Q. A train crosses a standing man in 5 seconds at 72 km/h. What is the length of the train?
✅ Correct Answer: (C)
100 m
Explanation: Speed = 20 m/s → Length = 20×5 = 100 m.
Explanation by: Hriday
Speed = 20 m/s → Length = 20×5 = 100 m.