Problems on Trains · Question 8 · Medium
A 200 m long train running at 54 km/h passes a man walking at 6 km/h in the same direction. How long does it take to pass him?
- 13 1/3 seconds
- 12 seconds
- 18 seconds
- 15 seconds
Answer and explanation
Answer: D. 15 seconds
Explanation: Relative speed = 54 − 6 = 48 km/h = 48 × 5/18 = 40/3 m/s. Time = 200 ÷ (40/3) = 15 seconds.
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