Problems on Trains · Question 3 · Easy
A 240 m long train crosses a 360 m long platform in 30 seconds. What is the speed of the train in km/h?
- 72 km/h
- 43.2 km/h
- 20 km/h
- 28.8 km/h
Answer and explanation
Answer: A. 72 km/h
Explanation: Distance = 240 + 360 = 600 m. Speed = 600 ÷ 30 = 20 m/s = 20 × 18/5 = 72 km/h.
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