It is currently 17 Dec 2017, 19:27

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.

Close

Request Expert Reply

Confirm Cancel

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

Find the units digit of the product of first 29 odd prime numbers. A.

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
Manager
Manager
avatar
S
Joined: 20 Jun 2013
Posts: 50

Kudos [?]: 9 [0], given: 20

Location: India
Concentration: Economics, Finance
GMAT 1: 430 Q39 V25
GPA: 3.5
WE: Information Technology (Other)
GMAT ToolKit User
Find the units digit of the product of first 29 odd prime numbers. A. [#permalink]

Show Tags

New post 09 Sep 2017, 11:27
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

80% (00:15) correct 20% (00:00) wrong based on 5 sessions

HideShow timer Statistics

Find the units digit of the product of first 29 odd prime numbers.
A. 7
B. 3
C. 5
D. 9
E. None of the above
[Reveal] Spoiler: OA

Kudos [?]: 9 [0], given: 20

Intern
Intern
User avatar
S
Joined: 25 Jul 2011
Posts: 44

Kudos [?]: 6 [0], given: 1058

Location: India
Concentration: Strategy, Operations
GMAT 1: 740 Q49 V41
GPA: 3.5
WE: Engineering (Energy and Utilities)
CAT Tests
Re: Find the units digit of the product of first 29 odd prime numbers. A. [#permalink]

Show Tags

New post 09 Sep 2017, 11:48
vishwash wrote:
Find the units digit of the product of first 29 odd prime numbers.
A. 7
B. 3
C. 5
D. 9
E. None of the above



Since first 29 odd prime nos are 3,5,7,11...and so on...
5 will always be there at the unit digit since any odd no. multiplied by 5 would result in 5 as unit digit.
Easy one..
_________________

Please hit kudos button below if you found my post helpful..TIA

Kudos [?]: 6 [0], given: 1058

Re: Find the units digit of the product of first 29 odd prime numbers. A.   [#permalink] 09 Sep 2017, 11:48
Display posts from previous: Sort by

Find the units digit of the product of first 29 odd prime numbers. A.

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  


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

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®.