1. A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train?
2. A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is:
3. The length of the bridge, which a train 130 metres long and travelling at 45 km/hr can cross in 30 seconds, is: