[(1)/(1." There are "10" buses running between Delhi and Agra.In how many ways ")17.1],[" can a man go from Delhi to Agra and return by a different bus? "]

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 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 10 buses running between two towns X and Y. In how many ways can a mango from X to Y and return by a different bus ?

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 ?

There are 15 buses running between Lucknow and Kanpur. In how many ways can a man go to Kanpur and return by a different bus?

There are 4 routes between Delhi and Patna. In how many different ways can a man go from Delhi to Patna and return, if for returning (i) any of the routes is taken, (ii) the same route is taken, (iii) the same route is not taken?

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

From Goa to Mumbai there are 5 flights . In how many ways can Suresh go from Goa to Mumbai and return by a different flight ?

From Goa to Mumbai there are 5 flights . In how many ways can Suresh go from Goa to Mumbai and return by a different flight ?