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GMAT Combinatorics: Simple Guide to GMAT Permutations and Combinations

Introduction At the risk of blowing all the secrets too early, let’s do this at the beginning. If you can answer three Core Questions, you’ll be able to answer any Combinatorics question that the GMAT decides to throw at you. Here they are: How Many Spaces? How Many Choices? Does Order Matter? Figuring out the … Read More

The Ultimate Guide to GMAT Mixtures Questions — what fraction of this year’s graduating students at a certain college are males and more!

The Ultimate Guide to GMAT Mixtures Questions 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 take a hypothetical case where we have a … 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

I Hate the GMAT Part II: Frustration and Shame

I hate the GMAT because it is built to be frustrating. (Among other reasons, of course!) Start with contempt. If you get frustrated enough, the GMAT wins. While it’s nice to really enjoy something and pursue everything “for the love,” let’s be honest–that’s bullshit.  At least at the beginning. Let’s start with a little story… … Read More

GMAT Grammar Tips for Sentence Correction: What are They?

GMAT Grammar is an odd concept. I mean, how could it possibly be different from normal English grammar?  HAHAHAHAHAHAHA! The problem, then, becomes one of how one defines “normal English grammar.” The problem is that there’s not really one particular type or book of grammar that is actually consistent in every variant of English. Do … 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

although she was considered among her contemporaries to be the better poet — EXPLAINED — Possessive Antecedent in GMAT Sentence Correction

Is it even possible to use Possessive Antecedent on the GMAT? This is an interesting topic that recently came up on Reddit. So… can you use a possessive antecedent on GMAT? Short answer: YES, but try doing it sparingly. It’s not good writing or good practice. By the way, if you don’t know what a … Read More