Q. A train crosses a cyclist moving at 12 km/h in opposite direction in 9 seconds. If train speed is 48 km/h, what is its length?
✅ Correct Answer: (C)
150 m
Explanation: Relative speed = (48+12)×5/18 = 16.67 m/s → Length = 16.67×9 ≈ 150 m.
Explanation by: Hriday
Relative speed = (48+12)×5/18 = 16.67 m/s → Length = 16.67×9 ≈ 150 m.