List of top Quantitative Aptitude Questions

Find the sum of the first 20 terms of the arithmetic progression 3, 7, 11, 15, ...
Simplify: \(\dfrac{2}{3} \text{ of } 45 + 25\% \text{ of } 80 - 12\).
If \(3x - 2y = 5\) and \(x + y = 5\), then the value of \(x\) is:
The sum of two numbers is 15 and the sum of their squares is 113. The product of the two numbers is:
If \(x + \dfrac{1}{x} = 5\), then the value of \(x^2 + \dfrac{1}{x^2}\) is:
What is the remainder when \(2^{31}\) is divided by 7?
The HCF of two numbers is 12 and their LCM is 144. If one number is 36, the other number is:
How many numbers between 1 and 200 are divisible by both 6 and 8?
The sum of the digits of a two-digit number is 9. When the digits are reversed, the number decreases by 27. Find the original number.
A sum doubles itself in 8 years at simple interest. The annual rate of interest is:
The compound interest on Rs. 8,000 at 10% per annum for 2 years (compounded annually) is:
Find the simple interest on Rs. 6,000 at 8% per annum for 3 years.
A and B together do a work in 12 days; B alone does it in 20 days. In how many days can A alone do it?
15 men can build a wall in 8 days. How many days will 10 men take to build the same wall?
A can do a piece of work in 12 days and B in 18 days. Working together, they finish it in:
A boat goes 30 km downstream in 2 hours and returns the same distance upstream in 3 hours. The speed of the stream is:
A man covers a distance at 40 km/h and returns along the same road at 60 km/h. His average speed for the whole journey is:
A train 150 m long is running at 72 km/h. How long does it take to cross a platform 250 m long?
A car covers 240 km in 4 hours. Travelling at the same speed, how far will it go in 7 hours?
In what ratio must rice at Rs. 30/kg be mixed with rice at Rs. 45/kg to get a mixture worth Rs. 35/kg?
The average age of 30 students is 12 years. If the teacher's age is included, the average rises by 1 year. The teacher's age is:
The average of 11 numbers is 50. If one number 65 is removed, the average of the remaining 10 numbers is:
A man sells two articles at Rs. 990 each. On one he gains 10% and on the other he loses 10%. His overall result is:
A trader marks his goods 40% above cost and allows a discount of 25% on the marked price. His profit percentage is:
By selling an article for Rs. 720, a man loses 10%. At what price should he sell it to gain 20%?