There are 5 roads leading to a town from a village.The number of different ways in which a villager can go to the town and return back, is

There are 10 trains plying between Calcutta and Delhi.The number of ways in which a person can go from Calcutta to Delhi and return by a different train is:

There are five routes for a journey from stations . A to B . In how many different ways can a man go from A to B and return , if for returning. any of the routes is taken

There are five routes for a journey from stations . A to B . In how many different ways can a man go from A to B and return , if for returning. the same route is taken

There are five routes for a journey from stations . A to B . In how many different ways can a man go from A to B and return , if for returning. the same route is not taken?

Find the number of ways in which 16 constables can be assigned to patrol villages,2 for each.

At an election 3 wards of a town are canvassed by 2, 3, 4 men respectively. The number of ways in which 12 men volunteers can be allotted to different wards is

Find the number of ways in which 16 constables can be assigned to patrol villages, 2 for each.