Quantitative Aptitude - Arithmetic Ability Questions

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

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

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

If 2/3 of a pizza costs Rs.300, then 3/5 of a pizza will cost

The surface area (in sq.cm.) of a sphere with radius 1 cm is :(pi = 22/7)

If tan (5x ­- 10°) = cot (5y + 20°), then the value of x + y is

A tap can fill a tank in 20 minutes. If a leakage is capable of emptying the tank in 60 minutes, the tank will be filled in

The total surface area of a hemisphere is 41.58 sq cm, find its radius.