JEE Main & Advanced Mathematics Permutations and Combinations Question Bank Critical Thinking Questions

  • question_answer How many words can be made out from the letters of the word INDEPENDENCE, in which vowels always come together [Roorkee 1989]

    A) 16800

    B) 16630

    C) 1663200

    D) None of these

    Correct Answer: A

    Solution :

    Required number of ways are\[\frac{8\ !}{2\ !\ 3\ !}\times \frac{5\ !}{4\ !}=16800\]. {Since IEEEENDPNDNC = 8 letters}.

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