A gentleman has 6 friends to invite. In how many ways can be send invitation cards to them, if he has 3 servants to carry the cards?
A gentleman has 6 friends to invite. In how many ways can be send invitation cards to them, if he has 3 servants to carry the cards?

Answer : Given: A gentleman has 6 friends to invite. He has 3 servants to carry the cards.

Each friend can be invited by 3 possible number of servants.

So the number of ways of inviting 6 friends using 3 servants=3 × 3 × 3 × 3 × 3 × 3=36