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Difficult Math Question #40 - Algebra

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800guy Master | Next Rank: 500 Posts Default Avatar
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Difficult Math Question #40 - Algebra

Post Fri Oct 27, 2006 3:12 pm
Elapsed Time: 00:00
  • Lap #[LAPCOUNT] ([LAPTIME])
    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

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    Post 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

    This post contains an attachment. You must be logged in to download/view this file. Please login or register as a user.

    ajith Legendary Member
    Joined
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    Test Date:
    April 2010
    Target GMAT Score:
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    Post 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

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