Quantitative Aptitude - Arithmetic Ability Questions

If the standard deviation of a population is 4.5, what would be the population variance?

Solve the following 7 x {4 + (-2) x (-3)} = ?

The compound interest on Rs. 4000 for 4 years at 10% per annum will be

What is the square root of 9409?

The heights of a cone and a cylinder are equal. The radii of their bases are in the ratio 2:1. The ratio of their volumes is:

What is the reflection of the point (-3, 1) in the line x = -2?

Which of the following is the CORRECT option for the triangles having sides in the ratio of 3:4:6?

The median of the numbers 4, 2, 2, 6, 3 and 8 is