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    Question

    P and Q can individually complete a piece of work in 30

    days and 45 days respectively. If R alone takes 1.5 times the time taken by P and Q together to finish the work, how many days will R take to complete the work?
    A 27 days Correct Answer Incorrect Answer
    B 22 days Correct Answer Incorrect Answer
    C 20 days Correct Answer Incorrect Answer
    D 11 days Correct Answer Incorrect Answer

    Solution

    ATQ,

    Time taken by P and Q together to complete the work = (30 × 45)/ (30 + 45) = 18 days

    Time taken by R alone to complete the work = 1.5 × 18 = 27 days

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