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

 It is currently 07 Jul 2015, 10:52

### 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

# Events & Promotions

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

# If xyz>0, is x(y)^(2z)^3>0 1) y>0 2) x>0

 Question banks Downloads My Bookmarks Reviews Important topics
Author Message
TAGS:
VP
Joined: 29 Dec 2005
Posts: 1348
Followers: 7

Kudos [?]: 37 [0], given: 0

If xyz>0, is x(y)^(2z)^3>0 1) y>0 2) x>0 [#permalink]  27 Apr 2006, 19:21
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
If xyz>0, is x(y)^(2z)^3>0

1) y>0
2) x>0
Manager
Joined: 21 Mar 2006
Posts: 89
Followers: 1

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

[#permalink]  27 Apr 2006, 19:31
I would say B, not totally certain though.

wouldn't x(y)^(2z)^3>0 = x(y)^6z>0. Therefore y will always be positive. It is X that we are uncertain about. Since B tells us that X is positive it answers yes to the equation.
[#permalink] 27 Apr 2006, 19:31
Similar topics Replies Last post
Similar
Topics:
8 If xyz > 0, is x > 0? (1) xy > 0 (2) xz > 0 9 10 Jan 2010, 18:31
If xyz > 0, is x > 0? (1) xy > 0 (2) xz > 0 5 31 Mar 2008, 11:43
If xyz>0, is x(y^2)(z^3)>0? 1) y>0 2) x>0 1 27 Apr 2006, 19:18
If xyz>0, is (xy)^(2z)^3>0 1) y>0 2) x>0 7 27 Apr 2006, 19:17
If xyz > 0, is x > 0? (1) xy > 0 (2) xz > 0 7 17 Dec 2005, 22:49
Display posts from previous: Sort by

# If xyz>0, is x(y)^(2z)^3>0 1) y>0 2) x>0

 Question banks Downloads My Bookmarks Reviews Important topics

 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®.