Multiple Choice Questions on 20 Men can complete a work in 12 days and 24 Boys can complete same work in 20 days 16 men and 8 boy........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

20 Men can complete a work in 12 days and 24 Boys can complete same work in 20 days 16 men and 8 boy...........

Quantitative Aptitude ( CCS) Time and work
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    20 Men can complete a work in 12 days and 24 Boys can complete same work in 20 days. 16 men and 8 boys started working and worked for 12 days. How many more days are needed to complete the work?

    4 days

    Incorrect Answer

    7 days

    Incorrect Answer

    9 days

    Incorrect Answer

    No more days needed.

    Correct Answer
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    Explanation:

    Solution:
    20M * 12 days = 24B *20 days
    then 1M=2B
    Now 16M + 8B==>16M+4M=12 days ie 20M=12 days.
    So no more days needed to complete the work.

    By: Pranav Gupta
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