Multiple Choice Questions on 12 children and 15 men complete a certain piece of work in 7 days If each child takes twice the time........... for SSC CHSL Preparation

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Multiple Choice Questions

12 children and 15 men complete a certain piece of work in 7 days If each child takes twice the time...........

Quantitative Aptitude (CHSL) Time and work
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    12 children and 15 men complete a certain piece of work in 7 days. If each child takes twice the time taken by a man to finish the work, in how many days will 14 men finish the same work?

    12days

    Incorrect Answer

    11 1/3days

    Incorrect Answer

    10 1/2days

    Correct Answer

    11days

    Incorrect Answer
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    Explanation:

    1Children =2men
    12children=6men
    Then 12C+15M
    =6M+15M ==>21M
    21M—–7
    14M—–?==> (21*7)/14=10 1/2days.

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