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Multiple choice

A train 600 metre long crosses a pole in 30 seconds. How much time does it take to cross a platform of length 1800 metres? (in seconds)

  1. 100

  2. 120

  3. 200

  4. 180

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Train speed = 600m/30s = 20 m/s. To cross a platform, distance = train length + platform length = 600 + 1800 = 2400m. Time = 2400/20 = 120 seconds.

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