WBCS.LIVE practice question

A body covers half the distance with a speed of 20 m/s and the other half with 30 m/s. The average speed of the body during the whole journey is

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

Answer options

  1. 0m/s
  2. 24 m/s
  3. 25 m/s
  4. 28 m/s

Correct answer and explanation

Correct answer: 24 m/s