Multiple choice

A 150 metre long train was running at the speed of 36 km./hr. It takes 30 seconds to cross a platform completely. Find the length of the platform.

  1. 300 meter

  2. 160 meter

  3. 100 meter

  4. 150 meter

  5. None of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Speed = 36 km/hr = 10 m/s. Distance covered in 30 seconds = 10 × 30 = 300 meters. This distance equals train length + platform length. So 150 + platform length = 300, platform length = 150 meters.

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