permutation

Asked by sahare | 8th Feb, 2010, 08:23: AM

Expert Answer:

word "STRANGLE" has 8 letters

Total arrangments =8!

Vowels are: A,E =2

Arrangements in which vowels are always together = 7!.2!

Arrangements in which vowels are not together = 8!-7!.2!

Answered by  | 8th Feb, 2010, 09:12: AM

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