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!

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(#M40016287) MBA Numerical Ability question permutations and combinations, probability Keep an EYE

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!

Asked In MBA (12 years ago)

Unsolved Read Solution (2)

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Read Solution (2) :

vinay singh  (11 years ago)

6!-4!*3!
720-144
ans=576

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Spandan  (11 years ago)

Tot no of ways in which it can double can be arranged is 6!
Case( No Vowel Together)=Case( Tot ways) -Case( All vowel together)
For all vowels together, we have 3! arrangements ( 3 vowels) and these 3 can fill 4 places( 123, 234, 345, 456)
Hence, soln= 6!-4*3!
= 6!-4!

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