Letters of the word DIRECTOR are arranged in such a way that all the vowels come together Find out t...........

Quantitative Aptitude ( CCS) Permutation & Combination

Letters of the word DIRECTOR are arranged in such a way that all the vowels come together. Find out the total number of ways for making such arrangements.

4320

2720

2160

1120

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Explanation:

Taping all vowels (IEO) as a single letter (since they come together ) there are six letters with two 'R' s
Hence no. of arrangement = 6!/2! x 3! = 2160