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big_math_dataset

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If Rs.7500 are borrowed at C.I at the rate of 4% per annum, then after 2 years the amount to be paid is :
If S is the sum of reciprocals of a list of consecutive integers from 25 to 34, inclusive, S is approximately equal to
250 metres long yard, 51 trees are palnted at equal distances, one tree being at each end of the yard. What is the distance between 2consecutive trees
sue has 3 apples. Billy has 5 apples. If billy steals all of sues apples and eats 1 how many does he have left?
If x+|x|+y=7 and x+|y|-y=5 what is x+y=?
A textile manufacturing firm employees 100 looms. It makes fabrics for a branded company. The aggregate sales value of the output of the 100 looms is Rs 5,00,000 and the monthly manufacturing expenses is Rs 1,50,000. Assume that each loom contributes equally to the sales and manufacturing expenses are evenly spread ove...
The fourth proportional to 12, 20 and 30 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?
The sides of the triangle are in the ratio 5:6:7 and its perimeter is 720cm. The length of the longest side is?
Three business people wish to invest in a new company. Each person is willing to pay one third of the total investment. After careful calculations, they realize that each of them would pay $8,200 less if they could find two more equal investors. How much is the total investment in the new business?
What should come in place of the question mark (?) in the following number series? 16 8 12 30 105 ?
While playing a certain dice game, Chris wins if the sum of the two dice is 5, at which point the game is over. If the game allows Chris three rolls in an attempt to win, what is the probability that Chris will win?
How many 3 digit numbers are completely divisible 6 ?
David invested certain amount in three different schemes. A, B and C with the rate of interest 10% p.a., 12% p.a. and 15% p.a. respectively. If the total interest accrued in one year was Rs. 3200 and the amount invested in scheme C was 150% of the amount invested in scheme A and 240% of the amount invested in scheme B,...
The total age of A and B is 16 years more than the total age of B and C. C is how many year younger than A
Call a number parents if it is composite but not divisible by 2, 3, or 5. The three smallest guardian numbers are 49, 77, and 91. There are 168 prime numbers less than 1000. How many parent numbers are there less than 1000?
0.003 * 0.5 = ?
What is the next number: 3, 18, 258, __
What is remainder of the division (1525*1527*1529)/12?
Andrew found $10 while cleaning his car. He found 15 quarters, 22 dimes, 5 pennies and 4 dollar bills. What % of the total amount he found were made up of coins?
One water pump can fill half of a certain empty tank in 8 hours. Another pump can fill half of the same tank in 8.5 hours. Working together, how long will it take these two pumps to fill the entire tank?
What is the measure of the radius of the circle inscribed in a triangle whose sides measure 8, 15 and 27 units?
By selling a house for Rs.45000, it was found that 1/8 of the outlay was gained, what ought the selling to price to have been in order to have lost 5 p.c?
The C.I. on a certain sum for 2 years Rs.41 and the simple interest is Rs.40. What is the rate percent?
If x + 1/x = 2 then find x2 + 1/x2
The average of numbers 0.34204, 0.34203, 0.34202 and 0.34201 is ?
Mary got a weekly raise of $384. If she gets paid every other week, write an integer describing how the raise will affect her paycheck.
A letter lock consists of three rings each marked with six different letters. The number of distinct unsuccessful attempts to open the lock is at the most ?
A company has 2 directors and 5 managers. How many different committees with 5 people can be chosen having at least 1 director?
What should come in place of the question mark in the following questions? ?⁄24 = 72⁄√?
A train 360 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 165 m long?
The line K represented by which of the following equation does not intersect with the line represented by y = 3x^2+5x+1
A town's oldest inhabitant is x years older than the sum of the ages of the Lee triplets. If the oldest inhabitants is now J years old, how old will one of the triplets E be in 20 years? J-X-40/3 is my answers. J = X + L + L + L is the initial situation After 20 years J + 20 = X + L + L + L + 60 ...20 years for each tr...
Circular gears P and Q start rotating at the same time at constant speeds. Gear P makes 10 revolutions per minute and Gear Q makes 40 revolutions per minute. How many seconds after the gears start rotating will gear Q have made exactly 5 more revolutions than gear P?
If n is an integer greater than 5, which of the following must be divisible by 3?
What is the least number should be added to 1056, so the sum of the number is completely divisible by 29?
If a is an integer, what is the greatest possible value for a that would still make the following statement true: 11*10^a < 1/10 ?
The average expenditure of the hotel when there are 10 guests is Rs. 60 per guests and the average expenditure is Rs.40 when there are 20 Guests. If it is known that there are some fixed expenses irrespective of the number of guests then the average expenditure per guest whe there are 40 guests in the hotel?
If x - 2 < 8 and x + 6 > 4, which of the following inequalities expresses all possible values of x?
Glen is having his big family over for Christmas. Out of 25 people coming, 40 percent are lactose intolerant and 72% are vegetarians. Glen wants to prepare the good in advance. Can you calculate how many of the guests are both vegetarians and lactose intolerant?
How long does a train 110 m long running at the speed of 72 km/hr takes to cross a bridge 132 m length?
A bag contains 8 red and 3 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
Each term of a certain sequence is 3 less than the previous term. The first term of this sequence is 18. If the sum of the first n terms of the sequence is n, what is the value of positive integer n?
A shopkeeper bought 150 calculators at the rate of 250 per calculator.He spent 2500 on transportation and packing. If the marked price of calculator is 320 per calculator and the shopkeeper gives a discount of 5% on the marked price then what will be the percentage profit gained by the shopkeeper?
The 20th term of the series a, b , b, c, c, c, d, d, d, d, e, e, e, e, e, .... is
After decreasing 50% in the price of an article costs Rs.620. Find the actual cost of an article?
A researcher computed the mean, the median, and the standard deviation R for a set of performance scores. If 5 were to be added to each score, which of these three statistics would change?
CP of 2 buffaloes are $30,000. By selling 1 at a loss of 15% and other at a profit of 19%, he foundthat SP of both buffaloes is the same. Find the CP of each?
Ben is driving on the highway at y miles per hour. (One mile equals 5,280 feet.) Ben's tires have a circumference of x feet. Which of the following expressions gives the number of revolutions each wheel turns in one hour?
A train speeds past a pole in 15 seconds and a platform 100 m long in 20 seconds. Its length is?
If x dollars is invested at 10 percent for one year and y dollars is invested at 8 percent for one year, the annual income from the 10 percent investment will exceed the annual income from the 8 percent investment by $92. If $2,000 is the total amount invested, how much is invested at 8 percent?
A grocer has a sale of Rs. 5435, Rs. 5927, Rs. 5855, Rs. 6230 and Rs. 5562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs. 5500?
P is faster than Q. P and Q each walk 24 km. The sum of their speeds is 7 km/hr and the sum of times taken by them is 14 hours. Then, P's speed is equal to ?
John got Rs.6000 as his share out of a total profit of Rs.9000 which he and Rick earned at the end of one year. If John invested Rs.20,000 for 6 months, where as Rick invested his amount for the whole year, what was the amount invested by Rick?
What is the greatest value of positive integer x such that 2^x is a factor of 100^70?
A certain factory employed 600 men and 400 women and the average wager was Rs. 25.50 per day, If a woman got Rs. 5 less than a man, then what are their daily wages ?
Two good train each 100 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.
If PINTU is coded as 79523 in a certain code language, how would you code JUMBO in the same language?
A person crosses a 800 m long street in 6 minutes. What is his speed in km per hour?
Let us say that a table tennis tournament was going on with knock out terms which means the one who loses the match is out of the tournament. 100 players took part in that tournament. How many matches were played?
The average age of 5 boys is 25 years and their ages are in the proportion 3:5:7. The age of the youngest boy is?
What is the least integer that is a sum of four different prime numbers?
The value of x + (xx) when x = 2 is:
A tradesman by means of his false balance defrauds to the extent of 40%? in buying goods as well as by selling the goods. What percent does he gain on his outlay?
Ramesh purchased a refrigerator for Rs. 12500 after getting a discount of 20% on the labelled price. He spent Rs. 125 on transport and Rs. 250 on installation. At what price should it be sold so that the profit earned would be 10% if no discount was offered?
If a number is chosen at random from the set {1, 2, 3, ...., 100}, then the probability that the chosen number is a perfect cube is ?
an article with cost price of 192 is sold at 25% profit. what is the selling price?
A shopkeeper purchased 70 kg of potatoes for Rs. 420 and sold the whole lot at the rate of Rs. 6.50 per kg. What will be his gain percent?
What quadrants do the line y = 2x - 4 go through?
January 13, 2016, fell on a Wednesday. On which day of the week did June 25, 2016, fall? (Note: 2016 was a leap year.)
Anand and Deepak started a business investing Rs. 20,500 and Rs. 30,000 respectively. Out of a total profit of Rs. 13,000, Deepak's share is?
If A, B and C together can finish a piece of work in 4 days. A alone in 12 days and B in 18 days, then C alone can do it in?
For each month of a given year except December, a worker earned the same monthly salary and donated one-tenth of that salary to charity. In December, the worker earned N times his usual monthly salary and donated one-fifth of his earnings to charity. If the worker's charitable contributions totaled one-seventh of his e...
The number of circles that can be drawn out of 10 points of which 7 are collinear is
A number is increased by 11% and then reduced by 10%. After these operations, the number :
Bruno and Sacha are running in the same direction around a stadium. Sacha runs at a constant speed of 7 meters per second, and Bruno runs at a constant speed of 5 meters per second. At a certain point Sacha overtakes Bruno. If one minute afterward, Sacha stops and waits for Bruno to reach him, then how many seconds doe...
If the simple interest on a certain amount in at 4% rate 5 years amounted to Rs.2160 less than the principal. What was the principal?
39! is divided by 41. Then what is the remainder for this?
4x − 12 = 4y 5y + 5x = 15 Which of the following is the number of solutions to the system of equations shown above?
4840÷8÷4=?
Three workers have a productivity ratio of 1 to 2 to 6. All three workers are working on a job for 4 hours. At the beginning of the 5th hour, the slowest worker takes a break. The slowest worker comes back to work at the beginning of the 9th hour and begins working again. The job is done in ten hours. What was the rati...
Someone on a skateboard is traveling 5 miles per hour. How many feet does she travel in 45 seconds? (1 mile = 5280 feet)
In Set T, the average (arithmetic mean) equals the median T. Which of the following must be true? I. Set T consists of evenly spaced numbers. II. Set T consists of an odd number of terms. III. Set T has no mode. IV. None of the above.
Two trains are running in opposite directions with the same speed. If the length of each train is 120 m and they cross each other in 12 sec, then the speed of each train is?
Two trains of length 100 m and 200 m are 100 m apart. They start moving towards each other on parallel tracks, at speeds 54 kmph and 90 kmph. After how much time will the trains meet?
A train is running at a speed of 40 km/hr and it crosses a post in 19.8 seconds. What is the length of the train?
Jack and Jill are marathon runners. Jack can finish a marathon (42 km) in 3.5 hours and Jill can run a marathon in 4.2 hours.What is the ratio of their average running speed? (Jack: Jill)
In the equation ax^2 + bx + c = 0 a, b, and c are constants, and abc # 0. If one root of the equation is -2, and b = 10a then which of the following is c equal to?
Rahim bought 52 books for Rs.1200 from one shop and 32 books for Rs.480 from another. What is the average price he paid per book ?
John walks to a viewpoint and returns to the starting point by his car and thus takes a total time of 8 hours 40 minutes. He would have gained 2 hours by driving both ways. How long would it have taken for him to walk both ways.
A number, y is chosen at random from the set of positive integers from 1 to 9. What is the probability that (9/y) > y?
Find the area of a parallelogram with base 24 cm and height 10 cm?
What is the 21th digit to the right of the decimal point in the decimal expansion of 1/37?
Let f(x) = ax2 - b|x|, where a and b are constant. Then at x =0, f(x) is
In a certain game, you perform three tasks. You flip a coin, and success would be heads. You roll a single dice, and success would be a point. You pick a card from a full playing-card deck, and success would be picking a spades card. If exactly one of these three tasks is successful, then you win the game. What is the ...
Ragu purchased a refrigerator and a mobile phone for Rs. 20000 and Rs. 10000 respectively. He sold the refrigerator at a loss of 5 percent and the mobile phone at a profit of 10 percent. Overall he make a.
In a mixture of milk and water, the proportion of milk by weight was 80%. If, in a 180 gm mixture, 36 gms of pure milk is added, what would be the percentage of milk in the mixture formed?
A man can row a boat at 32 kmph in still water. If the speed of the stream is 8 kmph, what is the time taken to row a distance of 96 km downstream?
If all the sides of a right triangle increase in length by 8%, then by what percentage does the area of the triangle increase?
3 candidates in an election and received 1136, 7636 and 11628 votes respectively. What % of the total votes did the winningcandidate got in that election?