List of top Quantitative Aptitude Questions

A man deposits Rs.50 in a bank at the beginning of every month. If 10% simple interest is reckoned, how much money is he eligible to get at the end of 24 months?
A car dealer lost 6% on a car. Had he sold it for Rs 3600 more, he would have gained 6%. At what price did he buy the car?
What values of k will make 9x2+3kx+4 a perfect square?
A cylindrical bucket 28 cm in diameter and 72 cm height is full of water. The water is emptied into a rectangular vessel 66cm long and 28 cm wid Find the height of the water level in the tank.
A garrison of 750 men has provisions for 20 weeks. If at the end of 4 weeks, the garrison is reinforced by 450 men, for how many more weeks will the provisions last now?
A train 110 metres long is running with a speed of 60kmph. In what time will it pass a man who is running at 6 kmph in the direction opposite to that in which the train is going?
A boat which can travel at 10km/hr in still water goes 91km down a river and returns to the starting point in 20 hours. Find the speed of the flow of the river.
The base of a triangle is increased in length by 20% and its height reduced by 20%. How does its area change?
Find the cost of papering the walls of a room 10m long, Sm broad and 5 m high with paper 75 cm wide at 90 paisa per meter.
A certain number of men can complete a piece of work in 60 days. If there were 8 more men, the work could be finished in 10 days less. How many men were there originally?
There are 15 books on a shelf, 5 of which are on fiction. If five books are selected at random, find the probability that 4 of them are books on fiction.
A loan of Rs. 6000 is to be paid back in three equal installments. Find the value of each installment to the nearest whole rupee, if the interest is compounded annually at 12.5%.
A merchant mixes two varieties of rice, one costing Rs.12.75 per kg with another variety costing Rs.12 per kg in the proportion 1: r. He sells the mixture at Rs. 13.5C per kg and there by gains 10%. Find the value of r.
A right circular cylinder is inscribed in a sphere and the height of the cylinder is equal to the diameter of its bas Find the ratio of the volume of the sphere to that of the cylinder.
A committee of five members is to be formed from among six boys and five girls. Find the number of ways of selecting the committee, if it is to consist of at least one boy and at least one girl?
A man sells 10 oranges for a rupee there by gaining 40%. How many oranges did he buy for a rupee?
A watch was slow by 5 minutes at 4 p.m. on Wednesday, but it was fast by 10 minutes at 4 p.m on Saturday. At what time did it show the right time?
One vessel contains milk and water in the ratio a: While another vessel contains milk and water in the ratio b: In what ratio must the contents of the first vessel be mixed with the contents of the second so that in the final sample, milk and water may be as 2:1?
A reduction of 20% in the price of mangoes enables a man to buy 25 mangoes more for Rs.40. Find the reduced price of the basket that contains 200 mangoes.
An apple seller sells to the first customer half of the total number of apples that he has and one-half of an appl To the second customer he sells half of the remaining stock and one-half of an appl The same thing continues with the third and the fourth customers. He then finds that he is left with 15 apples. How many apples did he have initially?
When an integer 'n' is divided by 'k', the remainder is on When another integer 'm' is divided by 'k', the remainder is 2. What is the remainder when 'n x m' is divided by 'k'?
A two digit number is such that the unit digit mu tiplied by 3 is equal to three more than the sum of the digits. When the digits are reversed the resulting number is 18 less than the original number. Find the units digit of the original number.
Five bells begin to toll together and toll respectively at intervals of 6,7,8,9 and 12 seconds. How many times, will they toll together in one hour excluding the one at the start?
Ujakar and Keshab attempted to solve a quadratic equation. Ujakar made a mistake in writing down the constant term. He ended up with the roots (4, 3). Keshab made a mistake in writing down the coefficient of x. He got the roots as (3, 2). What will be the exact roots of the orginal quadratic equation?
P, Q, S and R are points on the circumference of a circle of radius r, such that PQR is an equilateral triangle and PS is the diameter of the circle. What is the perimeter of the quadrilateral PQSR?