JEE MATHEMATICS MCQ: PERMUTATIONS

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The number of words that can be formed by using the letters of the word MATHEMATICS that start as well as end with T is:

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Correct option: B

90720

Option B (90720) is correct because after fixing T at the beginning and end, we arrange the remaining 9 letters, accounting for repetitions of M and A, resulting in 9!/(2!2!) = 90720.

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