A committee of 7 has to be formed from 9 boys and 4 girls. In how many ways can this be done when the committee consists of
(i) exactly 3 girls
(ii) atleast 3 girls?
(iii) atmost 3 girls?

A committee of 7 has to be formed 9 boys and 4 girls. In how many ways can this be done when the committee consists of : exactly 3 girls ?

A committee of 7 has to be formed 9 boys and 4 girls. In how many ways can this be done when the committee consists of : atmost 3 girls ?

A committee of 7 has to be formed 9 boys and 4 girls. In how many ways can this be done when the committee consists of : atleast 3 girls ?

A committee of two persons is selected from two men and two women.How many ways can it be done when committee contains at most one man

A committee of two persons is selected from two men and two women.How many ways can it be done when committee contains at least one man.

A group consists of 4 girls and 7 boys .In how ways can a team of 5 members be selected ,if the team has ? (i) no girl (ii) atleast one boy and one girl ? (iii) at least three girls ?

A team of ten is to be formed from 6 male doctors and 10 nurses of whom 5 are male and 5 are female. In how many ways can this be done, if the team must have atleast 4 doctors and atleast 4 nurses with atleast 2 male nurses and at least 2 female nurses?