JEE Main Mathematics question

MathematicsPermutations and CombinationsJEE Main

The letters of the word OUGHT are written in all possible ways and these words are arranged as in a dictionary, in a series. Then the serial number of the word TOUGH is

Answer: (A)

Solution

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

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Question ID VK-020891