Multiple Choice Questions on P can do a work in 10 days Q can do the same work in 15 days If they work together for 5 days how mu........... for RRB(NTPC) Exam Preparation

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Multiple Choice Questions

P can do a work in 10 days Q can do the same work in 15 days If they work together for 5 days how mu...........

Quantitative Aptitude (RRB NTPC) Time and work
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    P can do a work in 10 days. Q can do the same work in 15 days. If they work together for 5 days, how much of the work will they complete?

    1/2

    Incorrect Answer

    2/3

    Incorrect Answer

    1/3

    Incorrect Answer

    5/6

    Correct Answer
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    Explanation:

    P = 10 days
    Q= 15 days
    5*(1/10 + 1/15) = 5/6

    By: Barka Mirza
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