WBCS.LIVE practice question

A train 100 meters long takes 6 seconds to cross a man walking at 5 kmph in a direction opposite to that of the train. The speed of the train is

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. 40 kmph
  2. 45 kmph
  3. 50 kmph
  4. 55 kmph

Correct answer and explanation

Correct answer: 55 kmph

Explanation: āœ… Correct Answer: D. 55 kmph šŸ“š Explanation: The train crosses the man in 6 seconds, so their relative speed is (100 / 6) meters per second. Converting to kmph: (100/6) multiplied by 18/5 = 60 kmph. Since they move in opposite directions, relative speed is (Train Speed + 5) = 60. Therefore, the speed of the train is exactly 55 kmph.