List of top Quantitative Aptitude Questions

A 175m long train crosses a man walking at a speed of 9 km/h in the opposite direction in 10 sec. The speed of the train is:
The probabilities of A, B and C solving a problem are 1/3, 2/7 and 3/8 respectively. If all the three try to solve the probability that exactly one of them will solve it.
A can do a piece of work in 24 days. If B is 60 % more efficient than A, then the number of days required by B to complete the work:
ln a circle of radius of 5 cm, AB and AC are the two chords such that AB=AC= 6cm. find the length of chord BC
(32323 +7344 + 41330)- (317 X 91) = ?
A vendor sells his articles at a certain profit percentage. If he sells his articles at 1/3 of his actual selling price, t actual profit?
Mitthu Bhai sells rasgulla at Rs. 15 per kg. A rasgulla is made up of flour and sugar in the ratio 5:3. The ratio of he earns 66 2/3 % profit. What is the cost price of sugar?
What is the remainder when 496 is divided by 6?
lf a, a+2 and a+4 are prime numbers, then the number of possible solutions for a is :
Two boats traveling at 5 and 10 km per hour, head directly towards each other. They begin at a distance of 20 I (in kms) one minute before they collide?
lf a roll of paper of 1 km long has area of 1/25 hectare, how wide is the paper?
The number of distinct pairs of integers (m, n) satisfying \(|1+mn| < |m+n| < 5\) is
Two trains A and B were moving in opposite directions, their speeds being in the ratio 5 : 3. The front end of A crossed the rear end of B 46 seconds after the front ends of the trains had crossed each other. It took another 69 seconds for the rear ends of the trains to cross each other. The ratio of length of train A to that of train B is
The number of integers n that satisfy the inequalities |n - 60| < |n - 100| < |n - 20| is
One day, Rahul started a work at 9 AM and Gautam joined him two hours later.They then worked together and completed the work at 5 PM the same day. If both had started at 9 AM and worked together, the work would have been completed 30 minutes earlier. Working alone, the time Rahul would have taken, in hours, to complete the work is
For a sequence of real numbers \(x_1, x_2, ..., x_n,\) if \(x_1 - x_2 + x_3 - ... + (-1)^{n + 1}x_n =n^2 + 2n\) for all natural numbers n, then the sum \(x_{49} + x_{50}\) equals
How many three-digit numbers are greater than 100 and increase by 198 when the three digits are arranged in the reverse order?
Raj invested ₹ 10000 in a fund. At the end of first year, he incurred a loss but his balance was more than ₹ 5000. This balance, when invested for another year, grew and the percentage of growth in the second year was five times the percentage of loss in the first year. If the gain of Raj from the initial investment over the two year period is 35%, then the percentage of loss in the first year is
\(f(x) = \) \(\frac{x^2+2x−15}{x^2−7x−18}\) is negative if and only if
Suppose one of the roots of the equation \(a x^2 - b x + c = 0 \) is \( 2 + \sqrt{3}\), where a, b and c are rational numbers and \(a ≠ 0\). If \(b = c^3\) then |a| equals
If r is a constant such that \(|x^2-4x-13| = r\) has exactly three distinct real roots, then the value of r is
If the area of a regular hexagon is equal to the area of an equilateral triangle of side 12 cm, then the length, in cm, of each side of the hexagon is
The number of ways of distributing 15 identical balloons, 6 identical pencils and 3 identical erasers among 3 children, such that each child gets at least four balloons and one pencil, is
Consider the pair of equations: \(x^2 - xy - x = 22\) and \(y^2 - xy + y = 34\). If x > y, then x- y equals
In a football tournament, a player has played a certain number of matches and 10 more matches are to be played. If he scores a total of one goal over the next 10 matches, his overall average will be 0.15 goals per match. On the other hand, if he scores a total of two goals over the next 10 matches, his overall average will be 0.2 goals per match. The number of matches he has played is