New Click here to Enroll for SIDBI MSME Expert Class by ex-GM, SBI on Nov 24

    Register

    Question

    A man goes downstream with a boat to some destination

    and returns upstream to his original place in 6 hours. If the speed of the boat in still water and the stream is 10km/h and 4km/h respectively, the distance of the destination from the starting place is.
    A 25.2km Correct Answer Incorrect Answer
    B 16.5km Correct Answer Incorrect Answer
    C 12km Correct Answer Incorrect Answer
    D 14km Correct Answer Incorrect Answer

    Solution

    Let the speed of boat in still water =B and speed of stream =S B=10km/h, S=4km/h B+S=14km/h B-S=6km/h Let Distance =D km D/14+D/6=6 10D=252 D=25.2km

    Practice Next

    Relevant for Exams: