1) 6!-4!
2) 6!-4!3!
3) 3!4!
4) 6!-3!
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Latest MBA Aptitude Question SOLUTION: In how many ways can the letters of the word "DOUBLE" be arranged such that no two vowels are together??

1) 6!-4!
2) 6!-4!3!
3) 3!4!
4) 6!-3!