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DS - Number properties

Xbond: Master | Next Rank: 500 Posts; Posts: 275; Joined: Wed Jul 02, 2008 4:19 am; Thanked: 4 times

by Xbond » Mon Sep 22, 2008 4:49 am

Are X and Y both positive ?
(1) 2X- 2Y = 1
(2) (X/Y)>1

Could you explain why (1) could be sufficient ?

Source: Beat The GMAT — Data Sufficiency | Mon Sep 22, 2008 4:49 am

mals24: Legendary Member; Posts: 683; Joined: Tue Jul 22, 2008 1:58 pm; Location: Dubai; Thanked: 73 times; Followed by:2 members

by mals24 » Mon Sep 22, 2008 5:23 am

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