Q.

The number of words, with or without meaning, that can be formed using all the letters of the word ASSASSINATION so that the vowels occur together, is __________ .    [2023]


Ans.

(50400)

In the word ASSASSINATION, there are 6 vowels A A A I I O and consonants S S S S N N T.

Taking (AAAIIO) as a single unit, we get:

Number of ways to arrange ASSASSINATION such that all vowels occur together

=8!4!2!×6!3!2!=8!×6!4!(2!)23!=50,400