A 100 m long train moving at $54km{h}^{-1}$ is crossing a bridge 200 m long. How much time it will take to cross a bridge?

A 200m long train crosses 400m bridge with a velocity of 36km/h. Find the time taken by the train to cross the bridge

A train 100m long is to cross a river bridge of lenght 800m . What time will take to cross the bridge .

400 metre long train is to cross a Railway Bridge over the river is the bridges 2.1 km long and the train passes over the bridge at a uniform speed of 36 km per hour how much time does the train take to cross the bridge