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

It is currently 28 Aug 2015, 05:38
GMAT Club Tests

Close

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

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

If d>0 and 0< 1-c/d <1, which of the following

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
Retired Moderator
User avatar
Joined: 18 Jul 2008
Posts: 994
Followers: 10

Kudos [?]: 120 [0], given: 5

If d>0 and 0< 1-c/d <1, which of the following [#permalink] New post 22 Oct 2008, 20:14
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

If d>0 and 0< 1-c/d <1, which of the following condition must be true?

1) c>0
2) c/d<1
3) c^2+d^2>1

The OA is telling me something different that what I'm getting.
Manager
Manager
avatar
Joined: 09 Oct 2008
Posts: 93
Followers: 1

Kudos [?]: 12 [0], given: 0

Re: This one is easy right? [#permalink] New post 22 Oct 2008, 20:42
1 and 2 are correct

c:=0.3 and d =0.4 dn c^2 +d^2 <1
Intern
Intern
avatar
Joined: 03 Mar 2008
Posts: 47
Followers: 1

Kudos [?]: 5 [0], given: 0

Re: This one is easy right? [#permalink] New post 22 Oct 2008, 21:05
I and II are correct
What is the OA ?
SVP
SVP
avatar
Joined: 17 Jun 2008
Posts: 1570
Followers: 12

Kudos [?]: 210 [0], given: 0

Re: This one is easy right? [#permalink] New post 22 Oct 2008, 22:40
Agree with I and II.

0 < 1-c/d < 1
or, 0 > c/d-1 > -1
or, 1 > c/d > 0

and, since d > 0, hence, c > 0.
Also, 1 > c/d.

Now, take two examples,
c = 3, d = 4 and hence c^2 + d^2 > 1
But, if c = 1/3 and d = 1/2 then c^2 + d^2 < 1.
VP
VP
User avatar
Joined: 30 Jun 2008
Posts: 1047
Followers: 12

Kudos [?]: 388 [0], given: 1

Re: This one is easy right? [#permalink] New post 23 Oct 2008, 03:48
I agree with 1 and 2.

I assumed it is 1-(c/d) and not (1-c)/d
_________________

"You have to find it. No one else can find it for you." - Bjorn Borg

Retired Moderator
User avatar
Joined: 18 Jul 2008
Posts: 994
Followers: 10

Kudos [?]: 120 [0], given: 5

Re: This one is easy right? [#permalink] New post 23 Oct 2008, 05:39
OA is 1) and 2)

I thought 3) was valid as well, but then didn't try decimals.

Thanks gang.
Re: This one is easy right?   [#permalink] 23 Oct 2008, 05:39
Display posts from previous: Sort by

If d>0 and 0< 1-c/d <1, which of the following

  Question banks Downloads My Bookmarks Reviews Important topics  


GMAT Club MBA Forum Home| About| Privacy Policy| Terms and Conditions| GMAT Club Rules| Contact| Sitemap

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®.