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SSC Sample Paper SSC CGL - Sample Paper-8

  • question_answer
    Two pipes can fill a cistern separately in 10 h and 15 h. They can together fill the cistern in

    A)  6 h                  

    B)  7 h

    C)  8 h                              

    D)  9 h

    Correct Answer: A

    Solution :

    Part of the cistern filled by both pipes in 1 h \[=\frac{1}{10}+\frac{1}{15}=\frac{3+2}{30}=\frac{1}{6}\] \[\therefore \] The cistern will be filled in 6 h.          


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