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Bunuel
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Hard Killer Math. The Princeton Review Lecture. 19 Nov 2012, 10:04
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Hard Killer Math

a Video Lecture byThe Princeton Review A part of the 1,000,000 posts celebration

[youtube]https://www.youtube.com/watch?v=VRXr_3QF1ts[/youtube]

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Marcab
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Hard Killer Math. The Princeton Review Lecture. 19 Nov 2012, 10:09
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Hii Bunuel.
Will this lecture be available on GMATCLUB as a youtube link?
I think I won't be able to attend it.
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Bunuel
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Hard Killer Math. The Princeton Review Lecture. 19 Nov 2012, 10:12
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Marcab
Hii Bunuel.
Will this lecture be available on GMATCLUB as a youtube link?
I think I won't be able to attend it.
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Yes. Check this topic tomorrow for the direct link.
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Hard Killer Math. The Princeton Review Lecture. 20 Nov 2012, 02:56
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Good video very well explained... I think either this video or the veritas prep's critical reasoning video will win the best tutor contest.
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Hard Killer Math. The Princeton Review Lecture. 20 Nov 2012, 07:44
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The Princeton Review video is now available in the first post: hard-killer-math-the-princeton-review-lecture-142709.html#p1145373
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Hard Killer Math. The Princeton Review Lecture. 20 Nov 2012, 07:53
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Best questions & answers from comments



GMAT Club
One question from the peanut gallery - what is the best ROI in terms of investing time into concepts if you are at Q45 level? What hard questions are most likely to show up/appear on the GMAT and What concepts are a must as opposed to perhaps something one could take it easier on?
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Becky Robinson
For the best ROI make sure you are well grounded in the basics. At the harder level you will also want to be well versed in probability, permutations and factoring.
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Trang Phan
I find that with long factorization, errors can abound. Is there a quicker way to solve that particular DS problem in the video without factorization?
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Becky Robinson
There are always multiple ways to do problems but the GMAT focuses on factoring errors many times so becoming good and consistent at factoring is your best bet to getting the most questions correct.
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Trang Phan
what do you recommend for someone who only has two weeks to retake an exam?
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Becky Robinson
For two weeks to take the exam in the math section, I recommend you go through the list of tested topics and make sure you know how to identify questions of that type and develop a consistent approach to each type. HIring a private tutor will make this process more efficient but, especially with just two weeks make sure the tutor focuses on whole concepts instead of individual problesm.

In addition, hard math questions tend to combine multiple concepts so it is difficult to name a topic that will be "hard" which is why it is so important to know the basics of all the topics and therefore will be able to combine them when necessary.
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For more check: https://www.facebook.com/photo.php?fbid= ... nt_count=1
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Hard Killer Math. The Princeton Review Lecture. 21 Nov 2012, 06:52
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the video link does not work at my-end. is there any youtube or vemio link available for this lecture???
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nelz007
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Hard Killer Math. The Princeton Review Lecture. 21 Nov 2012, 07:01
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alchemist009
the video link does not work at my-end. is there any youtube or vemio link available for this lecture???
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Here's the link

https://www.youtube.com/watch?v=VRXr_3QF1ts

if my post helped click +1kudos
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Hard Killer Math. The Princeton Review Lecture. 19 Jun 2013, 10:13
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Hi

The statistical difference problem at 23:00 seems to have the wrong answer.

Expressed in terms of J, the increase should be:

(original - difference / original ) ( 100)

The only reason answer D works out is because original = 100 - J with the plugged in numbers provided by the Princeton Review explainer.

More generally, a formula for the answer needs to rely upon a reference point expressed without J.
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Bunuel
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Hard Killer Math. The Princeton Review Lecture. 18 Jul 2013, 00:11
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Bumped for review.

From GMAT Club's 10 Years & 1,000,000 Posts Milestone Celebration: 15 GMAT and MBA lectures jointly designed with our partners
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