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JEE Main Mathematics question

MathematicsPermutations and CombinationsJEE Main

Number of ways in which the letters of the word 'ABBCABBC can be arranged such that the word ABBC does not appear is any word, is then the value of is

Answer: 9

Solution

The word has , , , so all arrangements number . Arrangements containing the block ABBC: treat it as one object among and the block: ; the single arrangement ABBCABBC has the

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Question ID VK-020719