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    Question

    A can finish painting a sari in 11 days, B in 20 days

    and C in 55 days, if they work independently. In how many days can the work be completed if A is assisted by B on every odd numbered day and by C' on every even numbered day till the work completes? 
    A 9 days Correct Answer Incorrect Answer
    B 18 days Correct Answer Incorrect Answer
    C 12 days Correct Answer Incorrect Answer
    D 8 days Correct Answer Incorrect Answer

    Solution

    The correct answer is D

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