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

It is currently 17 Jun 2019, 22:01

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

What is the value of the positive integer n?

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:

Hide Tags

 
Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 55631
What is the value of the positive integer n?  [#permalink]

Show Tags

New post 26 Feb 2018, 03:33
00:00
A
B
C
D
E

Difficulty:

  25% (medium)

Question Stats:

74% (01:17) correct 26% (01:23) wrong based on 130 sessions

HideShow timer Statistics

Retired Moderator
User avatar
P
Joined: 07 Jan 2016
Posts: 1091
Location: India
GMAT 1: 710 Q49 V36
Reviews Badge
What is the value of the positive integer n?  [#permalink]

Show Tags

New post 26 Feb 2018, 04:07
Bunuel wrote:

GMAT CLUB'S FRESH QUESTION.



What is the value of the positive integer n?

(1) 11 is a factor of n^2.
(2) \(\sqrt{n}\) is a prime number


a) if 11 is a factor of n^2
n can be 11/21/1331

insufficient

b) \(\sqrt{n}\) is prime
there are many values of this i.e squares of all prime

insufficient

combining a and b

11 is a factor of n^2 and \(\sqrt{n}\) is prime means n is a square of prime

so n has to be 121

(C) imo
CEO
CEO
User avatar
D
Status: GMATINSIGHT Tutor
Joined: 08 Jul 2010
Posts: 2940
Location: India
GMAT: INSIGHT
Schools: Darden '21
WE: Education (Education)
Reviews Badge
Re: What is the value of the positive integer n?  [#permalink]

Show Tags

New post 26 Feb 2018, 04:26
Bunuel wrote:

GMAT CLUB'S FRESH QUESTION.



What is the value of the positive integer n?

(1) 11 is a factor of n^2.
(2) \(\sqrt{n}\) is a prime number


Question : Value of x = ?

Statement 1: 11 is a factor of n^2.

n may be 11 or 22 or 33 etc. hence
NOT SUFFICIENT

Statement 2:\(\sqrt{n}\) is a prime number

i.e. n is square if any prime number i.e. n may be 4, 9, 25, 121 etc

NOT SUFFICIENT

Combining the two statements

n is a perfect square of a prime number and also n is divisible by 11 hence

n must be the square of 11 only

SUFFICIENT

ANSWER: OPTION C
_________________
Prosper!!!
GMATinsight
Bhoopendra Singh and Dr.Sushma Jha
e-mail: info@GMATinsight.com I Call us : +91-9999687183 / 9891333772
Online One-on-One Skype based classes and Classroom Coaching in South and West Delhi
http://www.GMATinsight.com/testimonials.html

ACCESS FREE GMAT TESTS HERE:22 ONLINE FREE (FULL LENGTH) GMAT CAT (PRACTICE TESTS) LINK COLLECTION
Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 55631
Re: What is the value of the positive integer n?  [#permalink]

Show Tags

New post 24 Dec 2018, 02:45
GMAT Club Bot
Re: What is the value of the positive integer n?   [#permalink] 24 Dec 2018, 02:45
Display posts from previous: Sort by

What is the value of the positive integer n?

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


cron

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