Multiple Choice Questions on X and Y together can finish a job in 6 days X can alone do the same job in 12 days How long will Y a........... for CDS Exam Preparation

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Multiple Choice Questions

X and Y together can finish a job in 6 days X can alone do the same job in 12 days How long will Y a...........

Quantitative Aptitude (CDS) Time and work
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    X and Y together can finish a job in 6 days. X can alone do the same job in 12 days. How long will Y alone take to do the same job?

    16 days

    Incorrect Answer

    12 days

    Correct Answer

    10 days

    Incorrect Answer

    8 days

    Incorrect Answer
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    Explanation:

    Let Y takes y days to finish the work alone

    1/ y  + 1/12 = 1/6

    Solving for y we get y = 12 days

    By: Munesh Kumari
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