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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



Question ID - 153657 | SaraNextGen Top Answer

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

1 Answer
127 votes
Answer Key / Explanation : (9) -

(9)

We have

Total words formed         (1)

Let ABBC= ‘

Number of ways in which ABBC can be arranged  but this includes ABBC and ABBC

But this includes ABBCABBC is counted twice in 60 hence it should be 59

Hence required number of ways

127 votes


127