Free GMAT Flashcards available for download!

28-24


 
Post new topic   Reply to topic    Beat The GMAT Forum Index -> GMAT Math -> Data Sufficiency
View previous topic :: View next topic  
Author Message
magical cook
GMAT Destroyer!


Joined: 30 Jul 2006
Posts: 484

Thanks given: 6
Thanked 1 times in 1 posts
PostPosted: Thu Aug 30, 2007 9:12 am    Post subject: 28-24 Reply with quote
Hi,

I'm not too sure why statement 1 is sufficient.... (ab=1 for example, a=2, b=1/2 or a=1/2, b =2)

Can anyone help pls?

thank you!
This post contains an attachment. You must be logged in to download/view this file.
Please login or register as a user.
Back to top


View user's profile Send private message
kajcha
GMAT Destroyer!


Joined: 28 Aug 2007
Posts: 321

Thanks given: 0
Thanked 0 times in 0 posts
PostPosted: Thu Aug 30, 2007 9:55 am    Post subject: Reply with quote
Stmt 1
(axb)(ayb) => ax*b*ab*y => ax*by*ab = 2*2*1 Suff

Stmt 2
(axb)(ayb) => ab*ab*xy = > 1*1*2 Suff

ANS D
Back to top


View user's profile Send private message
Display posts from previous:   
Post new topic   Reply to topic    Beat The GMAT Forum Index -> GMAT Math -> Data Sufficiency All times are GMT - 8 Hours
Page 1 of 1

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
You cannot attach files in this forum
You cannot download files in this forum



"GMAT" and other GMAC™ trademarks are registered trademarks of the Graduate Management Admission Council™. The Graduate Management Admission Council™ does not endorse, nor is it affiliated in any way with the owner or any content on this website. The opinions expressed here are solely those of the author or those of the members of this website. Copyright © 2009 BTG Test Prep, LLC. Powered by phpBB.