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Railways Quantitative Aptitude Boats & Streams Sample Paper Boats and Streams Sample Test Paper-14

  • question_answer
    A boat takes half the time in moving a certain distance downstream than upstream. The ratio between rate in still water and rate of current is

    A)  1 : 4                

    B)  1 : 2

    C)  3 : 1    

    D)  3 : 2

    Correct Answer: C

    Solution :

    [c]         Let speed of boat in still water = x km/h Speed of current = y km/h \[\] \[(x+y)\times t=(x-y)\times 2t\] x = 3y x : y = 3 : 1


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