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 a ways can 8 different things be divided into groups of 5 and 3 ?

In how many ways can 8 different things be divided equally into two groups ?

In how many ways can a pack of 52 cards be divided in 4 sets, three of them having 17 cards each and fourth just one card?

In how many ways can a pack of 52 cards divided in 4 sets, three of them having 17 cards each and fourth just 1 card ?

In how many ways can 12 things be equally divided : into 2 heaps ?

In how many ways can 10 things be equally divided : into two heaps ?

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