JEE Main & Advanced Mathematics Permutations and Combinations Question Bank Circular Permutations

  • question_answer
    If eleven members of a committee sit at a round table so that the President and Secretary always sit together, then the number of arrangements is

    A) \[10\ !\ \times 2\]

    B) \[10\,!\]

    C) \[9\,!\ \times 2\]

    D) None of these

    Correct Answer: B

    Solution :

    Required number of ways\[9\ !\ \times 2\]. {By fundamental property of circular permutation}.


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