Multiple Choice Questions on A and B can do a piece of work in 12 days and 16 days respectively Both work for 3 days and then A g........... for DRDO Exam Preparation

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Multiple Choice Questions

A and B can do a piece of work in 12 days and 16 days respectively Both work for 3 days and then A g...........

Quantitative Aptitude and Numerical Ability (DRDO) (Phase-i and II) Time and work
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    A and B can do a piece of work in 12 days and 16 days respectively. Both work for 3 days and then A goes away. Find how long will B take to complete the remaining work?

    10

    Incorrect Answer

    11

    Incorrect Answer

    9

    Correct Answer

    None of these

    Incorrect Answer
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    Explanation:

    3/12 + (3 + x)/16 = 1
    x = 9 days

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