Problems on Trains · Question 1 · Easy
A train 180 m long is running at 54 km/h. How long will it take to pass a signal pole?
- 12 seconds
- 15 seconds
- 3.3 seconds
- 10 seconds
Answer and explanation
Answer: A. 12 seconds
Explanation: 54 km/h = 54 × 5/18 = 15 m/s. Time to pass a pole = length ÷ speed = 180 ÷ 15 = 12 seconds.
Next: A train running at 72 km/h crosses a lamp post in 9 seconds. What is the…
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