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 |

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

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