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    Question

    'P', 'Q', and 'R', working in unison, can complete an

    assignment in 10 days. 'P' and 'Q' finish it in 12 days, while 'Q' and 'R' complete it in 15 days. Calculate the time 'Q' needs to finish the work alone.
    A 16 days Correct Answer Incorrect Answer
    B 10 days Correct Answer Incorrect Answer
    C 20 days Correct Answer Incorrect Answer
    D 25 days Correct Answer Incorrect Answer

    Solution

    ATQ,'

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