Multiple Choice Questions on A B and C can do a piece of work in 24 30 and 40 days respectively They start the work together but ........... for PCS Exam Preparation

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Multiple Choice Questions

A B and C can do a piece of work in 24 30 and 40 days respectively They start the work together but ...........

Quantitative Aptitude (PCS) Time and work
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    A, B and C can do a piece of work in 24, 30 and 40 days respectively. They start the work together but C leaves 4 days before the completion of the work. In how many days is the work done?

    40

    Incorrect Answer

    11

    Correct Answer

    25 

    Incorrect Answer

    30

    Incorrect Answer
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    Explanation:

    x/24 + x/30 + x/40 = 1
    x = 11 days

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