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JEE Main Mathematics question

MathematicsPermutations and CombinationsJEE Main

If the letters of the word MATHS are permuted and all possible words so formed are arranged as in a dictionary with serial number, then the serial number of the word THAMS is

Answer: (B)

Solution

The letters in alphabetical order are ; count the words before THAMS place by place. First place: are smaller than : ; second place (from ): is smaller than : ; the remaining letters are already in order. There are

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Question ID VK-020884