Is W greater

This topic has expert replies
User avatar
GMAT Instructor
Posts: 3650
Joined: Wed Jan 21, 2009 4:27 am
Location: India
Thanked: 267 times
Followed by:80 members
GMAT Score:760

Is W greater

by sanju09 » Fri Apr 10, 2009 6:12 am
Is W greater than 1?

(1) W + 2 > 0.

(2) W^2 > 1.


OA E
The mind is everything. What you think you become. -Lord Buddha



Sanjeev K Saxena
Quantitative Instructor
The Princeton Review - Manya Abroad
Lucknow-226001

www.manyagroup.com

Junior | Next Rank: 30 Posts
Posts: 17
Joined: Sat Dec 13, 2008 9:00 am

by lolo » Fri Apr 10, 2009 9:10 am
E is the correct answer.

(1) is insuffucient because we get W>-2
(2) is also insufficient because we cannot guess whether W is positive or negative.