Hi GMATters, This is a guest blog post from our friend Mark Skoskiewicz of Chicago-based Test Prep service MyGuru. Want a full PDF of this guide? Click here: GMAT Math and the Importance of Strategy To excel on the…

## The Ultimate Guide to Picking a Private GMAT Tutor

Hey GMATters, This post is 2500 words long! Want a PDF instead? Get it here: Picking a private GMAT Tutor is a difficult and costly decision. These tutors charge tremendous amounts of money that you, the client, intend to exchange…

## VIDEO: How to Cancel Variables in GMAT Data Sufficiency

Hi GMATters, We’re all taught that “you need at least as many equations as you have variables.” In fact, that’s one of the first principles in a lot of GMAT texts. The simple fact that it’s in the damn GMAT…

## The Surprising Key to GMAT Success (hint: it doesn’t involve Probability)

Download this entire post as a PDF guide! Get Used to Repeating Questions “The secret is reps, reps, reps.” –Arnold Schwarzenegger It’s painfully common for me to hear a new GMAT student say “I’ve bought all the books and the…

## VIDEO Breakdown: An Easy Way to Gain Points in GMAT Quant

There are a few Quant topics on the GMAT that are much simpler than they seem. Learning these topics will boost the hell out of your GMAT prep. Factoring, Counting Problems (Permutations and Combinations), Probability, Mixtures, and Venn Diagrams round…

## Video: Is This the Ugliest Official GMAT Geometry Question?

This question is a beast, and arguably one of the rare GMAT questions that it is nearly impossible to solve in under two minutes. It is the classic, found as PS 167 in the OG Quant Supplement 2016 or PS…

## Video: A Difficult Combinatorics Problem from the New Official Guide!

The 2016 Official Guide is not a major difference from the 11th, 12th, or 2015 editions. This is particularly true when it comes to difficult questions. However, certain things are noticeable over time. One of these trends has been in…

## Video: The Secret Method for Overlapping Sets on GMAT

It’s no surprise that there are a lot of overlapping sets or Venn Diagram questions on the GMAT. For many people it’s incredibly difficult to figure out whether to use a diagram, a table, or perhaps simple algebra. The answer…

## Are Your GMAT Materials Good Enough?

Let’s face it—a lot of the GMAT materials out there are pretty rubbish. In fact, at least once a month, I get offers from some dodgy company or another offering me 1/3 to 1/5 my hourly rate to write something…

## New Video — Counting, Combinatorics, and Restrictions, oh my…

Combinatorics problems are feared mostly because no one teaches them properly in school. When you learn simple methods to break these questions down, you’ll find them some of the easiest questions on the GMAT! Strangely or not, there is an…