GMAT Math Articles

Here’s some common definitions to get us started: Line – a geometrical object that is straight, infinitely long and infinitely thin. Two points determine a straight line. Given any two points, there is exactly … Read More

Did you try out our GMAT problem solving practice question? If not, give it a try before you look at the solution. Here’s a reminder: A theater charges $12 for seats in the orchestra and $8 for seats in the … Read More

On the GMAT, you will be asked to answer multiple questions in a relatively short period of time. One of the main difficulties test takers have with the GMAT is that they run out of time before finishing all the … Read More

Try this problem from the free problem sets that come with the GMATPrep® software and see whether you can spot the most efficient solution. Here is the problem: * “If a is a positive integer, and if the units … Read More

In this article, we’ll examine how to make Data Sufficiency questions easier by simplifying the target question before examining the two statements. To set the stage, try solving the following question: Is ? 1) xy < … Read More

Have you encountered a Quant problem that involves imperfect square roots? How did you react? Here’s an article on approximating square roots that will help you approach these problems with more ease. … Read More

It’s time again for some GMAT practice. Hey, I know you’re gearing up for a weekend of football and snacks, but why not set aside a few minutes to try this practice problem before you put on your beer hat? … Read More

The question format least familiar to most prospective GMAT students is unquestionably Data Sufficiency. As a test exclusive question type, it is unlikely that you have come across such a question without having at least … Read More

Number Properties are all about categories and rules. Certain kinds of numbers behave the same ways in all cases. When discussing number properties, do not assume that they apply exclusively to integers. Integers are … Read More

Many students who take the GMAT come from backgrounds focused on mathematics. A significant percentage of GMAT test takers come from engineering backgrounds or other fields that require strong analytical skills. However, … Read More

Number sequence & series is all about identifying the patterns. What better way to start this topic than learning the 4 main categories of sequences that are tested on the GMAT. Sequences on the GMAT Math … Read More

On GMAT Data Sufficiency questions, it is important to note that you don’t have to do any calculations to get the right answer. In theory, it is entirely possible to simply look at a problem and determine that the … Read More

Memorize what? I’m not going to tell you yet. Try this problem from the GMATPrep® free practice tests first and see whether you can spot the most efficient solution. * “If xy = 1, what is the value of ? “(A) 2 … Read More

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 … Read More