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Answer

The sum of the areas of the four circles divided by the sum of their circumferences is: (Π r1^2 +Π r2^2 + Π r3^2 + Π r4^2 )/ (2Π r1 +2Π r2 +2Π r3 + 2Π r4) Π (r1^2 + r2^2 + r3^2 + r4^2 )/ 2Π ( r1 + r2 + r3 + r4) (r1^2 + r2^2 + r3^2 + r4^2 )/ 2 ( r1 + r2 + r3 + r4) You were correct in calcul...

by BestGMATEliza

Fri Jan 19, 2018 10:31 am
Forum: Problem Solving
Topic: Four concentric circles share the same center...
Replies: 1
Views: 627

I think the easiest way to solve this problem is to use the formula:
(n-2)*180=1440
1440/180=8=n-2
Therefore n=10

by BestGMATEliza

Fri Jan 19, 2018 10:05 am
Forum: Problem Solving
Topic: If the sum of the interior angles of a regular polygon...
Replies: 3
Views: 875

I agree with the previous posts. Everyone does makes mistakes, so don't try to aim for perfection otherwise you might make yourself more nervous which would cause you to make more mistakes (its a viscous cycle, I know) BUT there is a way to overcome it. The first and most important way is to practic...

by BestGMATEliza

Sat Jul 02, 2016 4:32 pm
Forum: GMAT Strategy
Topic: Getting yourself ready
Replies: 13
Views: 3379

Hey Jan, congrats on the great start! I think you are on your way to achieving your GMAT goals! Two other important steps to breaking the 700 barrier are practicing with the most difficult questions and building your mental endurance. Whatever course or books you choose, will likely have some diffic...

by BestGMATEliza

Sun Mar 15, 2015 7:24 pm
Forum: GMAT Strategy
Topic: Non-native : How to improve from 620 (Q45/V30) to 720+
Replies: 4
Views: 2876

I think you should probably have enough room to write your notes on the notepad, and its usually a good idea to switch out for a new one in the breaks even if you haven't used up that much space. In general, writing too much can be a waste of time, especially for RC. All you need to write for RC is ...

by BestGMATEliza

Sun Mar 15, 2015 7:07 pm
Forum: GMAT Strategy
Topic: GMAT Notepad Use
Replies: 6
Views: 7786

I think the paid exam pack should be the same as the free one, but as Rich said it can fluctuate and the best indicator of your score is the one taken under as close to test like situation as possible. This means you completed the AWA and IR sections and only took the allotted 8 minute breaks. Doing...

by BestGMATEliza

Sun Mar 15, 2015 6:58 pm
Forum: GMAT Strategy
Topic: GMAT Prep Scores
Replies: 4
Views: 2139

There are two essential steps to breaking the 700 barrier is to build your mental endurance and practicing with the most difficult questions. To build your mental endurance you need to practice with full length practice tests (including IR and AWA). I recommend at least 5 or until you can get throug...

by BestGMATEliza

Fri Mar 06, 2015 8:20 pm
Forum: GMAT Strategy
Topic: Retaking the GMAT (2nd time), How to improve?
Replies: 7
Views: 2736

I'd also like to follow up on what Rich said about about making the tests as realistic and test like, because this is really important. In order to make the practice tests an accurate predictor of your score and to get the most out of the practice, you need to only take only the allotted 8 minute br...

by BestGMATEliza

Fri Mar 06, 2015 8:12 pm
Forum: GMAT Strategy
Topic: Retaking the Gmat in 40 days. Any advice?
Replies: 8
Views: 2784

The other posts made really good points. Its really important to learn the concepts and I think either a course or comprehensive strategy guide set will be good resources for that. In order to improve quickly, you should be studying to specifically target your weaknesses. In order to do this, go thr...

by BestGMATEliza

Sun Feb 22, 2015 10:36 pm
Forum: GMAT Strategy
Topic: Retaking GMAT. Need 70 point rise. Pls help !
Replies: 26
Views: 7082

Rich makes great points! I think since every student has different needs and study habits its hard to determine what the best materials for them are without knowing more about your background and study needs.

by BestGMATEliza

Sun Feb 22, 2015 10:23 pm
Forum: GMAT Strategy
Topic: 5 Biggest GMAT Studying Mistakes
Replies: 3
Views: 1725

First of all a 710 is still a very good score, so congratulations! Some important steps to take to get to the 750+ range are to target your weaknesses, build your mental endurance and get practice with the most difficult questions. Go through your last few tests and look at the questions you are get...

by BestGMATEliza

Sun Feb 15, 2015 1:33 am
Forum: GMAT Strategy
Topic: Where should I focus?
Replies: 13
Views: 2681

5 Biggest GMAT Studying Mistakes

Hi guys, I am a GMAT tutor and worked with a lot of students who have had similar flaws in their studying habits, which have hurt their scores. I thought I would share them with you, so that you can avoid making the same mistakes: Mistake #1: Not taking notes There is a ton of GMAT content to learn ...

by BestGMATEliza

Mon Feb 09, 2015 10:55 pm
Forum: GMAT Strategy
Topic: 5 Biggest GMAT Studying Mistakes
Replies: 0
Views: 983

5 Biggest GMAT Studying Mistakes

Hi guys, I am a GMAT tutor and worked with a lot of students who have had similar flaws in their studying habits, which have hurt their scores. I thought I would share them with you, so that you can avoid making the same mistakes: Mistake #1: Not taking notes There is a ton of GMAT content to learn ...

by BestGMATEliza

Mon Feb 09, 2015 10:54 pm
Forum: GMAT Strategy
Topic: 5 Biggest GMAT Studying Mistakes
Replies: 3
Views: 1725

well you know you are capable of doing better, now its just a matter of achieving your goal score on test day. I am a GMAT tutor and here are some common studying mistakes that I have seen hurt peoples score. If you are making any of these it is important to correct it. Mistake #1: Not taking notes ...

by BestGMATEliza

Wed Feb 04, 2015 5:44 am
Forum: GMAT Strategy
Topic: I need help. Score:490
Replies: 13
Views: 3551

You are definitely on the right track to reaching your goal score, so good job! The last important step is to build your mental endurance. I think of it like training for a marathon for your brain. Just like people aren't able to run for 4 hours without training, people can't concentrate and answer ...

by BestGMATEliza

Wed Feb 04, 2015 5:08 am
Forum: GMAT Strategy
Topic: 2 weeks, Veritas Course Alum, OG book 13th completed, tips
Replies: 4
Views: 1783