Multiple Choice Questions on A can do a piece of work in 4 days B can do it in 5 days With the assistance of C they completed the........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A can do a piece of work in 4 days B can do it in 5 days With the assistance of C they completed the...........

Quantitative Aptitude ( CCS) Time and work
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    A can do a piece of work in 4 days. B can do it in 5 days. With the assistance of C they completed the work in 2 days. Find in how many days can C alone do it?

    32

    Incorrect Answer

    14

    Incorrect Answer

    9

    Incorrect Answer

    20

    Correct Answer
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    Explanation:

    C = 1/2 - 1/4 - 1/5 = 1/20 
    => 20 days

    By: MIRZA SADDAM HUSSAIN
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