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.
Jul 0608:00 AM PDT
-05:00 PM PDT
Compete to win some amazing Prizes such as Admissions Consulting Packages, Courses, and more. This is your Best Opportunity to improve your GMAT Score! Register to Participate
Jul 1410:00 AM EDT
-01:00 PM EDT
Get the score you deserve! Enroll for 6 months of access to over 400 hours of GMAT video lessons AND 715+ Score Guarantee
Jul 2806:00 PM EDT
-08:00 PM EDT
Elite scores are possible when you enroll in a powerful GMAT course, taught live online + 6 months access to TTP OnDemand video courses included! Class starts Tue/Thurs July 28 2026 - Oct. 1 2026, 6:00pm-8:00pm EST
28 Feb 2023, 08:15
Kudos
Bookmarks
B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
65%
(hard)
Question Stats:
62% (01:54) correct
38%
(02:04)
wrong
based on 521
sessions
History
Date
Time
Result
Not Attempted Yet
The dial shown is divided into equal-sized segments. At which of the following segments will the arrow be pointing if it is rotated clockwise by 7785 degrees ?
A. 1
B. 2
C. 3
D. 4
E. 5
Attachment:
2023-02-26_20-08-02.png [ 16.23 KiB | Viewed 5653 times ]
28 Feb 2023, 08:34
Kudos
Bookmarks
Bunuel
7785/360 = 21 complete rounds and 225 degree
225 = 180 + 45
At 180 Degree pointer will point at 1 , further 45 degree will point towards 2 , Answer must be (B) 2
08 Mar 2023, 06:04
Kudos
Bookmarks
I think that this one was quite tricky to calculate quickly...
At any rate, here's what I did:
1.) 7,785 = 5 * 1557
2.) since (1 + 5 + 5 + 7) / 3 = integer, you know that you can divide 1,557 by 3 -> 7,785 = 3 * 5 * 519
3.) since (5 + 1 + 9) / 3 = integer, you know that you can divide 519 by 3 -> 7,785 = 3^2 * 5 * 173
4.) 173 is a prime, hence, one can stop dividing it.
5.) 360 = 2^3 * 3^2 * 5 -> 7,785 / 360 = (3^2 * 5 * 173) / (2^3 * 3^2 * 5) = 173 / 8 = 21 5/8
6.) Because the dial we are looking at contains exactly 8 segments, it follows that we just choose the segment that is five segments behind the current segment. That is 2!
I hope this helps
At any rate, here's what I did:
1.) 7,785 = 5 * 1557
2.) since (1 + 5 + 5 + 7) / 3 = integer, you know that you can divide 1,557 by 3 -> 7,785 = 3 * 5 * 519
3.) since (5 + 1 + 9) / 3 = integer, you know that you can divide 519 by 3 -> 7,785 = 3^2 * 5 * 173
4.) 173 is a prime, hence, one can stop dividing it.
5.) 360 = 2^3 * 3^2 * 5 -> 7,785 / 360 = (3^2 * 5 * 173) / (2^3 * 3^2 * 5) = 173 / 8 = 21 5/8
6.) Because the dial we are looking at contains exactly 8 segments, it follows that we just choose the segment that is five segments behind the current segment. That is 2!
I hope this helps
