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big_math_dataset

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The successive discounts 20% and 15% are equal to a single discount of?
Find the mean proportional between 25 & 36?
What is the units digit of 222^(333)*333^(222)?
The simple interest on Rs. 26 for 6 months at the rate of 7 paise per rupeeper month is
1*2+ 2*2^2+ 3*2^3+ 4*2^4……………………+2012*2^2012
Rs.160 contained in a box consists of one rupee, 50 paisa and 25 paisa coins in the ratio 4:5:6. What is the number of 25 paisa coins?
There are 20 players in a chess group, and each player plays each of the others once. Given that each game is played by two players, how many total games will be played?
In a sequence, each term is obtained by adding 7 to the preceding one. If the sum of the first 30 terms is equal to 705, what is the result of the addition of the first 40 terms?
In a market, a dozen eggs cost as much as a pound of rice, and a half-liter of kerosene costs as much as 4 eggs. If the cost of each pound of rice is $0.33, then how many cents does a liter of kerosene cost? [One dollar has 100 cents.]
A cube of side two meter length is cut into small cubes of side 10 cm each. How many such small cubes can be obtained?
Evaluate 926 + 9.026 + 0.926 + 9.0026
If x is a whole number, then x²(x² - 1) is always divisible by
For how many positive integers is the number of positive divisors equal to the number itself ?
If the average (arithmetic mean) of x^2, 2x^2, and 3x^2 is 200, what is the value of x?
The sequence x1, x2, x3,..., is such that Xn = 1/n - (1/(n+1)). What is the sum of the first 3 terms of the sequence?
Three numbers are randomly selected, with replacement, from the set of integers {0, 1, 2, 3, 4}. If the first number selected is w, the second number selected is x, and the third number is y, what is the probability that w < x < y ?
Three 6 faced dice are thrown together. The probability that no two dice show the same number on them is
Walking at the rate of 3 kmph a man cover certain distance in 6hr 40min. Running at a speed of 18 kmph the man will cover the same distance in.
The organizers of a week-long fair have hired exactly seven security guards to patrol the fairgrounds at night for the duration of the event. Exactly two guards are assigned to patrol the grounds every night, with no guard assigned consecutive nights. If the fair begins on a Monday, how many different pairs of guards w...
If 20 liters of chemical X are added to 80 liters of a mixture that is 30% chemical X and 70% chemical Y, then what percentage of the resulting mixture is chemical X?
Ten cards numbered 1 to 10 are placed in a box, mixed up thoroughly and then one card is drawn randomly. If it is known that the number on the drawn card is more than 3, what is the probability that it is an even number?
It takes Jake 15 minutes to do one oil change, and it takes Bob 10 minutes. If Jake and Bob both begin doing oil changes at exactly 10:00 a.m. without pausing, when is the first time at which they will finish changing the oil of a car simultaneously?
The average weight of 8 person's increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person?
The average age of seven persons sitting in a row facing east is 28 years. If the average age of the first three persons is 21 years and the average age of the last three persons is 34 years, then find the age of the person sitting in the middle of the row?
With 630 ml mixture of milk & water in the ratio 7:2. How much water mustbe added to make the ratio 7:3?
Molly's age in 18 years will be seven times her age six years ago. What is Molly's present age?
How many words can be formed by using all letters of the word “BIHAR”
10 men and 15 women finish a work in 6 days. One man alone finishes that work in 100 days. In how many days will a woman finish the work?
In a sample of associates at a law firm, 30 percent are second-year associates, and 60 percent are not first-year associates. What percentage of the associates at the law firm have been there for more than two years?
How many bricks, each measuring 25 cm x 11.25 cm x 6 cm, will be needed to build a wall of 7.5 m x 6 m x 22.5 cm?
what is next no. 11 23 47 83 131 191 ???
The distance between 2 cities A and B is 1000km. A train starts from A at 8 a.m. and travels towards B at 100 km/hr. Another starts from B at 9 a.m. and travels towards A at 150 km/hr. At what time do they meet?
Real-estate salesman Z is selling a house at a 30 percent discount from its retail price. Real-estate salesman X vows to match this price, and then offers an additional 30 percent discount. Real-estate salesman Y decides to average the prices of salesmen Z and X, then offer an additional 30 percent discount. Salesman Y...
It takes John 25 minutes to walk to the car park and 45 to drive to work. At what time should he get out of the house in order to get to work at 9:00 a.m.?
Jack has two dice, one has six equally probable sides, labeled 1, 2, 3, 4, 5, 6, and the other has seven equally probable sides, labeled 1, 2, 3, 4, 5, 6, 7. If Jack rolls both dice what is the probability that both of the numbers will be multiple of 3?
A rectangular rug with side lengths of 3 feet and 6 feet is placed on a square floor that has an area of 64 square feet. If the surface of the rug does not extend beyond the area of the floor, what fraction of the area of the floor is not covered by the rug?
What is the unit digit in {(6374)^1793 x (625)317 x (341^491)}?
Find the simple interest on $3200 for 3 years at 10% per annum?
Solution Y is 30 percent liquid W and 70 percent water. If 2 kilograms of water evaporate from 8 kilograms of solutions Y and 2 kilograms of solution Y are added to the remaining 6 kilograms of liquid, what percent of this new liquid solution is liquid W?
Irin, Ingrid and Nell bake chocolate chip cookies in the ratio of 9.18: 5.17: 2.05. If altogether they baked a batch of 150 cookies, what percent of the cookies did Nell bake?
The speed of a boat in upstream is 60 kmph and the speed of the boat downstream is 80 kmph. Find the speed of the boat in still water and the speed of the stream?
What is theleast number should be added to 1056, so the sum of the number is completely divisible by 23?
A perfect square is defined as the square of an integer and a perfect cube is defined as the cube of an integer. How many positive integers n are there such that n is less than 1,000 and at the same time n is a perfect square and a perfect cube?
The ratio of three numbers is 2:3:4 and their sum is 180. The second number of the three numbers is?
P takes twice as much time as Q or thrice as much time as R to finish a piece of work. They can finish the work in 2 days if work together. How much time will Q take to do the work alone?
A metallic sheet is of rectangular shape with dimensions 100 m x 50 m. From each of its corners, a square is cut off so as to make an open box. If the length of the square is 10 m, the volume of the box (in m cube) is:
Resident of town X participated in a survey to determine the number of hours per week each resident spent watching television. The distribution of the results of the survey had a mean of 21 hours and std deviation of 7 hrs. The number of hours that pat, a resident of town X, watched television last week was between 1 a...
If a,b, and c are consecutive positive integers and a>b>c, what can be the value of (a^2-b^2)(b^2-c^2)?
A rabbit on a controlled diet is fed daily 300 grams of a mixture of two foods, food X and food Y. Food X contains 10% protein and food Y contains 15% protein. If the rabbit's diet provides exactly 37 grams of protein daily, how many grams of food X are in the mixture.
In the Hillside summer camp there are 100 children. 90% of the children are boys and the rest are girls. The camp administrator decided to make the number of girls only 5% of the total number of children in the camp. How many more boys must she bring to make that happen?
A,B and C enter into partnership. A advances Rs.1200 for 4 months, B Rs. 1400 for 8 Months and C Rs.1000 for 10 months. They gain Rs.585 altogether. Find the share of B.
If 2/a + 3/a + 4/a is an integer, which of the following must also be an integer?
How much is 60% of 40 is greater than 4/5 of 30?
If a 10 percent deposit that has been paid toward the purchase of a certain product is $55, how much more remains to be paid?
Find a sum for 1st 8 prime number's?
Brandi received a 10% raise each month for four consecutive months. What was her salary after the four raises if her starting salary was $1,000 per month?
By selling 50 meters of cloth. I gain the selling price of 18 meters. Find the gain percent?
Indu gave Bindu Rs.3750 on compound interest for 2 years at 4% per annum. How much loss would Indu has suffered had she given it to Bindu for 2 years at 4% per annum simple interest?
A man took loan from a bank at the rate of 8% p.a. simple interest. After 4 years he had to pay Rs. 6200 interest only for the period. The principal amount borrowed by him was:
If books bought at prices ranging from Rs. 200 to Rs. 350 are sold at prices ranging from Rs. 300 to Rs. 432, what is the greatest possible profit that might be made in selling eight books ?
What is the smallest positive perfect square that is divisible by 4, 10, and 18?
Claire has a total of 90 pets consisting of gerbils and hamsters only. One-quarter of the gerbils are male, and one-third of the hamsters are male. If there are 25 males altogether, how many gerbils does Claire have?
John's favorite number is odd and has prime factors that do not repeat. Which of the following numbers is his favorite?
Solution Y is 30 percent liquid X and 70 percent water. If 2 kilograms of water evaporate from 8 kilograms of solutions Y and 2 kilograms of solution Y are added to the remaining 6 kilograms of liquid, what percent of this new liquid solution is liquid X?
What will come in place of the x in the following Number series? 4, 8 , 16, x , 44
(0.15)(power 3) - (0.06)(power 3)/ (0.15)(power 2) + 0.009 + (0.06)(power 2) is:
A cycle is bought for Rs.900 and sold for Rs.1080, find the gain percent?
Find the wrong number in the series. 3, 8, 15, 24, 34, 48, 63
Susan can type 10 pages in 5 minutes. Mary can type 5 pages in 10 minutes. Working together, how many pages can they type in 30 minutes?
The value of log343 7 is
A person has to cover a distance of 6km in 45 minutes. If he covers one half of the distance in two-thirds of the total time; to cover the remaining distance in the remaining time, his speed must be?
In 2010, Arman’s birthday was on a Thursday. What day of the week was it 64 days after his birthday?
Using all the letters of the word "NOKIA", how many words can be formed, which begin with N and end with A?
A number is said to be prime saturated if the product of all the different positive prime factors of t is less than the square root of t. What is the greatest two digit prime saturated integer ?
A certain company charges $6 per package to ship packages weighing less than 2 pounds each. For a package weighing 2 pounds or more, the company charges an initial fee of $6 plus $2 per pound. If the company charged $34 to ship a certain package, which of the following was the weight of the package, in pounds?
Richie obtained 76, 95, 82, 67 and 85 marks (out of 100) in English, Mathematics, Physics, Chemistry and Biology. What are his average marks?
A tap can fill a tank in 8 hours. After half the tank is filled, two more similar taps are opened. What is the total time taken to fill the tank completely?
A thief is noticed by a policeman from a distance of 280 m. The thief starts running and the policeman chases him. The thief and the policeman run at the rate of 10 km and 11 km per hour respectively. What is the distance between them after 6 minutes?
A tradesman by means of his false balance defrauds to the extent of 32%? in buying goods as well as by selling the goods. What percent does he gain on his outlay?
The speed of a boat in still water is 8 kmph. If it can travel 1 km upstream in 1 hr, What time it would take to travel the same distance downstream?
A man is standing on a railway bridge which is 180 m long. He finds that a train crosses the bridge in 20 seconds but himself in 5 seconds. Find the length of the train and its speed.
The cost of 2 chairs and 3 tables is Rs.1300. The cost of 3 chairs and 2 tables is Rs.1200. The cost of each table is more than that of each chair by?
The ages of three friends are prime numbers. The sum of the ages is less than 51. If the ages are in Arithmetic Progression (AP) and if at least one of the ages is greater than 10, what is the difference between the maximum possible median and minimum possible median of the ages of the three friends?
A coin is tossed live times. What is the probability that there is at the least one tail?
How many 4 digit numbers are there, if it is known that the first digit is even, the second is odd, the third is prime, the fourth (units digit) is divisible by 3, and the digit 5 can be used only once?
Out of 9 persons working on a project, 4 are graduates. If 3 are selected, what is the probability that there is at least one graduate among them?
4 mat-weavers can weave 4 mats in 4 days. At the same rate, how many mats would be woven by 8 mat-weavers in 8 days?
Ravi and Kumar are working on an assignment. Ravi takes 6 hours to type 32 pages on a computer, while Kumar takes 5 hours to type 40 pages. How much time will they take, working together on two different computers to type an assignment of 110 pages?
If x is the sum of six consecutive integers, then x is divisible by which of the following: I. 6 II. 3 III. 7
The current of a stream runs at the rate of 4 kmph. A boat goes 6 km and back to the starting point in 2 hours, then find the speed of the boat in still water?
Find the C.I. on a sum of Rs.1600 for 9 months at 20% per annum, interest being compounded quarterly?
Johnson completes a piece of work in 10 days, Vincent completes the same work in 40 days. If both of them work together, then the number of days required to complete the work is
A restaurant meal cost $35.50 and there was no tax. If the tip was more than 10 percent but less than 15 percent of the cost of the meal, then the total amount paid must have been between
When 30 per cent of a number is added to another number the second number increases by its 20 per cent. What is the ratio between the first and the second number?
what is the probability of getting sum of 10 on rolling three dices?
The last digit of the number obtained by multiplying the numbers 41 x 42 x 43 x 44 x 45 x 46 x 47 x 48 x 49 will be ?
A club wants to mix 20 pounds of candy worth $8.00 per pound with candy worth $5.00 per pound to reduce the cost of the mixture to $6.00 per pound. How many pounds of the $5.00 per pound candy should be used?
The remainder when K=1+3+3^2+3^3+..........+3^200 is divided 13.
In a room filled with 5 people, 3 people have exactly 2 siblings in the room and 2 people have exactly 1 sibling in the room. If two individuals are selected from the room at random, what is the probability that those two individuals are NOT siblings?
How long does a train 110 m long running at the speed of 72 km/hr takes to cross a bridge 132 m length?