Railways Sample Paper RRB (Assistant Loco Pilot) Sample Test Paper-20

  • question_answer
    A person can swim in still water at 4 km/h. If the speed of water is 2 km/h, how many hours will the man take to swim back against the current for 6 km.

    A)  3                    

    B)  4                                

    C)  \[4\frac{1}{2}\]                  

    D)         Insufficient data

    Correct Answer: A

    Solution :

    Man's speed in upstream\[~=4-2=2\text{ }km/h.\] \[\therefore \] Required time \[=\frac{6}{2}=3\]hours


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