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

  • question_answer
    If a man's rate with the current is 12 km/hr. and the rate of the current is 1.5 km/hr.., then man's rate against the current is -

    A)  9 km/hr.          

    B)  6.75 km/hr.

    C)  5.25 km/hr.      

    D)  7.5 km/hr.

    Correct Answer: A

    Solution :

    [a]        Let the rate against the current be x km/hr. Then, \[\frac{12-x}{2}=1.5\Rightarrow 12-x=3\Rightarrow x=9\,km/hr\]


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