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missionphd
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dabral
missionphd

I am reproducing portions of my earlier replies that I gave to a question about jumping from Q50 to Q51.

I will give you my take on how to jump from Q50 to Q51. First if you are consistently scoring Q50, then that means you have all the basics and the advanced ideas in place. It is also possible that there may be some subtopics where you are not as strong as others. Clearly beefing up on those would be a good strategy.

As for the specific problem types, there are two category of questions that can hold you back from a Q51. The first ones are the medium level ones where one could misinterpret a statement and fall for a trap. These are problems that you know everything about but still trip on something small and make a mistake. These are really hard to correct, other than having extreme focus and double checking your work. This can happen to anyone on any day. I personally double check the easier problems, because I know I am more likely to miss an easier problem than a hard one. The reason is that the harder ones rely on testing an advanced concept and rely less on how the questions are phrased or need to be interpreted.

The second category of questions that mostly rely on a new idea require you to be fairly flexible in your approach. These questions often rest on testing an idea that you may not have seen before. Of course, they are not entirely new, but are significantly different than what you may have seen in practice tests. To be able to deal with these problems, I generally recommend going one step beyond GMAT, this where others may disagree with me. I will illustrate with an example. Let's say I want to push my understanding of Counting and Number Theory. I would give the following question to a student(Source American Mathematics Competition AMC 12 2003 Problem#23):

How many perfect squares are divisors of the product (1!)(2!)(3!)(4!)(5!)(6!)(7!)(8!)(9!)?

(A) 504 (B) 672 (C) 864 (D) 936 (E) 1008

This problem is beyond what you would encounter on GMAT, however it has the elements of the concepts necessary for the GMAT, and it does an excellent job of forcing you to think and come up with an approach to solve this problem. This struggle that is inherent in solving this problem is extremely valuable for those few hard problems on the GMAT that determine the difference between Q50 and Q51.

Here is the list of advanced questions organized by topic that I believe are relevant for students targeting a Q50/Q51. All of these problems use the same concepts that are required on the GMAT, I made sure to only select those that are relevant. However, some of these are fairly challenging and will require a certain level of ingenuity. I recommend that you struggle with them to gain the most.

https://www.gmatquantum.com/amc-questions

Cheers,
Dabral

This is indeed an interesting set of questions. Are the solutions available?
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I think that solving the most difficult questions complied by members of GMAT Club and making sure that you understand the thinking process behind the solution that would enable you to solve the problem in less than 2 minutes should be sufficient to get you to the Q51 level.

That said, however, attaining the 2 point increase in Verbal may be less challenging than striving for a perfect Quant score when your score is already up there.
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Hi,

Actually, most of students taking our Math Revolution course hit 49 or above. Amongst the members who achieved around 49-51, 50% of them hit 49, 35% hit 30, and 15% hit 51. In order to hit 51, you have to do very well on CMT(common mistake types) and get 4-5 questions right or 1 question wrong on this type of question. No matter how smart you are, hitting 51 depends on your condition or other circumstances, which makes it hard to achieve 51. Hence, realistically, it is better for you to aim 50 at least and try to hit 51 with extra luck.

In order to leap from 49 to 51, you should get the last 5 questions right.
If you get 3 of them right, you can hit 50 or above.
We call these hard questions CMT questions (Common Mistake Type). ​
In fact, ​these hard 4-5 CMT ​questions are given on actual GMAT. If you get 1-2 questions ​wrong, you can definitely hit 49. Or, if you get ​0​-​1​ questions wrong, you can hit 50​-51. ​So, you should​ get 3-4 right out of hardest 4-5 questions. ​These questions usually take 4-5 minutes to solve per question. This is a big pressure because you have to solve 37 questions in 75 minutes.

However, with our unique Variable approach for DS and IVY approach for PS, you can significantly save time, and will have 10 minutes to spare on exam. For instance, with our approaches, you can solve questions that normally take 4 minutes in 1 minutes and 30 seconds, and 2-minute question in 30 seconds. You can solve DS questions 100% with Variable approach and 30-40% of PS questions with IVY approach. We also would like to recommend studying and mastering DS first as DS is a quick win.

You can go to our website and check if you like our method and try Trial Pack (4 hour lesson) that reveal our secret approaches of DS+PS core theory that you have never seen.

Additionally, below are two useful articles featured in GMAT Club for your reference. This will be helpful for you. You can see what sort of questions you might encounter on actual GMAT.

· Ultimate Q51 Guide : the-ultimate-q51-guide-209801.html
· Most Updated Math Trend : overview-of-gmat-math-question-types-and-patterns-on-the-gmat-211809.html


If you're interested, come visit our website, www.mathrevolution.com

Happy Studying!

Jin
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