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Question

In how many different ways can the letters of the word `AUCTION` be arranged in such a ways that the vowels come together ?


Options:
A .  30
B .  48
C .  144
D .  576
E .  None of these
Answer: Option D

The word `AUCTION` has 7 different letters.

When the vowels  AUIO are always together , they can be supposed to form one letter.

Then, we have to arrange the letters CTN(AUIO)

Now , 4 letters can be arranged in  4! = 24 ways

The vowels (AUIO) can be arranged among themselves in  4! = 24 ways.

`:.`      Required number of ways = (24 x 24) = 576.



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