Quantitative Aptitude - Arithmetic Ability Questions

What is the value of a2 + b2a3 - b3, when a + b = 8 and a - b = 2?

What is the sum of the first 13 terms of an arithmetic progression if the first term is -10 and last term is 26?

Calculate the ratio of the area of two similar triangles if the sides of the triangles are in the ratio of 9:4.

3 men dig a hole in 10 days. How many days would it take for 5 men to dg the same hole?

The value of √0.0144 is

In a number system, on dividing 11509 by a certain number, Mukesh gets 71 as quotient and 7 as remainder. What is the divisor?

The diagonal of a square is 10 cm. What is the length (in cm) of its side?

The surface area of a sphere is 5544 cm2. Find its diameter (in cm).