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JEE MATHEMATICS MCQ: PERMUTATIONS

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If the number of ways of selecting

K

coupons out of an unlimited number of coupons bearing the letters A, T, M, so that they cannot be used to spell the word MAT is 93, then

K

is equal to

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Correct option: B

5

Option B (5) is correct because it satisfies the condition that the number of ways of selecting K coupons such that they cannot spell MAT is 93.

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