Stop

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) .

In a colony of 100 blocks of flats numbering 1 to 100, a school van stops at every sixth block while a school bus stops at every tenth block. On which stops will both of them stop if they start from the entrance of the colony?

A locomotive driver travelling at 72 km/hr finds a signal 210 metres ahead of him indicating that he should stop. He instantly applies brakes to stop the train. The train retards uniformly and stops 10 metres before the signal post. What time did he take to stop the train?

Select the most appropriate option to substitute the underlined segment in the given sentence. If no substitution is required, select No improvement.. They stopped to laugh as soon as the teacher entered the classroom (a) stopped laughing (b) stopped laugh (c) no improvement (d) stop laughing