Q. A train of length 120m crosses a pole in 12 seconds. What is its speed?
✅ Correct Answer: (B)
36 km/h
Explanation: Speed = 120/12 = 10 m/s → 10 × 3.6 = 36 km/h.
Explanation by: Mr. Dubey
Speed = 120/12 = 10 m/s → 10 × 3.6 = 36 km/h.