GMAT Math Articles

  • 1 Easy Way to Solve Difficult GMAT Questions

    1 Easy Way to Solve Difficult GMAT Questions

    by on November 18th, 2014

    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

  • GMAT Data Sufficiency Strategy: Test Cases

    GMAT Data Sufficiency Strategy: Test Cases

    by on November 14th, 2014

    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

  • Variables in the Answer Choices – Part I: Two Approaches

    Variables in the Answer Choices – Part I: Two Approaches

    by on November 3rd, 2014

    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

  • Probability Basics: The Very Least You Should Know

    Probability Basics: The Very Least You Should Know

    by on November 1st, 2014

    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

  • GMAT Avengers Study Group: Volumes

    GMAT Avengers Study Group: Volumes

    by on October 30th, 2014

    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 Mini-Lesson: Cylinders by … Read More

  • Combining Methods on the GMAT

    Combining Methods on the GMAT

    by on October 22nd, 2014

    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

  • GMAT Practice Problems: Sets

    GMAT Practice Problems: Sets

    by on October 17th, 2014

    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

  • How to Interpret Unfamiliar Symbols on GMAT Quant Questions

    How to Interpret Unfamiliar Symbols on GMAT Quant Questions

    by on October 16th, 2014

    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

  • Correctly Solve Vague GMAT Questions

    Correctly Solve Vague GMAT Questions

    by on October 15th, 2014

    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

  • 95% of Students Find This Quant Question Difficult

    95% of Students Find This Quant Question Difficult

    by on October 8th, 2014

    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

  • GMAT Avengers Study Group: Coordinate Geometry

    GMAT Avengers Study Group: Coordinate Geometry

    by on October 6th, 2014

    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

  • GMAT Avengers Study Group: Quadrilaterals

    GMAT Avengers Study Group: Quadrilaterals

    by on October 3rd, 2014

    A polygon is a closed 2D shape with all the straight lines. A quadrilateral is a polygon with 4 sides or edges and four vertices or corners and the sum of its angles equals 360°. There are 5 types of quadrilaterals and … Read More

  • Handling “Analyze the Answer Choices” Questions

    Handling “Analyze the Answer Choices” Questions

    by on September 30th, 2014

    Consider the following two questions: Question #1: If 10 is the greatest common divisor of positive integers  and , and 20 is the lowest common multiple of and , what is the value of ? A) 15 B) 20 C) 30 D) 100 E) 200 … Read More

  • Free Yourself from Calculator Math

    Free Yourself from Calculator Math

    by on September 17th, 2014

    There are few things more alluring than shortcuts. Oftentimes we are aware of how much work, effort or time is required to accomplish a task, but we naturally gravitate towards something that can accomplish that task … Read More