Find all School-related info fast with the new School-Specific MBA Forum

It is currently 16 Sep 2014, 17:59

Close

GMAT Club Daily Prep

Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track
Your Progress

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

Are x and y both positive? 1. 2x -2y = 1 2. x/y > 1

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:
Director
Director
User avatar
Joined: 04 Jan 2006
Posts: 926
Followers: 1

Kudos [?]: 12 [0], given: 0

GMAT Tests User
Are x and y both positive? 1. 2x -2y = 1 2. x/y > 1 [#permalink] New post 16 Apr 2006, 09:30
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

50% (00:00) correct 50% (00:05) wrong based on 3 sessions
Are x and y both positive?

1. 2x -2y = 1
2. x/y > 1

Please explain. Can any one give a strategy on how to solve this?
1 KUDOS received
Intern
Intern
avatar
Joined: 15 Apr 2006
Posts: 23
Followers: 0

Kudos [?]: 2 [1] , given: 0

 [#permalink] New post 16 Apr 2006, 09:42
1
This post received
KUDOS
1 or 2 alone certainly is insufficient

Now 1 and 2 together:

(1) -> x-y= 1/2 -> x>y -> x-y>0
(2) <=> x/y-1>0 -> (x-y)/y > 0
because x-y >0 -> y> 0, x>y -> x>0

so 1 and 2 together are sufficient

Answer: C
Director
Director
User avatar
Joined: 04 Jan 2006
Posts: 926
Followers: 1

Kudos [?]: 12 [0], given: 0

GMAT Tests User
 [#permalink] New post 16 Apr 2006, 09:54
bqminh1983.. you a genious..

some how I am not sure when I should substitute vs plug in numbers.. What is your take on it?
  [#permalink] 16 Apr 2006, 09:54
    Similar topics Author Replies Last post
Similar
Topics:
1 Are x and y both positive? (1) 2x - 2y = 1 (2) x/y > 1 japped187 8 14 May 2008, 16:30
Are x and y both positive? 1) 2x - 2y = 1 2) x/y > 1 OA jimmyjamesdonkey 3 23 Sep 2007, 09:48
Are x and y both positive? 1) 2x - 2y =1 2) x/y > 1 FP Finding Perdition 8 13 Aug 2007, 01:39
Are x and y both positive? (1) 2x - 2y = 1 (2) x/y > 1 Summer3 10 24 Mar 2007, 19:33
Are x and y both positive? 1. 2x-2y = 1 2. x/y >1 ps_dahiya 9 30 Jul 2006, 20:03
Display posts from previous: Sort by

Are x and y both positive? 1. 2x -2y = 1 2. x/y > 1

  Question banks Downloads My Bookmarks Reviews Important topics  


GMAT Club MBA Forum Home| About| Privacy Policy| Terms and Conditions| GMAT Club Rules| Contact| Sitemap

Powered by phpBB © phpBB Group and phpBB SEO

Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.