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How many different strings of letters can be made by reorder
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08 May 2019, 10:08
08 May 2019, 10:08
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Expert Reply
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Question Stats:
89% (00:56) correct
10% (02:21) wrong based on 28 sessions
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How many different strings of letters can be made by reordering the letters of the word SUCCESS?
(A) 20
(B) 30
(C) 40
(D) 60
(E) 420
(A) 20
(B) 30
(C) 40
(D) 60
(E) 420
Re: How many different strings of letters can be made by reorder
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23 Aug 2019, 06:39
23 Aug 2019, 06:39
Carcass wrote:
How many different strings of letters can be made by reordering the letters of the word SUCCESS?
(A) 20
(B) 30
(C) 40
(D) 60
(E) 420
(A) 20
(B) 30
(C) 40
(D) 60
(E) 420
We've got 7! combinations if they were all unique. But since we have 2 Cs and 3Ss, we've got 2!3! that we need to divide out.
7!/(3!2!) = 420
Re: How many different strings of letters can be made by reorder
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24 Aug 2019, 14:14
24 Aug 2019, 14:14
Expert Reply
Perfect .
