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d/s variables 2

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Manager
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Joined: 04 Feb 2011
Posts: 64
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Kudos [?]: 37 [0], given: 42

d/s variables 2 [#permalink] New post 08 Mar 2011, 22:56
00:00
A
B
C
D
E

Difficulty:

  45% (medium)

Question Stats:

10% (01:22) correct 90% (00:15) wrong based on 10 sessions
Is x < y?
(1) z < y
(2) z < x
[Reveal] Spoiler: OA
Director
Director
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Status: Matriculating
Affiliations: Chicago Booth Class of 2015
Joined: 03 Feb 2011
Posts: 925
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Kudos [?]: 245 [0], given: 123

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Re: d/s variables 2 [#permalink] New post 09 Mar 2011, 03:49
I think its E. There is no useful relationship between x and y that can be setup with z.

Lolaergasheva wrote:
Is x < y?
(1) z < y
(2) z < x
Expert Post
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Joined: 02 Sep 2009
Posts: 29170
Followers: 4734

Kudos [?]: 49932 [0], given: 7511

Re: d/s variables 2 [#permalink] New post 09 Mar 2011, 03:53
Expert's post
Manager
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Joined: 10 Feb 2011
Posts: 115
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Kudos [?]: 96 [0], given: 10

Is x < y? [#permalink] New post 15 Mar 2011, 08:31
Is x < y?
(1) z < y
(2) z < x
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Kudos [?]: 1211 [0], given: 376

Re: Is x < y? [#permalink] New post 15 Mar 2011, 08:37
banksy wrote:
Is x < y?
(1) z < y
(2) z < x


Combining both;

z=0; x=1; y=2
Z is less than x and y
x<y
OR
z=0; x=2; y=1
Z is less than x and y
x>y
OR
z=0; x=2; y=2
Z is less than x and y
x=y

NS.

Ans: "E"
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Re: Is x < y?   [#permalink] 15 Mar 2011, 08:37
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