Check GMAT Club Decision Tracker for the Latest School Decision Releases https://gmatclub.com/AppTrack

 It is currently 27 May 2017, 10:13

### 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

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

# Events & Promotions

###### Events & Promotions in June
Open Detailed Calendar

# m04 #24

Author Message
Intern
Joined: 22 Sep 2008
Posts: 11
Followers: 0

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

### Show Tags

09 Oct 2008, 18:18
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

Is x=0?

1. xy=x

2. x+y=y

Please explain why statement 1 is insufficient.
_________________

It's not the IMO, it's the OA!!

Director
Joined: 12 Jul 2008
Posts: 518
Schools: Wharton
Followers: 22

Kudos [?]: 155 [0], given: 0

### Show Tags

09 Oct 2008, 19:48
gmat4life wrote:
Is x=0?

1. xy=x

2. x+y=y

Please explain why statement 1 is insufficient.

when y = 1, x can be any number.
SVP
Joined: 05 Jul 2006
Posts: 1747
Followers: 6

Kudos [?]: 358 [0], given: 49

### Show Tags

10 Oct 2008, 04:52
gmat4life wrote:
Is x=0?

1. xy=x

2. x+y=y

Please explain why statement 1 is insufficient.

from 1

x(y-1) = 0

thus either x = 0 or y =1........insuff

from 2

x = y-y = 0.......suff

B
Re: m04 #24   [#permalink] 10 Oct 2008, 04:52
Display posts from previous: Sort by

# m04 #24

 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®.