It is currently 23 Jun 2017, 14:20

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

If X-Y > 10 is X-Y>X+Y 1) X = 8 2) Y = -20 All the

Author Message
Senior Manager
Joined: 01 Feb 2005
Posts: 271
If X-Y > 10 is X-Y>X+Y 1) X = 8 2) Y = -20 All the [#permalink]

Show Tags

02 Jun 2006, 09:40
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

If X-Y > 10 is X-Y>X+Y

1) X = 8

2) Y = -20

All the usual options in Data Sufficiency. Please explain.
Director
Joined: 10 Oct 2005
Posts: 526
Location: US

Show Tags

02 Jun 2006, 10:24
I will go with D...

If x - y > 10...and x = 8

then 8 - y > 10...so y < -2 so x - y > x + y...suffi.

If x - y > 10 ... and y = -20

then x - (-20) > 10...so x > -10 so x - y > x + y...suffi.
Manager
Joined: 10 May 2006
Posts: 186
Location: USA

Show Tags

02 Jun 2006, 10:48
Agree with mahesh004, D.

Same explanation
VP
Joined: 29 Dec 2005
Posts: 1341
Re: Data Sufficiency - GMATPREP Question [#permalink]

Show Tags

02 Jun 2006, 11:23
axl_oz wrote:
If X-Y > 10 is X-Y>X+Y

1) X = 8
2) Y = -20

X-Y>X+Y
X-X>Y+Y
0 >2Y

from i, x = 8
8-Y > 10
8-10 > y
-2>y. so suff.

from ii, y = -20. 2(-20) is <0. suff...

D
Re: Data Sufficiency - GMATPREP Question   [#permalink] 02 Jun 2006, 11:23
Display posts from previous: Sort by