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big_math_dataset

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The weight of a glass of jar is 25% of the weight of the jar filled with coffee beans. After some of the beans have been removed, the weight of the jar and the remaining beans is 60% of the original total weight. What fraction part of the beans remain in the jar?
A Taxi Company marks their tickets 30% more than the real price and allows 30% discount. Company's loss is:
We have a rectangular metallic piece of paper that covers exactly the area of a cube. The length of the piece of paper is 144 inches and the width is 72 inches. What is the volume of the cube in cubic feet is 1 feet is 12 inches?
A man is 24 years older than his son. In two years, his age will be twice the age of his son. What is the present age of his son?
A bag contains 12 white and 18 black balls. 2balls are drawn in succession. What is the probability that first is white and second is black?
The sides of a cube measures 8cm. If the surface area of the cube is the same as a ball, what is the radius of the ball? Round to the nearest whole number.
A person starts walking at a speed of 5km/hr through half the distance, rest of the distance he covers with aspeed 2km/hr. Total time of travel is 9 hours. What is the maximum distance he can cover?
Think of a number, divide it by 4 and add 9 to it. The result is 15. What is the number thought of?
Can you find the missing number in the sequence given below 11 19 27 12 20 ? 13 21 29 14 22 30
How many odd numbers between 10 and 1400 are the squares of integers?
Percentage of profit earned by selling a book for $1320 is equal to the percentage loss incurred by selling the same book for $880. What price should the book be sold to make 30% profit?
Two taps can separately fill a cistern 5 minutes and 7.5 minutes respectively and when the waste pipe is open, they can together fill it in 18 minutes. The waste pipe can empty the full cistern in?
When Rahul was born, his father was 32 years older than his brother and his mother was 25 years older than his sister. If Rahul's brother is 6 years older than him and his mother is 3 years younger than his father, how old was Rahul's sister when he was born ?
If n = 2ab, where a and b are distinct prime numbers greater than 2, how many different positive even divisors does n have, including n ?
If -3x < 9, which of the following must be true?
A scooter costs 50,000 when it is brand new. At the end of each year, its value is only 80% of what it was at the beginning of the year. What is the value of the scooter at the end of 3 years?
In a recent election, Ms. Robbins received 4,000 votes cast by independent voters, that is, voters not registered with a specific political party. She also received 10 percent of the votes cast by those voters registered with a political party. If N is the total number of votes cast in the election and 40 percent of the votes cast were cast by independent voters, which of the following represents the number of votes that Ms. Robbins received?
A boy goes to his school from his house at a speed of 3 km/hr and returns at a speed of 2 km/hr. If he takes 5 hours in going and coming. The distance between his house and school is?
A bowl was filled with 10 ounces of water, and 0.004 ounce of the water evaporated each day during a 50-day period. What percent of the original amount of water evaporated during this period?
A man purchased 3 blankets @ Rs.100 each, 5 blankets @ Rs.150 each and two blankets at a certain rate which is now slipped off from his memory. But he remembers that the average price of the blankets was Rs.150. Find the unknown rate of two blankets?
The greatest number that divides 210, 1200 and 1450 and leaving remainder 6, 10 and 5 respectively is:
Grace packed 5 pairs of shoes, 3 pairs of pants, 8 shirts, and 3 jackets for her business trip. If an outfit consists of one of each item of clothing except shirts, of which she will wear 2, how many different outfits A can does Grace have available during her trip?
Find the sum The difference between the compound and S.I. on a certain sum of money for 2 years at 10% per annum is Rs.15of money?
The positive value of x that satisfies the equation (3 + 2x)^5 = (1 + 3x)^4 is between Bunuel, can you please explain this one?
If a certain sample of data has a mean of 15.0 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?
A circular well with a diameter of 4 metres , is dug to a depth of 14 metres. What is the volume of the earth dug out?
A carpenter is building a frame for a wall painting. The painting is in the shape of a rectangle. If the sides of the rectangle are in the ratio of 3:2 and the shorter side has a length of 18 inches, how many inches of framing material does the carpenter need to frame the painting?
Two pipes A and B can separately fill a cistern in 60 minutes and 75 minutes respectively. There is a third pipe in the bottom of the cistern to empty it. If all the three pipes are simultaneously opened, then the cistern is full in 50 minutes. In how much time, the third pipe alone can empty the cistern?
Two trains are moving at 50 kmph and 70 kmph in opposite directions. Their lengths are 150 m and 100 m respectively. The time they will take to pass each other completely is?
A, B and C rents a pasture for Rs.435. A put in 12 horses for 8 months, B 16 horses for 9 months and 18 horses for 6 months. How much should C pay?
According to the directions on a can of frozen orange juice concentrate, 1 can of concentrate is to be mixed with 3 cans of water to make orange juice. How many 12 ounce cans of concentrate are required to prepare 120 six-ounce servings of orange juice?
If M is the mean of x,y,z ; then what is the mean of x+5,y+5 and z+5
The probability that a number selected at random from the first 50 natural numbers is a composite number is -.
If 4 people are selected from a group of 6 married couples, what is the probability that none of them would be married to each other?
If 12 men or 20 women can do a piece of work in 108 days, then in how many days can 9 men and 12 women together do the work?
In a deck of cards there are 48 cards numbered from 1 to 13. There are 8 cards of each number in the deck. If you insert 12 more cards with the number 10 on them and you shuffle the deck really good, what is the probability to pull out a card with a number 10 on it?
When a certain number X is divided by 143, the remainder is 45. Which of the following numbers, if added to X, would result in a number divisible by 14?
The average of 10 numbers is calculated as 5. It is discovered later on that while calculating the average, one number namely 36 was wrongly read as 26. The correct average is?
On a ferry, there are 27 cars and 13 trucks. The cars have an average mass of 1100 kg and the trucks have an average mass of 3000 kg. What is the average mass of all 40 vehicles on the ferry?
A pump can fill a tank with a water in 2 hours. Because of a leak, it took 3 hours to fill the tank. The leak can drain all the water of the full tank in how many hours?
Average of 10 two digit positive integer is Z. However, one number AB is taken as BA, then the average increases to Z+2.7. How many set of values for A and B are possible?
In a restaurant, the profit is 150% of the cost. If the cost increases by 12% but the selling price remains constant, approximately what percentage of the selling price is the profit?
A man buys a cycle for Rs. 1400 and sells it at a loss of 15%. What is the selling price of the cycle?
Eight people are planning to share equally the cost of a rental car. If one person withdraws from the arrangement and the others share equally the entire cost of the car, then the share of each of the remaining persons increased?
A car gets 27 miles to the gallon. If it is modified to use a solar panel, it will use only 75 percent as much fuel as it does now. If the fuel tank holds 14 gallons, how many more miles will the car be able to travel, per full tank of fuel, after it has been modified?
Find the roots of quadratic equation: 2x^2 + 5x + 2 = 0?
Running 3/4th of his usual rate, a man is 8min late. Find his usual time in hours ?
A certain truck uses 18 gallons of diesel fuel in traveling 230 miles. In order for the truck to travel the same distance using 10 gallons of diesel fuel, by how many miles per gallon must the truck’s fuel mileage be increased?
An error 2% in excess ismade while measuring the side ofa square. The % of error in the calculated area of the square is?
Find the value for x from below equation: x/3=-6?
A train 260 m long passed a pole in 13 sec. How long will it take to pass a platform 740 m long?
A man's speed with the current is 22 km / hr and the speed of the current is 4 km / hr. The man's speed against the current is
In a class of students, 2/3 of the number of girls is equal to 1/5 of the total number of students. What is the ratio of boys to girls in the class?
10 men do a work in 10days. How many men are needed to finish the work in 5days?
What will be the HCF of ( 2 x 3 x 7 x 9 ), ( 2 x 3 x 9 x 11 ) and ( 2 x 3 x 4 x 5 )?
70% of the employees in a multinational corporation have VCD players, 75 percent have microwave ovens, 80 percent have ACs and 85 percent have washing machines. At least what percentage of employees has all four gadgets?
Apple costs L rupees per kilogram for first 30kgs and Q rupees per kilogram for each additional kilogram. If the price of 33 kilograms is 663 and for 36kgs of Apples is 726 then the cost of first 10 kgs of Apples is
The parameter of a square is equal to the perimeter of a rectangle of length 16 cm and breadth 14 cm. Find the circumference of a semicircle whose diameter is equal to the side of the square. (Round off your answer to two decimal places)
From (1, 2, 3, 4, 5, 6), one number is picked out and replaced and one number is picked out again. If the sum of the 2 numbers is 7, what is the probability that the 2 numbers included the number 5?
A Train requires 10 seconds to pass a pole while it requires 35 seconds to cross a stationary train which is 500 mtrs long. Find the speed of the train.
The balance of a trader weighs 10% less than it should. Still the trader marks up his goods to get an overall profit of 30%. What is the mark up on the cost price?
Arabica coffee costs $0.4 per ounce while Robusta coffee costs $0.3 per ounce. If the blend of Arabica and Robusta costs $0.37 per ounce, what is the share of Arabica in this blend?
A can do half the work in one day where as B can do it full. B can also do half the work of C in one day. Ratio in their efficiency will be?
I given the responsibility to organize the American open. * The number of players come for this match are 64. * Its a knock-out tournament , each player is eliminated as soon as he looses a match. For planning these matches i need to count the number of matches that need to played in this tournament. How many matches will be played ?
Vijay bought 160 shirts at the rate of Rs. 255 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%?
Four staff members at a certain company worked on a project. The amounts of time that the four staff members worked on the project were in the ratio 2 to 3 to 5 to 6. If one of the four staff members worked on the project for 240 hours, which of the following CANNOT be the total number of hours that the four staff members worked on the project?
The difference between the local value and face value of 7 in the numeral 657903 is:
I bought two books; for Rs.480. I sold one at a loss of 15% and other at a loss of 25% and then I found each book was sold at the same price. Find the cost of the book sold at a lower loss?
Which of the following has the most number of divisors?
The cash difference between the selling prices of an article at a profit of 2% and 6% is Rs 3. The ratio of two selling prices is
A jar contains 4 black and 3 white balls. If you pick two balls at the same time, what's the probability that one ball is black and one is white?
If s and t are positive integers such that s/t = 64.14, which of the following could be the remainder when s is divided by t ?
A foreign language club at Washington Middle School consists of n students, 2/5 of whom are boys. All of the students in the club study exactly one foreign language. 1/3 of the girls in the club study Spanish and 4/5 of the remaining girls study French. If the rest of the girls in the club study German, how many girls in the club, in terms of n, study German?
Carol and Jordan draw rectangles of equal area. If Carol's rectangle measures 12 inches by 15 inches and Jordan's rectangle is 9 inches long, how wide is Jordan's rectangle, in inches?
A is twice as good as workman as B and together they finish a piece of work in 18 days. In how many days will B alone finish the work.
A, B and C completed a piece of work, A worked for 6 days, B for 9 days and C for 4 days. Their daily wages were in the ratio of 3:4:5. Find the daily wages of C, if their total earning was Rs.1554?
Points A, B, C, and D, in that order, lie on a line. If AB = 2 cm, AC = 5 cm, and BD = 9 cm, what is CD, in centimeters?
The sum of ages of 5 children born at the intervals of 3 years each is 60 years. What is the age of the youngest child?
If 20% of a number, then 120% of that number will be?
Income and expenditure of a person are in the ratio 5 : 3. If the income of the person is Rs. 10000, then find his savings?
Sanjay invested an amount of ` 16,000 for two years on compound interest and received an amount of ` 17,640 on maturity. What is the rate of interest per annum?
A shipping clerk has five boxes of different but unknown weights each weighing less than 100 kg. The clerk weighs the boxes in pairs. The weights obtained are 110, 112, 113, 114, 115, 116, 117, 118, 120 and 121 kg. What is the weight, in kg, of the heaviest box ?
X completes a work in 60 days and Y complete the same work in 30 days. If both of them work together, then the number of days required to complete the work will be?
Tina’s cat weighs 3.2 kilograms. Her dog weighs 4 times as much as her cat. How much does her dog weigh in kilograms?
Anintegratedteam consists of 2 members from the engineering team and 2 members from the design team. If the engineering team has 6 members and the design team has 3 members, how manyintegratedteam formations are possible?
In a school of 850 boys, 44% of Muslims, 14% Hindus, 10% Sikhs and the remaining of other communities. How many belonged to the other communities?
Which of the following values of x satisfies the inequality 2x2 – 3x + 1 > 0?
Sripad has scored average of 68 marks in three objects. In no subjects has he secured less than 58 marks. He has secured more marks in Maths than other two subjects. What could be his maximum score in Maths ?
There are 4 more women than men on Centerville's board of education. If there are 8 members on the board, how many are women?
96 is divided into two parts in such a way that seventh part of first and ninth part of second are equal. Find the smallest part?
If a is a positive integer and 10^a – 74 in decimal notation has digits whose sum is 440, what is the value of a?
Two men start together to walk a certain distance, one at 4 kmph and another at 3 kmph.The former arrives half an hour before the latter. Find the distance.
Find compound interest on Rs. 8000 at 15% per annum for 2 years 4 months, compounded annually
Given that there are 11 cricket players per team, how many ways can you select 10 cricket players from 2 teams if no more than 1 players can be selected from each team?
The average amount with a group of seven numbers is Rs. 30. If the newly joined member has Rs. 50 with him, what was the average amount with the group before his joining the group?
Which of the following is closest to 1/5+1/55+1/555
Find the ones digit of 73^330
I came across this problem in the GMATprep software and got it totally wrong! A company consists of 6 senior and 4 junior staff officers. If a committee is created with 4 senior and 1 junior staff officers, how many possible committees are there?
A worker earns $20 on the first day and spends $15 on the second day. The worker earns $20 on the third day and spends $15 on the fourth day. If this pattern continues, on which day will the worker first reach a net total of $80?
Village X has a population of 68000, which is decreasing at the rate of 1200 per year. Village Y has a population of 42000, which is increasing at the rate of 800 per year .in how many years will the population of the two villages be equal?