Quantitative Aptitude - Arithmetic Ability Questions

If a + b = 8 and ab =15, then a3 + b3 is

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

Two numbers are 10% and 20% lesser than a third number respectively. By how much percent is the second number should be enhanced to make it equal to the first number?

What is the area (in sq cm) of a rhombus if the lengths of its diagonals are 25 cm and 20 cm?

If the perimeter of a semicircle is 108 cm, then find its area (in cm²).

An amount fetched a total simple interest of Rs. 3200 at the rate of 6.25 %/yr in 4 years. What is the amount (in Rs)?

The centroid of an equilateral triangle ABC is G. If AB is 6 cms, the length of AG is

The smallest number, which should be added to 756896 so as to obtain a multiple of 11, is