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DS: Cube

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Director
Director
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Joined: 05 Jan 2008
Posts: 709
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Kudos [?]: 82 [0], given: 0

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DS: Cube [#permalink] New post 10 May 2008, 02:34
00:00
A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
Please explain.
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Intern
Intern
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Joined: 02 Apr 2008
Posts: 37
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Kudos [?]: 10 [0], given: 0

Re: DS: Cube [#permalink] New post 10 May 2008, 04:25
Answer D

Stat1: sufficient 600 = 6*a sqrt 2 --> a=10--> V=1000. Suff.
Stat2: draw a right triangle inside the cube. realize that legs of that rigth triangle are a sqrt2 and a. AS (probably meant to be denoted as AB?) equals a sqrt 3= 10 sqr 3 --> a=10, V = 1000. Suff
Senior Manager
Senior Manager
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Joined: 02 Dec 2007
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Re: DS: Cube [#permalink] New post 11 May 2008, 10:51
D for me .

1) cube SA = 6a^2 so a = 10
2) Diag = u find hypotenuse twice. so it can be found.
Re: DS: Cube   [#permalink] 11 May 2008, 10:51
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DS: Cube

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