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In arrangements of all letters of (COMMITTEE), how many have all (T)'s together?

Answer and explanation

Correct answer: (10080)

Treat (TT) as one block, giving (8) objects with (M) and (E) repeated, so the count is (\frac{8!}{2!,2!}). Exam tip: form the block first, then handle repetitions.

Related tags

PermutationsWord ArrangementBlock MethodClass 11Permutations And CombinationsMathematicsClass 11 Mcq

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