Question

    A and B can do a certain work in 6 hours, and A, B and

    C together take 4 hours to do the same. How long will it take for C alone to accomplish the task?
    A 6 hours Correct Answer Incorrect Answer
    B 12 hours Correct Answer Incorrect Answer
    C 2 hours Correct Answer Incorrect Answer
    D 4 hours Correct Answer Incorrect Answer

    Solution

    The correct answer is B

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