Quantitative Aptitude - Arithmetic Ability Questions

The lengths of diagonals of a rhombus are 24cm and 10cm the perimeter of the rhombus (in cm ) is :

Which of the following is not true for a rhombus?

Fraction that lies between 2/5 and 4/9 is

The length of a chord which is at a distance of 5cm from the centre of a circle of radius 13cm is

A man has some hens and some cows. If the total number of heads of hens and cows together is 50 and the nunber of feet of hens and cows together is 142, then the number of cows is

The curved surface area and the slant height of a right circular cone are 858 cm² and 13 cm respectively. Find its diameter (in cm).

Find the volume (in cub.cm) of a hemisphere of diameter 21 cm.

A certain principal is invested in a scheme of compound interest. The amount obtained after 1 year is Rs 2400 and the amount obtained after 2 years is Rs 2880. What is the rate of interest (in percentage)?