Multiple Choice Questions on P and Q can do a piece of work in 10 days and 20 days respectively Both of them start the work but P........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

P and Q can do a piece of work in 10 days and 20 days respectively Both of them start the work but P...........

Quantitative Aptitude ( CCS) Time and work
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    P and Q can do a piece of work in 10 days and 20 days respectively. Both of them start the work but P leaves the work 5 days before its completion. Find the time in which work is completed

    10

    Correct Answer

    15

    Incorrect Answer

    20

    Incorrect Answer

    25

    Incorrect Answer
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    Explanation:


    (1/10 + 1/20)*(T-5) + 5/20 = 1 (T is the number of days in which the work is completed)
    ANS =10

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