Problems on Trains · Question 14 · Hard
A train passes a stationary man in 8 seconds and a 264 m platform in 20 seconds. What is the speed of the train in km/h?
- 79.2 km/h
- 47.52 km/h
- 22 km/h
- 72 km/h
Answer and explanation
Answer: A. 79.2 km/h
Explanation: From L/8 = (L + 264)/20, 12L = 2112 so L = 176 m and speed = 176 ÷ 8 = 22 m/s = 22 × 18/5 = 79.2 km/h.
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