The Ultimate Guide to GMAT Mixtures Questions — Mixture Problems GMAT — this year’s graduating students — and more!

The Ultimate Guide to GMAT Mixtures Questions Download this entire article in PDF form here! The beauty of Mixtures questions is that they are relatively simple once we get a couple of simple concepts straight. One nice thing about Mixture questions is that they are best learned through example, so let’s jump right in.  Let’s … Read More

The Basic GMAT Probability Equations — A Short Guide

The Basic GMAT Probability Equations First, we need to establish some sort of general definition for the term Probability itself. You’ll most often hear Probability defined as some variant of: desired outcomes / total outcomes First things first: Probability is always a fraction, which, of course, could also be a percent (because these two statements, … Read More

Independent vs. Dependent in GMAT Probability — the Difference.

Independent vs. Dependent Probability in GMAT Probability Questions — What is the Difference? It would be really easy to dive into a thoroughly flummoxing explanation of the difference between Independent and Dependent Probabilities, but I’ll spare you that. In other words, a technical proof of this is somewhat mind-bending, so we’ll leave it here with … Read More

Move Your GMAT Score from the 600s to the 700s.

If your GMAT Score is stuck in the 600s, there’s probably a good reason. And that reason is technique. What is it that the 700+ scorers do that’s so different? One key thing is that they don’t waste time on unnecessary Arithmetic. Rather, knowing the multiplication tables and fraction-decimal equivalents cold plus understanding quick ways … Read More

A GMAT Geometry Question with NO CALCULATION?!?

How can you solve a GMAT Geometry question with no calculation? Simple: find one that’s based on spatial awareness. It’s just drawing loads and loads of pictures and you’ll get your answer! In this particular Geometry question, we see that you couldn’t really calculate even if you wanted to. Instead, this question requires two things: … Read More

RELATIVE PRIMES in GMAT Properties of Numbers

WTF are Relative Primes in GMAT Properties of Numbers? Learn more here… This is a slightly different approach from a normal video for me. This isn’t actually the solution to an Official Question as I normally do. This discusses a particular topic within Properties: Relative Primes. In a technical sense, the term “Relative Primes” means … Read More