Multiple choice general knowledge math & puzzles

A train 110 metres long is running with a speed of 60 kmph. In what time will it pass a man who is running at 6 kmph in the direction opposite to that in which the train is going?

  1. 5 sec

  2. 6 sec

  3. 7 sec

  4. 10 sec

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

Since they move in opposite directions, relative speed = 60 + 6 = 66 km/hr = 55/3 m/s. Time = Distance/Speed = 110 ÷ (55/3) = 6 seconds.