In a joint family, there are father, mother, 3 married sons and one unmarried daughter. Of the sons, two have 2 daughters each, and one has a son . How many female members are there in the family ?

Explanation:-

The female members in the family are mother,wives of 3 married sons unmarried daughter and 2 daughters of each of the two sons.
Number of female members=(1+3+1+2x2)=9