Sex ratio is defined as the number of females per 1000 males in the population. Find the sex ratio if there are 3732 females per 4000 males in a town.

A line segment 56cm long is to be divided into two parts in the ratio of 2:5. Find the length of each part.

The number of milk teeth in human beings is 20 and the number of permanent teeth is 32. Find the ratio of the number of milk teeth to the number of permanent teeth.

In a year, Ravi earns Rs 360000 and paid Rs 24000 as income tax. Find the ratio of his

(a) income to income tax.

(b) income tax to income after paying income tax.

Ramesh earns Rs 28000 per month. His wife Rama earns Rs 36000 per month. Find the ratio of

(a) Ramesh’s earnings to their total earnings

(b) Rama’s earnings to their total earnings.