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GmatPrepTest2-Question4

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Manager
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Joined: 24 Sep 2008
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Schools: Columbia Business School, NYU
GmatPrepTest2-Question4 [#permalink]

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New post 22 Feb 2009, 15:53
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

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A New Yorker's MBA Journey Yo!
http://xlick.blogspot.com/

Kudos [?]: 9 [0], given: 1

Senior Manager
Senior Manager
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Joined: 08 Jan 2009
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Re: GmatPrepTest2-Question4 [#permalink]

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New post 22 Feb 2009, 22:21
given:
500 = 100 * K --> close to X ( X >500 or X<500)
400 = 100 * K --> close to Y (Y<400 or Y>400)

stmt 1 :
X < 500
X = 450 and Y= 410 X+Y = 900
X = 450 and Y= 350 X+Y = 800
Insufficient

stmt 2:
Y< 400. Same way without knowing the value of X we cant conclude.
Insufficient.

Combining
X<500 and Y<400
still X=490 and Y=390 close x+y = 880 close to 900
x=450 and y = 350 x+y =800

Ans: E

Please let me know if i approach is right.

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Manager
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Kudos [?]: 9 [0], given: 1

Schools: Columbia Business School, NYU
Re: GmatPrepTest2-Question4 [#permalink]

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New post 23 Feb 2009, 06:57
OA is E. I was confused over whether I should round up or down for x and y.
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A New Yorker's MBA Journey Yo!
http://xlick.blogspot.com/

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Re: GmatPrepTest2-Question4   [#permalink] 23 Feb 2009, 06:57
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