A 240-metre long train crosses a platform twice its length in 2 minutes . What is the speed of the train ?

A 210 meres long train crosses a platform of equal length in 20 seconds. What is the speed of the train ?

A 150 m long train crosses a platform in 15s. What is the length of the platform if the speed of the train is 90 km/h?

A 180 - metre long train crosses a man standing on the platform in 6 seconds. What is the speed of the train?

A 360-metre-long train crosses a platform in 120 seconds. What is the speed of the train ?