Q. A train crosses a tunnel in 35 seconds at 36 km/h. If the train is 150 m long, what is the tunnel length?
✅ Correct Answer: (C)
200 m
Explanation: Speed = 10 m/s → Distance = 10×35 = 350 m → Tunnel = 350−150 = 200 m.
Explanation by: Hriday
Speed = 10 m/s → Distance = 10×35 = 350 m → Tunnel = 350−150 = 200 m.