GMAT Math Articles

Do you prefer drawing a Venn Diagram or using a chart when you encounter an overlapping sets question? If you have a preference like I do, you should read this article. It’s not about your preference, but rather, … Read More

Let’s start this week’s session on Mixtures with this article. You will get a clear overview of the 2 different types of mixture problems: 1) ADDING or SUBTRACTING one component and 2) COMBINING two mixtures. … Read More

When dealing with questions that ask us to compartmentalize information, there are two major sorting methods that we can use on the GMAT. The first, and perhaps more familiar concept, is the Venn diagram. This … Read More

If you have ever built a puzzle, you probably know that you can’t expect to start at a certain point and build the entire puzzle without moving around. You may find two or three pieces that fit together, but then you … Read More

If you’re going to do a great job on Data Sufficiency, then you’ve got to know how to Test Cases. This strategy will help you on countless DS problems. Try this GMATPrep® problem from the free exams. Give yourself … Read More

In this article, we’ll examine two different approaches you can take when solving questions with variables in the answer choices (also known as VIACs). To begin, please try the following question: Townville has X … Read More

Ah, autumn. The busiest GMAT season of the year as application deadlines fill the air, and that season always coincides with Major League Baseball’s pennant races and playoffs. And whether you are a baseball fan or … Read More

There really is no easier/quicker way to solve volume problems than knowing your formulas. So let’s start out the week with this short video to refresh your memory on cylinders. GMAT Prep MiniLesson: Cylinders by … Read More

It’s no secret that there are several strategies for tackling quantitative problems on the GMAT, but you may not have realized that combining methods creates even more options. Let’s take a look at the following … Read More

Here are four reasonably challenging problems about sets. 1) At a certain school of 200 students, the students can study French, Spanish, both or neither. Just as many study both as study neither. One quarter of those … Read More

Succeeding on the GMAT requires a great many things. Firstly, you must be able to decipher and solve complex logic puzzles in mere minutes. Secondly, you must be able to maintain focus for many consecutive hours. The … Read More

Questions on the GMAT can be described in many different ways. I’ve heard them described as everything from juvenile to vexing, simple to impossible. One term that appears very infrequently as a characteristic of the … Read More

Today we look at ways to achieve that much desired score of 51 in Quant. Obviously, we don’t need Sheldon Cooper’s smarts to realize that for that revered high score, we must do well on the high level questions but … Read More

Coordinate geometry, or Cartesian geometry, is the study of geometry using a coordinate system and the principles of algebra and analysis. The Coordinate Plane In coordinate geometry, points are placed on the … Read More