Multiple choice general knowledge math & puzzles

A train passes a station platform in 36 seconds and a man standing on the platform in 20 seconds. If the speed of the train in 54 km/hr, what is the length of the platform?

  1. 120 m

  2. 240 m

  3. 300 m

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Converting speed: 54 km/hr = 15 m/s. Train length from passing the man: 15 × 20 = 300 m. Combined distance (train + platform): 15 × 36 = 540 m. Platform length alone: 540 - 300 = 240 m.

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