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.
There are 3732 females per 4000 males
Therefore, to find number of females per 1000 males we need to divide 3732 by 4
⇒ number of females per 1000 males = 
= 933
Therefore, sex ratio = 
= 0.933
53