A train 320 m long is running at a speed of 36 kmph. How much time will it take to pass a pole?

A30 seconds

B32 seconds ✓ Correct

C36 seconds

D40 seconds

Correct answer: (B) 32 seconds

Explanation

It takes 32 seconds to pass the pole.

Convert speed: 36 kmph = 36 x 5/18 = 10 m/s.

To pass a pole the train covers its own length.

Distance = 320 m.

Time = distance / speed = 320 / 10.

320 / 10 = 32 seconds.

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