A train travelling at 90 km/h crosses a pole in 8 s. Find the length of the train (in m).

If a train, with a speed of 60 km/hr, crosses a pole in 30 seconds, the length of the train (in metres) is :

A train travelling at 36 km/h crosses a pole in 25 seconds. How much time (in seconds) will it take to cross a bridge 350 m long?

A train crosses a post in 10 s when it is travelling at 72 km/h. Find the length of the train (in m).