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

    Question

    The speed of the stream is 20 km/h. Boat тАШAтАЩ covers

    120 km distance against the stream in 6 hours and boat тАШBтАЩ covers 120 km distance against the stream in 5 hours. The speed of boat тАШBтАЩ in still water is how much percent of the speed of boat тАШAтАЩ in still water?
    A 110% Correct Answer Incorrect Answer
    B 100% Correct Answer Incorrect Answer
    C 115% Correct Answer Incorrect Answer
    D 112% Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Speed of boat тАШAтАЩ upstream = 120/6 = 20 km/h Speed of boat тАШBтАЩ upstream = 120/5 = 24 km/h Speed of the boat тАШAтАЩ in still water = 20 + 20 = 40 km/h Speed of the boat тАШBтАЩ in still water = 24 + 20 = 44 km/h Required percentage = (44/40) ├Ч 100 = 110%

    Practice Next
    More Boats and streams Questions

    Relevant for Exams:

    ask-question