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

A 50m long train passes over a bridge at a speed if 30km/h. If it takes 36 s to cross the bridge , the length of the bridge is?

A train 50 M long passes over a bridge at a speed of 30 km if it takes 36 second to cross the bridge the length of the bridge will be what