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by mike22629 » Sun May 10, 2009 9:24 am
The numbers x and y are not integers. The value of x is closest to which integer?

1.) 4 is the integer that is closest to x + y
2.) 1 is the integer that is closest to x-y



OA E
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Source: — Data Sufficiency |
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Re: GMAT Prep

by Pranay » Mon May 11, 2009 3:26 am
mike22629 wrote:The numbers x and y are not integers. The value of x is closest to which integer?

1.) 4 is the integer that is closest to x + y
2.) 1 is the integer that is closest to x-y



OA E
Add the statements 1 and 2 to get the integer closest to x.
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by sacx » Mon May 11, 2009 5:20 am
Stmt I

3.6 < x+y < 4.4

we can have an array of different values for x and y

Stmt II

0.6 < x-y < 1.4

Again, we can have different values for x and Y

Stmt I and II

x= 2.4, y = 1.4
x + y = 3.8, x-y = 1.0

x is closest to 2

x = 2.8, y = 1.5
x+y = 4.3, x- y = 1.3

x is closest to 3

E
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by mike22629 » Mon May 11, 2009 5:23 am
Thanks for the explanation Sacx!
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