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SSC Sample Paper SSC (Group-C) Sample Test Paper-5

  • question_answer
    Two pipes A and B can fill a tank in 6 hours and 8 hours respectively. If both the pipes are opened together, then after how many hours should B be closed so that the tank is full in 4 hours?

    A)  \[\frac{2}{3}\]                  

    B)  1

    C)  2                   

    D)  \[\frac{8}{3}\]

    Correct Answer: D

    Solution :

     Part of the tank filled in 4 hours by pipe A \[=\frac{4}{6}=\frac{2}{3}\] Time taken by pipe B in filling \[\frac{1}{3}\]rd part \[=\frac{8}{3}\] hours


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