πŸ“’ Too many exams? Don’t know which one suits you best? Book Your Free Expert πŸ‘‰ call Now!

  • google app store apple app store
  • βœ–

      Question

      A man can row 4.5 km/h in still

      water but takes twice as long to row up a stream as down it. What is the rate of the stream in km/h?
      A 1.5 Correct Answer Incorrect Answer
      B 2.25 Correct Answer Incorrect Answer
      C 3 Correct Answer Incorrect Answer
      D none of these Correct Answer Incorrect Answer

      Solution

      Uprate + downrate = 2 × 4`1/2` =9 km/h. Since downrate = 2x uprate is 9 km. uprate = 3km/h Speed of the current `4 1/2-3 = 1 1/2` km/h.

      Practice Next
      ask-question