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

 It is currently 26 Mar 2015, 18:15

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

Is z + z < z I ) -4z < 4z 2 ) z^3 < z^2

Author Message
TAGS:
Director
Joined: 07 Jun 2004
Posts: 617
Location: PA
Followers: 3

Kudos [?]: 259 [0], given: 22

Is z + z < z I ) -4z < 4z 2 ) z^3 < z^2 [#permalink]  17 Jan 2005, 19:11
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
Is z + z < z

I ) -4z < 4z

2 ) z^3 < z^2
VP
Joined: 18 Nov 2004
Posts: 1442
Followers: 2

Kudos [?]: 20 [0], given: 0

"A" it is.

Is z<0 ?

State 1 : -z < z = 2z > 0 ...so z > 0...suff

State 2: z3 < z2 ===> z < 1...insuff
Director
Joined: 31 Aug 2004
Posts: 606
Followers: 3

Kudos [?]: 40 [0], given: 0

120% agree with the above answer...
The stem can be summarized in "is z<0" then statement 2 does not bring anything since z could be lower than 1

Similar topics Replies Last post
Similar
Topics:
Is 4z > -6 ? (1) z < 7 (2) z > -1 1 20 Mar 2012, 09:42
4 For positive integer Z, is the expression (Z + 2)(Z^2 + 4Z + 5 10 Oct 2009, 21:25
Is z + z < z? 1. -4z > 4z 2. z^3 < z^2 4 25 Nov 2007, 01:27
Is z+z<z? 1) -4z>4z 2) z^3<z^2 5 18 Oct 2006, 12:26
is 1+z +z^2+z^3+z^4> 1/(1-z)? I) z>0 II) Z<1 9 20 Feb 2006, 17:39
Display posts from previous: Sort by