Question

    A, B and C can individually finish a job in 10, 15 and

    6 days, respectively. If all of them work together, in how many days will they finish the job?
    A 2 days Correct Answer Incorrect Answer
    B 3 days Correct Answer Incorrect Answer
    C 4 days Correct Answer Incorrect Answer
    D 5 days Correct Answer Incorrect Answer

    Solution

    The correct answer is B

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