Problems on Trains · Question 2 · Easy
A train running at 72 km/h crosses a lamp post in 9 seconds. What is the length of the train?
- 648 m
- 160 m
- 200 m
- 180 m
Answer and explanation
Answer: D. 180 m
Explanation: 72 km/h = 20 m/s. Length = 20 × 9 = 180 m.
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