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 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

There are 12 intermediate stations on a railyway line . The number of ways that a train can be made to stop at 4 of these intermediate stations no two of these halting stations being consecutive

Between stations A and B there 10 intermediate stations. Find the number of ways in which a train can be stopped at 4 of these intermediate stations so that, no two stopping stations are adjacent ? (Hint: Stop rarr S. Non stop rarr N we have to arrange SSSSNNNNNN letters so that no two S's are

There are 100 stations between two stations A and B. A train is to stop at ten of these 100 stations. What is the probability that no two of these ten stations are consecutive.