Is x greater than y?

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sanju09: GMAT Instructor; Posts: 3650; Joined: Wed Jan 21, 2009 4:27 amFollowed by: 80 members; Location: India; Thanked: 267 times; GMAT Score:760

by sanju09 » Wed Apr 06, 2011 1:00 am

Is x greater than y?

(1) x > 2 y.

(2) x - y > 0.

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Source: Beat The GMAT — Data Sufficiency | Wed Apr 06, 2011 1:00 am

vineeshp: Legendary Member; Posts: 965; Joined: Thu Jan 28, 2010 12:52 amFollowed by: 34 members; Thanked: 156 times; GMAT Score:720

by vineeshp » Wed Apr 06, 2011 3:47 am

1) x = -1.5, y = -1
x > 2y but not x >y.
For positive values inverse can be proved.

2) Sufficient.

B

Vineesh,
Just telling you what I know and think. I am not the expert.

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