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# If 2x > 3y, is x negative? (1) y > 0 (2) 2x + 5y 20 =

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Manager
Joined: 03 Oct 2008
Posts: 61
If 2x > 3y, is x negative? (1) y > 0 (2) 2x + 5y 20 = [#permalink]

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09 Oct 2008, 05:57
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If –2x > 3y, is x negative?
(1) y > 0
(2) 2x + 5y – 20 = 0

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D. EACH statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient.
Manager
Joined: 22 Sep 2008
Posts: 119

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09 Oct 2008, 06:05
1
KUDOS
IMO A:

do not know how to factorize B:... but guts are saying Y can have + and - both values so X can have and thus its insufficient.
Retired Moderator
Joined: 05 Jul 2006
Posts: 1741

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09 Oct 2008, 06:53
[quote="albany09"]If –2x > 3y, is x negative?
(1) y > 0
(2) 2x + 5y – 20 = 0

REPHRASE

2X<-3Y

OF Y IS -VE THUS -3Y IS POSITIVE .....X CAN BE -VE OR +VE........INSUFF

FROM 2

2x = 20-5y........insuff
both

x is surely +ve

C
VP
Joined: 17 Jun 2008
Posts: 1329

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09 Oct 2008, 07:43
albany09 wrote:
If –2x > 3y, is x negative?
(1) y > 0
(2) 2x + 5y – 20 = 0

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D. EACH statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient.

IMO D

1) y>0 this is sufficient ,since this directly proves x <0

2) solve the two equations !!! we get x<-15 hence x is <0
SUFFI
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Its Now Or Never

Re: math--x and y   [#permalink] 09 Oct 2008, 07:43
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# If 2x > 3y, is x negative? (1) y > 0 (2) 2x + 5y 20 =

Moderator: chetan2u

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