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?

A man has 7 friends. In how many ways can be invite one or more of them to a party ?

A man has 10 friends, in how many ways he can invite one or more of them to a party?

A person has 12 friends.In how many ways he can invite them for a party (one person for at least one time)?

Your friend has not invited you to his marriage party. You will

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

Ramesh has 6 friends. In how many ways can he 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 8 children to take them to a zoo. He takes three 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?