A train 300 m long runs at 36 km/h. How many seconds does it take to cross a pole?
Answer and explanation
Correct answer: C. 30 seconds
- Step 1: Speed = 36 x 5/18 = 10 m/s.
- Step 2: Time = distance / speed = 300 / 10 = 30 s.
Answer
30 seconds.
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