There are three prizes to be distributed among 6 students. In how many ways can this be done when
no boy gets more than one prize.

There are three prizes to be distributed among 6 students. In how many ways can this be done when no boy gets more than one prize.

There are three prizes to be distributed among 6 students. In how many ways can this be done when no boy gets all prizes.

There are three prizes to be distributed among 6 students. In how many ways can this be done when there is no resrtiction as to the number of prizes that a boy may get.

A class has 30 students, In how many ways can three prizes be awarded so that: no student gets more than one prize?

A committee of 2 boys is to be selected from 4 boys. In how many ways can this be done ?

In how many ways can 8 students be seated in : a line ?

A class has 30 students, In how many ways can three prizes be awarded so that: a student may get any number of prizes?

A man has 10 friends. In how many ways he can invite one or more of them to a party?

A man has 7 friends. In how many ways can he invite one or more of them to a party ?

In how many ways can 6 beads of same colour form a necklace ?