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# GMAT-Prep DS2

Author Message
Senior Manager
Joined: 05 Jun 2008
Posts: 304

Kudos [?]: 187 [0], given: 0

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17 Jan 2009, 04:01
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions

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Kudos [?]: 187 [0], given: 0

Manager
Joined: 08 Dec 2006
Posts: 77

Kudos [?]: 87 [1], given: 3

Location: United States
Concentration: Entrepreneurship, General Management
Schools: Harvard Business School (HBS) - Class of 2014
GPA: 3.64
WE: Engineering (Aerospace and Defense)

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17 Jan 2009, 09:03
1
KUDOS
IMO

statement 1 :

ragardless the valve of x,y and, z. both sides have +ve signs.
so if you square on both sides, we get (x^4 +x^4 + 2 x^2 y^2) > z^4

which mean we need the ralation between we need ralationship between x.y so not sufficient

statement two:

if have to square it 2 times to get power of 4 but that also bring alot of additional terms with it that we don have information about. i.e product relationships. so not sufficient

both together:

does not provide any additional information about the product relationship between xand y so not Sufficient

hence E

Kudos [?]: 87 [1], given: 3

Senior Manager
Joined: 05 Jun 2008
Posts: 304

Kudos [?]: 187 [0], given: 0

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20 Jan 2009, 04:19
Abhishek.pitti wrote:
IMO

statement 1 :

ragardless the valve of x,y and, z. both sides have +ve signs.
so if you square on both sides, we get (x^4 +x^4 + 2 x^2 y^2) > z^4

which mean we need the ralation between we need ralationship between x.y so not sufficient

statement two:

if have to square it 2 times to get power of 4 but that also bring alot of additional terms with it that we don have information about. i.e product relationships. so not sufficient

both together:

does not provide any additional information about the product relationship between xand y so not Sufficient

hence E

Can you explain picking numbers???

Kudos [?]: 187 [0], given: 0

Re: GMAT-Prep DS2   [#permalink] 20 Jan 2009, 04:19
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