There are p intermediate stations on a railway line from one terminus to another . In how many ways a train can stop at 3 of these intermediate stations if no two of those stopping stations are to be consecutive ?

Between two junction stations A and B there are 12 intermediate stations. The total numbre of ways in which a train can be made to stop at 4 of these stations so that no two of these halting stations are consecutive, is

Between two junction stations A and B, there are 12 intermediate stations. The number of ways in which a train can be made to stop at 4 of these stations so that no two of these halting stations are consecutive, is

Between two junction stations A and B there are 12 intermediate stations. The number of ways in which a train can be made to stop at 4 of these stations so that no two of these halting stations are consecutive, is

There are 14 intermediate stations between Delhi and Agra on the Central Railway.A train is to be scheduled from Delhi to Agra so that it halts at exactly three intermediate stations,no two of which are consecutive.Then the number of ways of doing this is

There are n stations between two cities A and B. A train is to stop at three of these n stations. What is the probaility that no two of these three stations are consecutive ?

There are 10 stations enroute. A train has to be stopped at 3 of them. Let N be the no of ways is which the train can be stopped if atleast two of the stopping stations are consecutive. Find N