Integer Problem

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gmat009: Master | Next Rank: 500 Posts; Posts: 458; Joined: Sun Aug 31, 2008 10:44 am; Thanked: 3 times; Followed by:1 members

by gmat009 » Tue Oct 07, 2008 8:24 pm

If w and c are integers, is w > 0?
(1) w + c > 50
(2) c > 48

OA is C, IMO E.
Plz. explain

Source: Beat The GMAT — Data Sufficiency | Tue Oct 07, 2008 8:24 pm

Ian Stewart: GMAT Instructor; Posts: 2623; Joined: Mon Jun 02, 2008 3:17 am; Location: Montreal; Thanked: 1090 times; Followed by:355 members; GMAT Score:780

by Ian Stewart » Wed Oct 08, 2008 9:34 am

Yes, clearly E. You could have c = 100, w = -40, for example.

You've posted a few questions recently with incorrect OAs. Where are they from?

For online GMAT math tutoring, or to buy my higher-level Quant books and problem sets, contact me at ianstewartgmat at gmail.com

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