GMAT Question of the Day - Daily to your Mailbox; hard ones only

 It is currently 26 May 2019, 20:19

### 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

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

Author Message
Manager
Joined: 20 Jun 2013
Posts: 51
Location: India
Concentration: Economics, Finance
GMAT 1: 430 Q39 V25
GPA: 3.5
WE: Information Technology (Other)
Find the units digit of the product of first 29 odd prime numbers. A.  [#permalink]

### Show Tags

09 Sep 2017, 12:27
00:00

Difficulty:

(N/A)

Question Stats:

67% (00:15) correct 33% (00:00) wrong based on 6 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

--== Message from the GMAT Club Team ==--

THERE IS LIKELY A BETTER DISCUSSION OF THIS EXACT QUESTION.
This discussion does not meet community quality standards. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.
Current Student
Joined: 25 Jul 2011
Posts: 57
Location: India
Concentration: Strategy, Operations
GMAT 1: 740 Q49 V41
GPA: 3.5
WE: Engineering (Energy and Utilities)
Re: Find the units digit of the product of first 29 odd prime numbers. A.  [#permalink]

### Show Tags

09 Sep 2017, 12:48
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..

--== Message from the GMAT Club Team ==--

THERE IS LIKELY A BETTER DISCUSSION OF THIS EXACT QUESTION.
This discussion does not meet community quality standards. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.

_________________
Re: Find the units digit of the product of first 29 odd prime numbers. A.   [#permalink] 09 Sep 2017, 12:48
Display posts from previous: Sort by