A man has 7 friends and he wants to invite 3 of them at a party. Find how many parties to each of 3 different friends he can give and how many times any particular friend will attend the parties?

Mohan has 8 friends, in how many ways he invite one or more of them to dinner?

A man has 6 friends . In how many ways ways may be invite one or more of them to dinner?

Ramesh has 6 friends. In how many ways can be invite one or more of them at a dinner ?

Anil has 8 friends In how many wasys can he invite one or more of his friends to a dinner?

A man has 8children to take them to a zoo. He takes thre of them at a time to the zoo as often as he can without taking the same 3 children together more than once. How many times will he have to go to the zoo? How many times a particular child will to to the zoo?

In how many ways can I invite one or more six friends to a dinner?

A person tries to form as many different parties as he can, out of his 20 friends. Each party should consist of the same number. How many friends should be invited at a time? In how many of these parties would the same friends be found?

A person tries to form as many different parties as he can, out of his 20 friends. Each party should consist of the same number. How many friends should be invited at a time? In how many of these parties would the same friends be found?

A woman has 11 close friends. Number of ways in which she can invite 5 of them to dinner if two particular friends of them are not on speaking terms and will not attend together is

12 persons are invited for a party. In how many different ways can they and the host be seated at a circular table, if two particular persons are to be seated on either side of the host?