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# If x and y are positive, is 3x > 7y? (1) x > y + 4 (2)

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Manager
Joined: 06 Nov 2008
Posts: 53
If x and y are positive, is 3x > 7y? (1) x > y + 4 (2) [#permalink]

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11 Dec 2008, 15:07
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

If x and y are positive, is 3x > 7y?
(1) x > y + 4
(2) -5x < -14y

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.
SVP
Joined: 29 Aug 2007
Posts: 2453

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11 Dec 2008, 15:23
2
KUDOS
haichao wrote:
If x and y are positive, is 3x > 7y?
(1) x > y + 4
(2) -5x < -14y

(1) x > y + 4
if x = 5, y <1, then 3x > 7y
if x = 10, y = 5, then 3x < 7y.
nsf.

(2) -5x < -14y
5x > 14y
2.5x > 7y

suff. B.
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Manager
Joined: 27 May 2008
Posts: 198

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11 Dec 2008, 21:05
Agreed B

14/5 > 7/3
Re: x and y   [#permalink] 11 Dec 2008, 21:05
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# If x and y are positive, is 3x > 7y? (1) x > y + 4 (2)

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