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SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-12

  • question_answer
    A can do a piece of work in 4 days and B can complete the same work in 12 days. What is the number of days required to do the same

    A)  2 Days                       

    B)  3 Days

    C)  4 Days                       

    D)  5 Days

    Correct Answer: B

    Solution :

     One day work of A and B together \[=\,\,\frac{1}{4}+\frac{1}{12}=\frac{3+1}{12}=\frac{4}{12}=\frac{1}{3}\] Days required by A and B together to do the work \[=\frac{1}{One\text{ }day\text{ }work\text{ }of\text{ }A\text{ }and\text{ }B\text{ }together}\] \[\]


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