Question

    A can do a work in 24 days. B is 20% less efficient than

    A. Both A and B worked together for 4 days. B and C working together completed the remaining work in 14 hearts. In how much time can A, B and C together complete 11/12th of the original work? 
    A 12 Day Correct Answer Incorrect Answer
    B 8 Day Correct Answer Incorrect Answer
    C 9 Day Correct Answer Incorrect Answer
    D 10 Day Correct Answer Incorrect Answer

    Solution

    The correct answer is D

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