In how many ways 50 different things can be divided in 5 sets three of them having 12 things each and tow of them having 7 things each.

In how many ways 10 persons can be divided into 5 pairs?

In how many ways can 5 different books be tied up in three bundles?

In how many ways can 5 different balls be distributed among three boxes?

In how many ways three different rings can be worn in four fingers with at most one in each finger?

In how many ways can 12 books be divided in 3 students equally?

In how many ways can Rs. 16 be divided into 4 persons when none of them gets less than Rs. 3?

In how many ways can Rs. 16 be divided into 4 persons when none of them gets less than Rs. 3?

In how many ways five different rings can be worn in four fingers with at least one ring in each finger?

The number of ways of distributing 50 identical things among 8 persons in such a way that three of them get 8 things each, two of them get 7 things each and remaining 3 get 4 things each, is equal to

(i) In how many ways can a pack of 52 cards be divided equally among four players? (ii) In how many ways can you divide these cards in four sets, three of them having 17 cards each and the fourth one just one card?