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# stocks

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Author Message
TAGS:
Manager
Joined: 05 Mar 2011
Posts: 155
Followers: 0

Kudos [?]: 6 [0], given: 3

stocks [#permalink]  15 Dec 2011, 17:58
00:00

Difficulty:

25% (low)

Question Stats:

88% (03:10) correct 13% (01:20) wrong based on 24 sessions
All of the stocks on the over-the-counter market are designated by either a 4-letter or a 5-letter code that is created by using the 26 letters of the alphabet. Which of the following gives the maximum number of different stocks that can be designated with these codes?

a. 2(26^5)
b. 26(26^4)
c. 27(26^4)
d. 26(26^5)
e. 27(26^5)
[Reveal] Spoiler: OA
Intern
Joined: 12 Oct 2011
Posts: 20
Location: United States
GMAT 1: 720 Q50 V36
Followers: 0

Kudos [?]: 17 [1] , given: 5

Re: stocks [#permalink]  15 Dec 2011, 18:10
1
KUDOS
no of different stocks for 4-letter code = 26^4
no of different stocks for 4-letter code = 26^5

total = 26^4 + 26^5 = 26^4(26+1) = 27(26^4)

[Reveal] Spoiler:
Option C
Re: stocks   [#permalink] 15 Dec 2011, 18:10
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