WBCS.LIVE practice question

Ramu can ride a boat at 9 km/h speed in still water. It takes twice the time to go in the opposite direction of the stream than going in the direction of the stream. Find the speed of the stream.

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

Answer options

  1. 16 km/hr
  2. 8 km/hr
  3. 3 km/hr
  4. 9 km/hr

Correct answer and explanation

Correct answer: 3 km/hr