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 6 trains running between New Delhi and Darbhanga. In how many ways can a man go from New Delhi to Darbhanga and return by a different trains?

There are 6 trains running between New Delhi and Darbhanga. In how many ways can a man go from New Delhi to Darbhanga and return by a different trains?

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 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 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 ?

15 buses fly between Hyderabad and tirupati. The number of ways can a man go to tirupati from Hyderabad by a bus and return by a different bus is

There are 10 buses running between Delhi and Agra. In how many ways can a man go from Delhi to Agra and return by a different bus?

There are 4 routes between Delhi and Patna. The number of ways a man can gfrom Dellif to Patna and return,if for returning Any of the routes is taken is

There are 6 trains running between indore and Bhopal ., if the person can return by any one of the 6 trains , then find the number of ways in which he can go from indore to bhopal and return from bhopal to indore .