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Banking Sample Paper IBPS Clerk (PT) Sample Paper Test-2

  • question_answer
    A man rows a certain distance downstream in 4 hours and back to the same point in 7.5 hours. If the speed of the stream is 3.5 kmph then what is the speed of the man in still water?

    A)  10 kmph                      

    B)  16 kmph          

    C) 12.2 kmph       

    D) 9.5 kmph         

    E) 11.5 kmph

    Correct Answer: E

    Solution :

    Let the speed of the man in still water be x kmph. Downstream speed = (x + 3.5) kmph Upstream Speed == (x - 3.e) kmph Now, \[4\times (x+3.5)=(x-3.5)\times 7.5\] or, \[4x+14=7.5x-26.25\] or\[3.5x=40.25\] \[\therefore x=\frac{40.25}{3.5}=11.5kmph\]


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