Problems on Trains - General Questions

A train running at 108 km/hr crosses a pole in 18 seconds. What is the length of the train?

A train 120 m long crosses a platform 960 m long in 36 seconds. What is the speed of the train?

Two trains of lengths 230 m and 490 m run on parallel lines in the same direction at 72 km/hr and 18 km/hr. How long does the faster train take to pass the slower one completely?

A train passes a station platform in 33 seconds and a man standing on the platform in 11 seconds. If the speed of the train is 54 km/hr, what is the length of the platform?

Two trains of lengths 190 m and 545 m run on parallel lines in the same direction at 90 km/hr and 36 km/hr. How long does the faster train take to pass the slower one completely?