Check GMAT Club Decision Tracker for the Latest School Decision Releases https://gmatclub.com/AppTrack

 It is currently 30 May 2017, 05:52

### 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

# M25 Q10 Set T consists of a certain number of even integers

Author Message
Senior Manager
Joined: 06 Aug 2011
Posts: 399
Followers: 2

Kudos [?]: 213 [0], given: 82

Re: M25 Q10 Set T consists of a certain number of even integers [#permalink]

### Show Tags

07 Mar 2014, 06:49
jenyang5268 wrote:
Set $$T$$ consists of a certain number of even integers divisible by 3. Is standard deviation of $$T$$ positive?

1. All elements of set $$T$$ are positive
2. The range of set $$T$$ is 0

[Reveal] Spoiler: OA
B

Source: GMAT Club Tests - hardest GMAT questions

Can anyone explain this? Thanks!

I got this ans correct !

I was just thinking..even integers divisble by 3? y is it given? i think its just an extra information to confuse students?
_________________

Bole So Nehal.. Sat Siri Akal.. Waheguru ji help me to get 700+ score !

Math Expert
Joined: 02 Sep 2009
Posts: 39071
Followers: 7762

Kudos [?]: 106621 [0], given: 11630

Re: M25 Q10 Set T consists of a certain number of even integers [#permalink]

### Show Tags

07 Mar 2014, 09:03
sanjoo wrote:
jenyang5268 wrote:
Set $$T$$ consists of a certain number of even integers divisible by 3. Is standard deviation of $$T$$ positive?

1. All elements of set $$T$$ are positive
2. The range of set $$T$$ is 0

[Reveal] Spoiler: OA
B

Source: GMAT Club Tests - hardest GMAT questions

Can anyone explain this? Thanks!

I got this ans correct !

I was just thinking..even integers divisble by 3? y is it given? i think its just an extra information to confuse students?

This is one way of saying that the set consists of multiples of 6. You are right, this piece of info is not very useful.
_________________
Re: M25 Q10 Set T consists of a certain number of even integers   [#permalink] 07 Mar 2014, 09:03

Go to page   Previous    1   2   [ 22 posts ]

Similar topics Replies Last post
Similar
Topics:
3 If set S consists of positive two-digit integers (m25#32) 6 14 Jun 2012, 03:56
4 In a certain collection of books there are 30 books (m25#21) 3 20 May 2013, 18:51
1 Two sets are defined as follows (m25#17) 6 20 May 2013, 15:24
If x and y are positive integers and m25 q1 4 20 May 2013, 14:58
Number properties Q10 2 02 Jan 2010, 10:46
Display posts from previous: Sort by

# M25 Q10 Set T consists of a certain number of even integers

Moderator: Bunuel

 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®.