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

It is currently 23 Jul 2014, 04:53

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 'a' is a positive integer and if the units digit of a^2

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:
CEO
CEO
avatar
Joined: 15 Aug 2003
Posts: 3470
Followers: 59

Kudos [?]: 657 [0], given: 781

If 'a' is a positive integer and if the units digit of a^2 [#permalink] New post 12 Sep 2003, 22:30
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

100% (02:41) correct 0% (00:00) wrong based on 3 sessions
If 'a' is a positive integer and if the units digit of a^2 is 9 and the units digit of (a+1)^2 is 4 , what is the units digit of (a+2)^2 ?

A. 1
B. 3
C. 5
D. 7
E. 9

For Quant problems, some of us just provide the answer...The new members cant help but feel lost and left behind.

please make an effort to explain ...it could be just a few lines. :)

Thanks
Praetorian
Senior Manager
Senior Manager
User avatar
Joined: 22 May 2003
Posts: 334
Location: Uruguay
Followers: 1

Kudos [?]: 6 [0], given: 0

GMAT Tests User
 [#permalink] New post 13 Sep 2003, 18:52
I also got A. By punching in numers:

...7^2=...9
...8^2=...4
...9^2=...1
  [#permalink] 13 Sep 2003, 18:52
    Similar topics Author Replies Last post
Similar
Topics:
5 Experts publish their posts in the topic If a is a positive integer, and if the units digit of a^2 is ChenggongMAS 14 10 Feb 2011, 14:56
5 Experts publish their posts in the topic The three digit positive integer N = a2b is both a multiple gmattokyo 9 01 Nov 2009, 03:11
If a is a positive integer, and if the units digit of a^2 is pmenon 2 18 Nov 2007, 10:22
If a is a positive integer, and if units digit of a^2 is 9 shehreenquayyum 9 02 Jul 2006, 11:47
If the units digit of the three-digit positive integer k is Antmavel 3 16 Oct 2004, 23:06
Display posts from previous: Sort by

If 'a' is a positive integer and if the units digit of a^2

  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®.