๐Ÿ“ข Too many exams? Donโ€™t know which one suits you best? Book Your Free Expert ๐Ÿ‘‰ call Now!

  • google app store apple app store
  • โœ–

      Question

      A man takes 2.2 times as long to row a distance upstream

      as to row the same distance downstream. If he can row 55 km downstream in 2 hours 30 minutes, what is the speed of the boat in still water?ย 
      A 12km/h Correct Answer Incorrect Answer
      B 16km/h Correct Answer Incorrect Answer
      C 18km/h Correct Answer Incorrect Answer
      D 14km/h Correct Answer Incorrect Answer

      Solution

      DownstreamUpstream Time-5:11=>2.2=22/10=11/5 Speed-ย  ย 11:5 Let the Downstream Speed=11x and upstream speed =5x Now ATQ- 11x =55/2.5 X=2 Speed of boat in still water =(11x+5x)/2 =16x/2=8x =8ร—2=16km/h

      Practice Next

      Relevant for Exams:

      ask-question