A train 50 m long passes over a bridge at a speed of 30km/h. If it takes 36s to cross the bridge the length of the bridge will be ........... Share with your friends Share 0 Vipra Mishra answered this Solution Let length of the bridge be xLength of train = 50 mVelocity of train = v= 30 km/hr= 506 m/sTotal distance to be travelled by train =50+xvelocity=distance time gives50+x =506×3650+x=300x=250 mLength of bridge =250m 0 View Full Answer