Quantitative Aptitude - Arithmetic Ability Questions

How many balls of radius 2 cm can be made by melting a bigger ball of diameter 16 cm? (Take π = 22/7)

The least number that must be substracted from 63520 to make the result a perfect square is

Smaller diagonal of a rhombus is equal to length of its sides. If length of each side is 6 cm, then what is the area (in sq.cm) of an equilateral triangle whose side is equal to the bigger diagonal of the rhombus?

An inverted conical shaped vessel is filled with water to its brim. The height of the vessel is 8 cm and radius of the open end is 5 cm . When a few solid spherical metallic balls each of radius 1⁄2 cm are dropped in the vessel , 25% water is overflowed. The number of balls is:

If curved surface area of a cylinder is 1320 sq cm and height is 10 cm, find its radius?

If 3x + 4(1-x) > 5x -2 > 3x - 4; then the value of x is

What is the reflection of the point (5, -2) in the line x = -1?

Find out the odd word/letters/number/number pair from the given alternatives.