Multiple Choice Questions on A can do a piece of work in 15 days and B in 20 days They began the work together but 5 days before ........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A can do a piece of work in 15 days and B in 20 days They began the work together but 5 days before ...........

Quantitative Aptitude ( CCS) Time and work
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    A can do a piece of work in 15 days and B in 20 days. They began the work together but 5 days before the completion of the work, A leaves. The work was completed in?

    80/7

    Correct Answer

    70/6

    Incorrect Answer

    60/7

    Incorrect Answer

    45/8

    Incorrect Answer
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    Explanation:

    (x – 5)/15 + x/20 = 1
    x = 11 3/7 days

    By: MIRZA SADDAM HUSSAIN
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