Question

If a train running at a speed of 90 km/h crosses a platform 500 m long in 30 seconds, then the length of the train is:​

Answer 1

Answer:

The speed of a train = 90 kmph = 90 * 5/18 = 25 mps

Train crosses a 250 m long platform in 22 seconds.

So distance covered by train = speed * time = 25 * 22 = 550 m

Thus the length of train will be 550–250 = 300 m.