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

It is currently 02 Jul 2015, 22:31

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

Is 30 the factor of n? 1) 30 is a factor of n^2 2) 30 is a

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:
Senior Manager
Senior Manager
avatar
Joined: 08 Aug 2005
Posts: 251
Followers: 1

Kudos [?]: 19 [0], given: 0

Is 30 the factor of n? 1) 30 is a factor of n^2 2) 30 is a [#permalink] New post 26 Apr 2006, 02:33
Is 30 the factor of n?

1) 30 is a factor of n^2
2) 30 is a factor of 2n
Director
Director
avatar
Joined: 13 Nov 2003
Posts: 790
Location: BULGARIA
Followers: 1

Kudos [?]: 30 [0], given: 0

 [#permalink] New post 26 Apr 2006, 03:30
Hallo,
From A) if N=sqrt30 then 30 is not a factor of N. if N=30 then 30 is a factor of N and A is insuff.
From B( N acn be 15 or 30 which makes B) also insuff
from A&B together think we can conclude that 30 is a factor of N
So C)
VP
VP
User avatar
Joined: 29 Apr 2003
Posts: 1403
Followers: 2

Kudos [?]: 18 [0], given: 0

 [#permalink] New post 26 Apr 2006, 03:36
Agreed... nicely explained! I kinda almost missed the first part.. Then again it 430 am and I need to sleep...!!
Intern
Intern
avatar
Joined: 12 Mar 2006
Posts: 26
Followers: 0

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

 [#permalink] New post 27 Apr 2006, 11:08
Quote:
From A) if N=sqrt30 then 30 is not a factor of N. if N=30 then 30 is a factor of N and A is insuff.


I don't understand this, can someone explain?
Manager
Manager
avatar
Joined: 20 Nov 2004
Posts: 108
Followers: 0

Kudos [?]: 2 [0], given: 0

 [#permalink] New post 27 Apr 2006, 11:57
sanjos wrote:
Quote:
From A) if N=sqrt30 then 30 is not a factor of N. if N=30 then 30 is a factor of N and A is insuff.


I don't understand this, can someone explain?


He wanted to give zwo different examples that led to two different
solutions, showing that (1) is not sufficient.
  [#permalink] 27 Apr 2006, 11:57
    Similar topics Author Replies Last post
Similar
Topics:
If n=2^4*3*5, how many factors of n are greater than or arjtryarjtry 8 04 Sep 2008, 23:45
Both 5^2 and 3^3 are factors of n 2^5 6^2 7^3 where n is a AVakil 2 30 Dec 2007, 13:40
Both 5^2 and 3^3 are factors of n * 2^5 * 6^2 * 7^3 where n jimjohn 4 12 Nov 2007, 21:29
Is 30 a factor of n? (1) 30 is a factor of n^2 (2) 30 is a yezz 11 04 Sep 2006, 00:31
If (n)=2*4*6...n for (22)+(20) find the largest prime factor lan583 8 25 Aug 2006, 06:43
Display posts from previous: Sort by

Is 30 the factor of n? 1) 30 is a factor of n^2 2) 30 is a

  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®.