12 ferry-steamers ply between Chandpal Ghat and BotanicalGarden. In how many different ways can a person go fromChandpal Ghat to Botanical Garden in one steamer andreturn in a different steamer?

12 ferry - steamers ply between Chandpal Ghat and Botanical Garden . In how many different ways can a person go from Chandpal Ghat to Botanical Garden in one steamer and return in a different steamer ?

In how many different ways can one invite 3 or more of his 6 friends?

A boy has 9 trousers and 12 shirts. In how many different ways can be select a trouser and a shirt?

In how many different ways 4 boys and 3 girls can be sitted in one row so that two girls are not together?

There are 6 trains running between Indore and Bhopal . In how many ways can a man go from Indore to Bhopal and return by a different train ?

A box contains 6 apples, 5 oranges and 8 mangoes. In how many different ways a person take one apple, one orange and one mango.

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

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