Multiple Choice Questions on Raju is twice as efficient as Ajay Together they finish the work in 14 days Ajay alone finish the wo........... for CDS Exam Preparation

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Multiple Choice Questions

Raju is twice as efficient as Ajay Together they finish the work in 14 days Ajay alone finish the wo...........

Quantitative Aptitude (CDS) Time and work
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    Raju is twice as efficient as Ajay. Together they finish the work in 14 days. Ajay alone finish the work in how many days?

    21 days
     

    Incorrect Answer

    42 days
     

    Correct Answer

    40 days
     

    Incorrect Answer

    14 days

    Incorrect Answer
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    Explanation:

     let Raju take x days ,ajay will take 2x days
     both take 14 days
     14(1/x + 1/2x)=1
     1/x(3/2)=1/14
      x=21 days
     ajay will take 42 days 

    By: bhavesh kumar singh
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