šŸ“¢ Too many exams? Donā€™t know which one suits you best? Book Your Free Expert šŸ‘‰ call Now!
  • google app store apple app store
    • āœ–

      Question

      A boat takesĀ  3 hours Ā to travelĀ  54 km downstream

      Ā andĀ  3 hours Ā to travelĀ  42 km upstream . What is theĀ  speed of the boat in still water ?
      A 15 km/h Correct Answer Incorrect Answer
      B 20 km/h Correct Answer Incorrect Answer
      C 18 km/h Correct Answer Incorrect Answer
      D 16 km/h Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Downstream speed = distance / time = 54 / 3 = 18 km/h Upstream speed = 42 / 3 = 14 km/h Speed of boat in still water = (Downstream + Upstream) / 2 = (18 + 14) / 2 = 32 / 2 = 16 km/h

      Practice Next
      More Boats and streams Questions

      Relevant for Exams:

      ask-question