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SSC Sample Paper SSC CGL - Sample Paper-17

  • question_answer
    If either 3 men or 4 women can do a piece of work a 43 days, 7 men and 5 women working together can do the work twice as great in

    A) 36 days            

    B) 24 days

    C) 28 days            

    D) 32 days

    Correct Answer: B

    Solution :

    3 Men = 4 Women \[\therefore \] 1 Men \[=\frac{4}{3}\text{Women}\] \[\therefore 7\,\text{Men}+5\,\text{Women}=\left( 7\times \frac{4}{3}+5 \right)\text{Women}\] \[=\frac{43}{3}\text{Women}\] Let x be required number of days.             \[\left. \begin{matrix}    1 & : & 2  \\    \frac{43}{3} & : & {}  \\ \end{matrix} \right|::43:x\] \[\therefore \]      \[x=\frac{2\times 4\times 43\times 3}{1\times 43}=24\,\text{days}\]


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