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JEE Main Mathematics question

MathematicsPermutations and CombinationsJEE Main

If the letters of the word KRISNA are arranged in all possible ways and these words are written out as in a dictionary, then the rank of the word KRISNA is

Answer: (A)

Solution

The letters in alphabetical order are ; count the words before KRISNA place by place. First place: are smaller than : ; second place: are smaller than : ; third

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Question ID VK-020680