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# Got this from MGMAT. It's their challenge of the week. It

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Joined: 07 Jul 2004
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Got this from MGMAT. It's their challenge of the week. It [#permalink]

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18 Jan 2006, 07:16
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

Got this from MGMAT. It's their challenge of the week. It should be breeze for most of you. The official answer is not out, but I've worked it out. So have fun, and I'll post my working soon.

If 3^k + 3^k = (3^9)^(3^9) - 3^k, then k = ?

A) 11/3
B) 11/2
c) 242
D) 3^10
E) 3^11 - 1
Senior Manager
Joined: 13 Jun 2005
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18 Jan 2006, 08:06
ywilfred this question was posted by giddi77

http://www.gmatclub.com/phpbb/viewtopic.php?t=25649
GMAT Club Legend
Joined: 07 Jul 2004
Posts: 5045
Location: Singapore
Followers: 31

Kudos [?]: 376 [0], given: 0

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19 Jan 2006, 09:48
ah !! So all of you had fun already !! Neat !
19 Jan 2006, 09:48
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