A train 150 m long runs at 54 km/h. How many seconds does it take to cross a pole?
Answer and explanation
Correct answer: B. 10 seconds
- Step 1: Speed = 54 x 5/18 = 15 m/s.
- Step 2: Time = distance / speed = 150 / 15 = 10 s.
Answer
10 seconds.
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