permutation

Asked by sahare | 8th Feb, 2010, 08:13: AM

Expert Answer:

word "STRANGLE" has 8 letters

Vowels are: A,E =2

There are 8 letters so 8 places to arrange.

Hifen is denoting the odd place and  _X_X_X_X

There are 4 odd places and 2 vowels so they can be arranged in 4P2 ways.and other 6 letters can be arranged in 6 ! ways.

total 6!.4P2 ways

Answered by  | 8th Feb, 2010, 09:21: AM

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