WBCS.LIVE practice question

120 metre long train A is running with speed of 20 m/s and 130 metre long train B is running with speed of 30 m/s in opposite direction. The time taken by train B to cross train A is?

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

Answer options

  1. 5 second
  2. 25 second
  3. 10 second
  4. 50 second

Correct answer and explanation

Correct answer: 5 second