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JEE Main & Advanced Mathematics Permutations and Combinations Question Bank Self Evaluation Test - Permutations and Combinatioins

  • question_answer
    All the words that can be formed using alphabets A, H, L, U and R are written as in a dictionary (no alphabet is repeated). Rank of the word RAHUL is

    A) 71

    B) 72

    C) 73

    D) 74

    Correct Answer: D

    Solution :

    [d] No. of words starting with A are \[4!\text{ }=\text{ }24\] No. of words starting with H are \[4!\text{ }=\text{ }24\] No. of words starting with L are \[4!\text{ }=\text{ }24\] These account for 72 words Next word is RAHLU and the 74th word RAHUL.


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