A bag has contains 23 halls in which 7 are identical . Then number of ways of selecting 12 balls from bag.

A bag has contains 23 balls in which 7 are identical . Then number of ways of selecting 12 balls from bag.

A bag has contains 23 balls in which 7 are identical . Then number of ways of selecting 12 balls from bag.

A bag has contains 23 balls in which 7 are identical . Then number of ways of selecting 12 balls from bag.

There are 31 in a bag is which 10 are identical,then then the number of ways of choosing 10 objects from bag is

The total number of ways of selecting 3 balls from a bag containing 7 balls is

There are two bags, each containing m balls, A person has to select an equal numbers of balls from both the bags. Find the number of ways in which he can select at least one ball from each bag.

A bag contains 12 balls which are numbered from 1 to 12. If a ball is selected at random. what is the probability that the number of the ball will be a multiple of 5 or 6?

There are two bags each of which contains n balls. A man has to select an equal number of balls from both the bags. Prove that the number of ways in which a man can choose at least one ball from each bag is^(2n)C_n-1.

There are two bags each of which contains n balls.A man has to select an equal number of balls from both the bags.Prove that the number of ways in which a man can choose at least one ball from each bag is ^(2n)C_(n)-1.