GMAT Blog

October 15, 2021 Can you quickly identify a pair of positive integers (x and y) that have a least common multiple of 32? Since many Integer Properties questions can be solved by testing values that satisfy the given conditions, be sure to...
Brent Hanneson - October 8, 2021 To set up this article try solving the following question: Target question: Is x2 + 6x + 5 ≤ -4? Statement 1: x < 10 Statement 2: x > -3 After reading the target question and statement 1, did you...
Brent Hanneson - September 19, 2021 To set things up, try answering the question above.  Answer and solution I like giving this question to my students because it often reveals a common misunderstanding regarding “MUST be true” questions...
The key to performing well on the GMAT is recognizing that simply knowing all the rules and properties is just one small step in your preparation. The bigger, more important, step is understanding and anticipating the many different ways...
Beneath most video lessons, you’ll find a Reinforcement Activities box featuring linked practice questions of various degrees of difficulty. Reinforcement Activities shot-4.png   These practice questions...
Brent Hanneson - December 23, 2020 The key to maximizing your GMAT score is hidden in the 2021 Official Guide for GMAT Review (aka the OG2021), on the first page of the math review (page 17): Keep in mind that this knowledge of basic math...
By Brent Hanneson - December 10, 2020 When it comes to counting questions that ask us to arrange a set of objects such that certain objects cannot be adjacent, the traditional approach is to apply the following property: # of ways to...
By Brent Hanneson - December 5, 2020 At least half of all GMAT counting questions can be solved using the Fundamental Counting Principle (FCP, aka the slot method). However, it's not always easy to identify each stage (each slot) in the...
By Brent Hanneson - December 1, 2020  I’ve already noted that the GMAT test-makers aren’t trying to reward the human calculators out there (more here). If anything, the test-makers reward number sense, which means there are often times...
By Brent Hanneson - November 11, 2020 This is one of my favorite questions on GMAT Club. So, put on your test-taking pants and see if you can plow through it: If you weren’t able to answer the question, you’re not alone.  The question’s...

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