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

  • question_answer
    A man can row a boat 120 km with stream in 5 hours. If speed of the boat is double the speed of the stream, then the speed of stream is                                        

    A)  6 km/h

    B)  8 km/h  

    C)  9 km/h

    D)  12 km/h

    Correct Answer: B

    Solution :

    [b]        Speed of the boat downstream \[=\frac{120}{5}=24\,km/h\] Ratio of speeds of boat and stream = 2:1 \[\therefore \] speed of the stream\[=\frac{1}{3}\times 24=8\,km/h\]


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