ЁЯУв Too many exams? DonтАЩt know which one suits you best? Book Your Free Expert ЁЯСЙ call Now!

    Question

    ┬аA man can row the boat x km downstream and the same

    distance upstream in 12 hours. Also, he can row the boat 5x km downstream in 10 hours. At what time, he can row the x km distance upstream?
    A 12h Correct Answer Incorrect Answer
    B 10h Correct Answer Incorrect Answer
    C 18h Correct Answer Incorrect Answer
    D 8h Correct Answer Incorrect Answer

    Solution

    Let the downstream speed of the boat be тАШaтАЩkm/h According to the question, (5x/a) = 10 Or (x/a) = (10/5) Or (x/a) = 2 = time taken to travel тАШxтАЩ km downstream Let the upstream speed of the boat be тАШb.тАЩ km/h Also, (x/a) + (x/b) = 12 2 + x/b = 12 x / b = 10 hours

    Practice Next
    More Boats and streams Questions

    Relevant for Exams:

    ask-question