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## Difficult Math Question #40 - Algebra

This topic has 2 member replies
800guy Master | Next Rank: 500 Posts
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#### Difficult Math Question #40 - Algebra

Fri Oct 27, 2006 3:12 pm
don't have an OA for this question--also, don't really understand the prompt.

If X>0.9, which of the following equals to X?

A. 0.81^1/2 B. 0.9^1/2 C. 0.9^2 D. 1-0.01^1/2

ajith Legendary Member
Joined
21 Sep 2006
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Test Date:
April 2010
Target GMAT Score:
740
Fri Oct 27, 2006 8:46 pm
800guy wrote:
don't have an OA for this question--also, don't really understand the prompt.

If X>0.9, which of the following equals to X?

A. 0.81^1/2 B. 0.9^1/2 C. 0.9^2 D. 1-0.01^1/2
A. 0.81^1/2 =0.9 is not X because X is greater than .9
B. 0.9^1/2 = This is greater than 0.9 and less than 1.0
C. 0.9^2 =0.81 Again does not satisfy the condition
D. 1-0.01^1/2= 1-0.1=0.9 is not X because X is greater than 0.9

B satisfy the condition X>0.9

Mark Dabral Guest
Fri Oct 27, 2006 5:42 pm
Hi 800guy,

Please see the attached pdf document. I have no way of uploading an image otherwise I would have displayed it directly in my post.

blueberry
Attachments

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