Question

A group consist of 4girls and 7boys .In how many ways can a team of 5 members be selected if the team has no girls

Answer 1

A team of 5 members has to be selected from 4 girls and 7 boys such that the team doesn't contain any girl

This implies that the team of 5 members will be selected from 7 boys

Required no. of ways = 7C5 = 7C2 = (7*6)/2= 21


In 21 ways, a team of 5 members will be selected from 7 boys...

Hope it helps.
;)