JEE Main & Advanced Mathematics Permutations and Combinations Question Bank Definition of combinations, Conditional combinations, Division into groups, Derangements

  • question_answer
    How many numbers of 6 digits can be formed from the digits of the number 112233 [Karnataka CET 2004]

    A) 30

    B) 60

    C) 90

    D) 120

    Correct Answer: C

    Solution :

    Required number of ways\[=\frac{6!}{2\,!\,\,2!\,\,2!}=90\].


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