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    Question

    There are 9 cups placed on a table arranged in equal

    number of rows and columns out of which 6 cups contain coffee and 3 cups contain tea. In how many ways can they be arranged so that each row should contain at least one cup of coffee?
    A 18 Correct Answer Incorrect Answer
    B 27 Correct Answer Incorrect Answer
    C 54 Correct Answer Incorrect Answer
    D 81 Correct Answer Incorrect Answer

    Solution

    The correct answer is D

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