Events & Promotions
|
|
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
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
Jun 0701:30 AM EDT
-02:30 AM EDT
Learn how Kamakshi achieved a GMAT 675 with an impressive 96th %ile in Data Insights. Discover the unique methods and exam strategies that helped her excel in DI along with other sections for a balanced and high score.
Jun 0612:30 AM EDT
-01:30 AM EDT
Struggling to find the right strategies to score a 99 %ile on GMAT Focus? Riya (GMAT 715) boosted her score by 100-points in just 15 days! Discover how the right mentorship, tailored strategies, and an unwavering mindset can transform your GMAT prep.
Jun 0803:00 PM PDT
-04:00 PM PDT
15 Full-length GMAT FE mocks with insightful analytics, weakness diagnosis, and video explanations!
Jun 0808:00 PM EDT
-10:00 PM EDT
Master the GMAT with expert live instruction, a personalized study plan, and real-time support. Includes 40 hours of online classes plus 6 months of access to the TTP GMAT OnDemand video course. Mon/Wed June 8, 2026 →August 12, 2026 8:00pm-10:00pm EST
Jun 1006:00 AM PDT
-06:15 PM PDT
Register for the GMAT Club Virtual MBA Spotlight Fair – the world’s premier event for serious MBA candidates. This is your chance to hear directly from Admissions Directors at nearly every Top 30 MBA program..- Jun 10
10:00 AM PDT
-11:00 AM PDT
Scoring 715 on the GMAT Focus Edition requires more than just learning formulas, memorizing concepts, or solving hundreds of questions. In this episode, Nishant shares how he improved his GMAT preparation by focusing on application of concepts, and more. 
Jun 1111:00 AM EDT
-01:00 PM EDT
TTP GMAT OnDemand gives serious students 400+ hours of expert video instruction, the full TTP course, AI support, weekly office hours, and a 715+ score guarantee—all built for elite GMAT score improvement.
14 Sep 2018, 01:54
Kudos
Bookmarks
B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
85%
(hard)
Question Stats:
44% (02:55) correct
56%
(02:36)
wrong
based on 32
sessions
History
Date
Time
Result
Not Attempted Yet
If A and B are tangent to the circle with center O as shown in the figure above, and AD has a length of 5 and AC has a length of 13, what is the radius of the circle?
A. 25/12
B. 65/12
C. \(\sqrt{34}\)
D. \(\sqrt{41}\)
E. \(\sqrt{50}\)
Attachment:
image036.jpg [ 2.86 KiB | Viewed 3399 times ]
14 Sep 2018, 02:11
Kudos
Bookmarks
Bunuel
Triangle ADC is a right angle triangle with AC = 13 and AD = 5 i.e. CD = 12
Triangles ACD and OAD are similar triangle as per the property derived in attachment
hence,
AD / CD = OA / AC
OA = Radius = (5/12)*13 = 65/12
Answer: option B
Attachments
File comment: www.GMATinsight.com
Geometry 7 Similar Triangle Latest.jpg [ 195.88 KiB | Viewed 3186 times ]
10 Feb 2022, 08:28
Kudos
Bookmarks
Hi,
definetly not easy, especially if one doesn't know about the alternate angle theorem. But applying the AAT, we can get the drawing below and the solution:
definetly not easy, especially if one doesn't know about the alternate angle theorem. But applying the AAT, we can get the drawing below and the solution:
Attachments
IMG_20220210_162619.JPG [ 3.58 MiB | Viewed 2493 times ]
