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

It is currently 21 May 2019, 21:58

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 measure of the angle z in the circle with center O?

  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: 55231
What is the measure of the angle z in the circle with center O?  [#permalink]

Show Tags

New post 13 Sep 2018, 05:02
00:00
A
B
C
D
E

Difficulty:

  45% (medium)

Question Stats:

52% (01:45) correct 48% (01:05) wrong based on 30 sessions

HideShow timer Statistics

Intern
Intern
User avatar
B
Joined: 07 Jun 2018
Posts: 20
Location: India
Concentration: Marketing, International Business
GPA: 3.9
WE: Marketing (Insurance)
GMAT ToolKit User
Re: What is the measure of the angle z in the circle with center O?  [#permalink]

Show Tags

New post 13 Sep 2018, 05:19
Bunuel wrote:
Image
What is the measure of the angle z in the circle with center O?

(1) y = 30
(2) x = 10


Attachment:
The attachment image008 (1).jpg is no longer available

Attachment:
IMG_20180913_174102270.jpg
IMG_20180913_174102270.jpg [ 47.33 KiB | Viewed 354 times ]

The figure above gives two equation.
z = 360-2(x+a)-2(y+b) = 2*[180-(a+b)]-2(x+y), and z = 180-(a+b)
So, z = 2z - 2(x+y)
=> z = 2 (x+y)
So, x is dependednt on both x & y. Hence, C.
_________________

Give a Kudo, If I deserve it.



Target 750+
  • 17th June 2018 - Diagnostic Test - Kaplan Premier 2015 - 570
  • 10th Aug 2018 - Veritas 1 - 650 (Q51,V29)
  • 17th Aug 2018 - Veritas 2 - 670 (Q49,V33)
  • 24th Aug 2018 - Veritas 3 - 650 (Q49,V30)
  • 1st Sep 2018 - Veritas 4 - 680 (Q51,V33)
  • 12th Aug 2018 - Veritas 5 - 690 (Q51,V34)
  • 30th Sep 2018 - GMAT Official Prep - 640 (Q50,V26)

What do you think? Will I achieve my target score?
GMAT Club Bot
Re: What is the measure of the angle z in the circle with center O?   [#permalink] 13 Sep 2018, 05:19
Display posts from previous: Sort by

What is the measure of the angle z in the circle with center O?

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


Copyright

GMAT Club MBA Forum Home| About| Terms and Conditions and Privacy Policy| 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®.