# GRE Blog

May 18, 2022 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...
Beneath most video lessons, you’ll find a Reinforcement Activities box featuring linked practice questions of various degrees of difficulty. GRE Reinforcement Activities shot.png These practice questions...
November 9, 2021 This article provides a step-by-step roadmap to prepare for the GRE at no cost. The path you’ll take to prepare is pretty much the same path our paying customers follow, with one exception: instead of learning all of the...
October 31, 2021 Here’s a popular Fool Me Once question/riddle: If a plane crashes directly on the border of Canada and the United States, in which country should you bury the survivors? The answer is neither, since it’s not cool to bury...
The key to performing well on the GRE 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...
Many students rely too much on testing values when answering QC questions.  While this approach has some merits, I don’t think it deserves the attention it gets. To help understand why I’m not a fan, consider the following question:...
In my last article, we looked at a mistake that many people make when dealing with successive increases and decreases. In this article, we’ll examine another common error. To set the stage, please answer the following question: If toaster...
In this article, we’ll examine a common misconception that the GRE often tests. To start things off, try the following question: Hank bought a bike from a wholesaler and then assigned it a retail price that is 40% greater than the...
To set up this article, please consider a forum post from some fictitious wrestling forum: The state wrestling tournament is 1 month away, and I want to win the 184-pound weight class. To lose enough weight to qualify for that weight class...
Try this one: What is the units digit of 13^35? A) 1 B) 3 C) 5 D) 7 E) 9 Let’s begin by looking for a pattern as we increase the exponent. 13^1 = 13 (units digit is 3) 13^2 = 169 (units digit is 9) 13^3 = 2197 (units digit is 7) Aside:...