It is currently 17 Dec 2017, 23:24

### 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

# n is positive integer. Is n odd? 1) 3n is odd 2) n+3 is even

Author Message
Senior Manager
Joined: 08 Aug 2005
Posts: 251

Kudos [?]: 67 [0], given: 0

n is positive integer. Is n odd? 1) 3n is odd 2) n+3 is even [#permalink]

### Show Tags

06 May 2006, 02:47
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

n is positive integer. Is n odd?

1) 3n is odd
2) n+3 is even

Kudos [?]: 67 [0], given: 0

Manager
Joined: 13 Dec 2005
Posts: 224

Kudos [?]: 8 [0], given: 0

Location: Milwaukee,WI

### Show Tags

06 May 2006, 03:58
D

1 . 3 * n = odd means n is odd because only odd * odd = odd sufficient

2. n + 3 = even means n is odd because odd + odd =even sufficient

Kudos [?]: 8 [0], given: 0

SVP
Joined: 30 Mar 2006
Posts: 1728

Kudos [?]: 103 [0], given: 0

### Show Tags

25 May 2006, 23:24
D

1) O*O=odd but O*E=even when 3*n=odd hence n is odd
2) O+O=even and O+E = Odd. when 3+n=even therfore n is odd

Kudos [?]: 103 [0], given: 0

25 May 2006, 23:24
Display posts from previous: Sort by

# n is positive integer. Is n odd? 1) 3n is odd 2) n+3 is even

Moderator: chetan2u

 Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne 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®.