Quantitative Aptitude - Arithmetic Ability Questions

A cylindrical vessel of radius 4 cm contains water . A solid sphere of radius 3 cm is dipped into the water until it is completely immersed . The water level in the vessel will rise by

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

What is the square root of 9409?

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

Select the odd word/letters/number/number pair from the given alternatives.

The simple interest on a sum is 7/8 of the principal for 5 years. What is the rate (in percentage) of interest per annum?

Simple interest on a sum of Rs 6800 for 18 months is Rs 2244. What is the rate (in percentage) of interest per annum?

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