[" 18.From a class of "32" students,"4" are to be chosen for a competition.In how many ways can "],[" this can be done? "]

From a class of 32 students,4 are to be chosen for a competition.In how many ways can this be done?

From a class of 32 students, 4 are to be chosen for a competition. In how many ways can this be done?

From a class of 32 students, 4 are to be chosen for a competition. In how many ways can this be done ?

From a class of 25 students, 4 are to be chosen for a competition. In how many ways can this be done?

From a class of 30 student , 3 are to be chosen for a competition . In how many ways can this be done ?

From a class of 30 student , 3 are to be chosen for a competition . In how many ways can this be done ?

A committee consisting of 2 men and 2 women is to be chosen from 5 men and 6 women. IN how many ways can this be done?

A committee consisting of 2 men and 2 women is to be chosen from 5 men and 6 women. IN how many ways can this be done?

From a class of 12 boys and 10 girls, 10 students are to be chosen for a competition, at least including 4 boys and 4 girls. The 2 girls who won the prizes last year should be included. In how many ways can the selection be made ?

From a class of 12 girls and 15 boys, 12 students are to be chosen for a competition including 7 boys and 5 girls. The two girls and 3 boys who won the prizes last year should be included . In how many ways can the selection be made ?