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Director
Director
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Joined: 10 Feb 2006
Posts: 664
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Kudos [?]: 178 [0], given: 0

Here's a DS attachment [#permalink] New post 22 Jun 2007, 05:41
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
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VP
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Joined: 08 Jun 2005
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 [#permalink] New post 22 Jun 2007, 06:18
If (X+Y) is negative we have to flip signs (i.e <) !!!

(X-Y) < 1*(X+Y)

but if (X+Y) is positive then:

X-Y > 1(X+Y)

using statements 1&2 will not help you find out if you have to flip the signs (i.e X+Y is greater or smaller then zero) hence the answer is (E)

:-D
Manager
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 [#permalink] New post 22 Jun 2007, 06:36
This has already been answered.
http://www.gmatclub.com/phpbb/viewtopic.php?t=47277

Try to do a search to avoid duplicate postings.

Hope it helps!
  [#permalink] 22 Jun 2007, 06:36
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