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 boat racer can row 45/2km/h in still water. If the

      speed of river is 12.5 km/h, it takes him 40 minutes to row to a place and back, how far off is the place (consider up to two decimals)?
      A 3 Correct Answer Incorrect Answer
      B 4 Correct Answer Incorrect Answer
      C 1 Correct Answer Incorrect Answer
      D 2 Correct Answer Incorrect Answer

      Solution

      Speed of boat in still water =B=45/2 =22.5km/h Speed of river (Stream)=S =12.5km/h Speed of boat in upstream =22.5-12.5=10km/h Speed of boat in Downstream=22.5+12.5=35km/h Let the distance =D ATQ-

      Practice Next
      ask-question