A 180 metres long train takes 9 seconds to pass avertical pole.Whatis the average speed of the train in kilometre per hour?

# Answer

72 kilometre per hour.

# Steps

See image.

A 180 metres long train takes 9 seconds to pass avertical pole.Whatis the average speed of the train in kilometre per hour?

72 kilometre per hour.

See image.