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Quick tip: If a question consists solely of numbers and operations, it might be testing your Algebra skills: 20 - Hidden Algebra.png 7 related practice questions Source | GMAT Club Rating | question...
By Brent Hanneson - November 15, 2022 In a recent article, I noted that the GMAT doesn’t require students to know the permutation formula. I also stated that, if you understand how/why the permutation formula works, then you’ll understand...
By Brent Hanneson - May 12, 2022 In my last article, I recommended that students avoid memorizing a lot of non-essential (i.e., non-core) formulas for several reasons:   Many provide no value at all.  Many are too specific and don’t...
Each year, the GMAT test-makers publish the GMAT Official Guide (the OG), which includes all of the properties, formulas, and techniques tested on the GMAT. We'll call these the core tools.  In the OG2022, these core tools are summarized...
If you don't understand what the GMAT is really testing, you'll struggle to maximize your score, and your prep time will lengthen, and then you’ll get grumpy, and no one wants that.  Read these articles, and you’ll be fine (or at least you...
Note: This is article #4 in the multi-article series Are you doing it wrong? In articles 1, 2, and 3, we examined questions where GMAT-specific strategies are more efficient than conventional (i.e., high school math) strategies. In this...
Note: This is article #3 in the multi-article series Are you doing it wrong? In my previous article, we examined the strategy of testing the answer choices, which is just one of the ways to exploit the fact that the correct response to...
Note: This is article #2 in the multi-article series Are you doing it wrong? By Brent Hanneson - April 25, 2022 In my last article, I explained that, in order to maximize your quant score, you must be adept at applying both conventional (i...
I included the above story because GMAT students often struggle to solve certain math questions while surrounded by metaphorical pine trees. In fact, . . .  Students often get GMAT math questions wrong NOT because they lack the skills to...
By Brent Hanneson - April 21, 2022 On the various GMAT forums, you’ll find posts advising students to practice with official GMAT questions only.  I thought I’d weigh in on this.  First off, I totally agree with that advice when it comes...

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