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SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-2

  • question_answer
    A cistern is normally filled in 8 hours but takes 2 hours longer to be filled because of a leak in the bottom. If the cistern is full. the leak will empty in:

    A)  20 hrs              

    B)  36 hrs

    C)  40hrs     

    D)         None of these

    Correct Answer: C

    Solution :

     Let leak can empty the full tank in \[x\] hours. Then             \[\frac{1}{8}-\frac{1}{x}=\frac{1}{10}\] \[\therefore \]      \[\frac{1}{x}=\frac{1}{8}-\frac{1}{10}=\frac{1}{40}\]


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