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

 It is currently 06 May 2015, 21:50

### 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 1/p > r/(r^2 + 2) 1) p = r 2) r > 0 I got A, but

Author Message
TAGS:
Director
Joined: 20 Aug 2007
Posts: 852
Location: Chicago
Schools: Chicago Booth 2011
Followers: 11

Kudos [?]: 87 [0], given: 1

is 1/p > r/(r^2 + 2) 1) p = r 2) r > 0 I got A, but [#permalink]  25 Feb 2008, 08:06
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
is 1/p > r/(r^2 + 2)

1) p = r
2) r > 0

I got A, but it's not the right answer.
CEO
Joined: 17 Nov 2007
Posts: 3578
Concentration: Entrepreneurship, Other
Schools: Chicago (Booth) - Class of 2011
GMAT 1: 750 Q50 V40
Followers: 407

Kudos [?]: 2149 [1] , given: 359

Re: DS p and r [#permalink]  25 Feb 2008, 08:13
1
KUDOS
Expert's post
C

1) p = r. for 1: 1>1/3 thrue; for -1: -1>-1/3 false. insufficient.
2) r > 0. Nothing about p. insufficient.

1&2) 1/r>r/(r^2+2)
using (r>0) : $$1>\frac{r^2}{r^2+2}$$ ==> $$1>1 -\frac{2}{r^2+2}$$ ==> $$\frac{2}{r^2+2}>0$$ true. sufficient
_________________

HOT! GMAT TOOLKIT 2 (iOS) / GMAT TOOLKIT (Android) - The OFFICIAL GMAT CLUB PREP APP, a must-have app especially if you aim at 700+ | PrepGame

Director
Joined: 20 Aug 2007
Posts: 852
Location: Chicago
Schools: Chicago Booth 2011
Followers: 11

Kudos [?]: 87 [0], given: 1

Re: DS p and r [#permalink]  25 Feb 2008, 09:55
Well done, kudos
Re: DS p and r   [#permalink] 25 Feb 2008, 09:55
Similar topics Replies Last post
Similar
Topics:
1 Is 1/p > r/(r^2 +2) 19 05 Jul 2006, 20:38
16 Is 1/p > r/(r^2 + 2)? 20 01 Nov 2009, 15:06
1 Is 1/p > r/(r^2+2) ? (1) p = r (2) r > 0 10 11 Oct 2009, 09:37
Is (1/p) > r/(r^2 + 2)? 1) p=r 2) r > 0 Thanks. I got 1 24 Jul 2009, 12:27
is 1/p > r/(r^2+2) 6 04 Aug 2007, 06:25
Display posts from previous: Sort by