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

There are 10 stations enroute. A train has to be stopped at 3 of them. Let N be the ways in which the train can be stopped if atleast two of the stopping stations are consecutive. Find the value of sqrt(N) .

There are 10 stations enroute. A train has to be stopped at 3 of them. Let N be the ways in which the train can be stopped if atleast two of the stopping stations are consecutive. Find the value of sqrt(N) .

If there are 10 stations on a route and the train has to be stopped at 3 of them, then the number of ways in which the train can be stopped so that atleast two stopping stations are consecutive is

There are 10 stations on a railway. A train has to stop at three of these stations. The probability that no two of them are consecutive 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 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 ?

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 station are consecutive , is