arithmetic mean of set X is zero. If Y = {-2.22; -1.96; -1.68; 1.62; 1.94; 2.16} is the subset of X consisting of all those elements in X which are more than two but less than three standard deviations away from the arithmetic mean of X, what could be equal to the standard deviation of X?
$20000 will become $60000 at 20% P.A. find the time?
x is a positive integer of F less than 500. When x is divided by 7, the remainder is 1; when x is divided by 3, the remainder is 2. How many x are there?
A man can row downstream at 18 kmph and upstream at 10 kmph. Find the speed of the man in still water and the speed of stream respectively?
If m+5/n is a prime integer, which of the following must be true? 1.n=5m 2. n is a prime integer 3. m+5/n is ODD.
The time on a clock is 20 minutes past 6. What is the angle between the hands of the clock?
If the perimeter of a rectangular garden is 600 m, its length when its breadth is 100 m is?
A man has Rs. 480 in the denominations of one-rupee notes, five-rupee notes and ten-rupee notes. If there are 30 5-rupee notes, 20-10-rupee notes, find the number of one-rupee notes.
After decreasing 56% in the price of an article costs Rs.4400. Find the actual cost of an article?
The cash difference between the selling prices of an book at a profit of 4% and 8% is $3. The ratio of the two selling prices is:
A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If two marbles are picked at random, what is the probability that they are either blue or yellow?
In one alloy there is 12% chromium while in another alloy it is 10%. 15 kg of the first alloy was melted together with 35 kg of the second one to form a third alloy. Find the percentage of chromium in the new alloy.
A car takes 6 hours to cover a distance of 630 Km. how much should the speed in Kmph be maintained to cover the same direction in 3/2th of the previous time?
In an election, candidate Smith won 52% of the total vote in Counties A and W. He won 61% of the vote in County A. If the ratio of people who voted in County A to County W is 3:1, what percent of the vote did candidate Smith win in County W ?
In measuring the sides of a rectangle, one side is taken 14% in excess and other 5% in deficit. Find the error percentage in the area calculated from these measurements.
The avg weight of A,B & C is 84 kg. If D joins the group, the avg weight of the group becomes 80 kg.If another man E who weights is 4 kg more than D Replaces A, Then the avgof B,C,D&E becomes 79 kg. What is the weight of A?
In a certain game, each player scores either 2 points or 5 points. If n players score 2 points and m players score 5 points, and the total number of points scored is 50, what is the least possible positive E difference between n and m?
In a fuel station the service costs $2.05 per car, every liter of fuel costs 0.6$. 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-?
The length of a rectangle is two - fifths of the radius of a circle. The radius of the circle is equal to the side of the square, whose area is 1225 sq.units. What is the area (in sq.units) of the rectangle if the rectangle if the breadth is 9 units?
A sweet seller sells 3/5th part of sweets at a profit of 10% and remaining at a loss of 5%. If the total profit is Rs 1500, then what is the total cost price of sweets?
A certain quantity is measured on two different scales, the R scale and the S scale, that are related linearly. Measurements on the R scale of 6 and 24 correspond to the measurements on the S scale of 30 and 60 respectively. What measurement on the R scale corresponds to a measurement of 95 on the S scale?
Sandy walks around a circular field at the rate of one round per hour while Molly runs around it at the rate of four rounds per hour. If they start in the same direction from the same point, how many minutes will it take until they meet again?
The ratio of the number of ladies to gents at a party was 1:2 but when 2 ladies and 2 gents left, the ratio became 1:3. How many people were at the party originally?
Roja and Pooja start moving in the opposite directions from a pole. They are moving at the speeds of 6 km/hr and 3 km/hr respectively. After 4 hours what will be the distance between them?
A clock loses a minute every three hours for 5 days and gains 1% in the subsequent 6 days. If it was set right on Friday at 11 AM, what will be the time at the end of 10 days?
A retailer sold 2 houses at each $15000. On 1st house he got 20% profit and on 2nd house he loss 5% then find his net profit or loss?
There are six leopards and one sheep. Leopard can eat sheep but since as the land is magical, the leopards who eats the sheep , turns into sheep and then can be eaten by the remaining leopard(s). If we leave them for some time then how many sheep and leopard will be there , when we come back ?
The red triangle is equilateral with a side of 23 centimetres. Its perimeter is
The simple form of the ratio 9/8:3/4 is?
How many even integers n, where 100 <= n <= 200, are divisible neither by seven nor by nine?
150 men consume 1050 kg of rice in 30 days. In how many days will 70 men consume 980 kg of rice?
If e=1 and (e-b)/c = 1 which of the following is NOT a possible value of b?
In an examination, there were 2,000 candidates, out of which 900 candidates were girls and rest were Boys. If 34% of the boys and 32% of the girls passed, then the total percentage of failed candidates is?
Rs.8000 become Rs.9261 in a certain interval of time at the rate of 5% per annum of C.I. Find the time?
Of the 8 members of flight crew, 7 are trained to serve economic class customer, 5 are trained to serve business class customer, and 4 can serve both. If one member is chosen at random, what is the probability that the member chosen will be someone who can serve either type of customer?
In a certain city, 70 percent of the households have cable television, and 50 percent of the households have videocassette recorders. If there are 150,000 households in the city, then the number of households that have both cable television and videocassette recorders could be any number from:
A present value of a machine is $700. Its value depletion rate is 10% per annum then find the machine value after 2 years?
After 2 games, team B had an average of 61.5 points per game. If it got only 47 points in game 3, how many more points does it need to score to get its total above 500?
12 men can complete a piece of work in 25 days. In how many days can 20 men complete that piece of work?
In a series of six consecutive even numbers, the sum of the second and sixth numbers is 24. What is the fourth number?