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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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