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COMBINATORIC QUESTION

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COMBINATORIC QUESTION [#permalink]

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New post 07 Nov 2017, 03:13
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Find the number of ways the letters of the word MISSOURI can be arranged so that all vowels are never together.

Bunuel please help in this one! Not sure if the solution is:

(A) 8!/(2!*2!) - 5!*4!
(B) 8!/(2!*2!) - 5!*3!

Thanks!

Kudos [?]: 0 [0], given: 4

Intern
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Joined: 07 May 2017
Posts: 35

Kudos [?]: 9 [0], given: 127

Location: Indonesia
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Re: COMBINATORIC QUESTION [#permalink]

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New post 07 Nov 2017, 03:17
I'm also have a weakness in combinatorics. Mainly because I don't have a solid understanding. Waiting for the experts to share some light.

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Re: COMBINATORIC QUESTION [#permalink]

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New post 17 Nov 2017, 08:47
rperaalv wrote:
Find the number of ways the letters of the word MISSOURI can be arranged so that all vowels are never together.

Bunuel please help in this one! Not sure if the solution is:

(A) 8!/(2!*2!) - 5!*4!
(B) 8!/(2!*2!) - 5!*3!

Thanks!


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Kudos [?]: 132703 [0], given: 12335

Re: COMBINATORIC QUESTION   [#permalink] 17 Nov 2017, 08:47
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