Q. A train running at 36 km/h crosses a tunnel in 40 seconds. If the tunnel is 200 m long, what is the train length?
✅ Correct Answer: (C)
200 m
Explanation: Speed = 10 m/s → Distance = 400 m → Train = 400−200 = 200 m.
Explanation by: Hriday
Speed = 10 m/s → Distance = 400 m → Train = 400−200 = 200 m.