Quantitative Aptitude - Arithmetic Ability Questions

Area of _____ equals half the product of its diagonal.

Find two numbers such that their mean proportion is 16 and third proportion is 1024.

Simple interest on a sum for 5 years is equal to 20% of the principal. In how many years interest will be equal to the principal?

A taxi going at 90 km/hr takes 35 minutes to travel a certain distance. By how much should it increase its speed (in km/hr) to travel the same distance in 21 minutes?

What is the simplified value of tan (θ/2) + cot (θ/2)?

A solid sphere of radius 6 cm is melted and re-casted into a hollow cylinder of uniform thickness. If the external radius of the base of the cylinder is 5 cm and its height is 32 cm, find the uniform thickness of the cylinder ?

The sum of a non-zero number and 4 times its reciprocal is 17/2. What is the number?

Find the marked price if the selling price is Rs. 9250 and discount is 7.5%.