Data sufficiency problems are really weird—they were literally created for the GMAT, so if you’re new to the test, you’ve never seen math problems like this before. Even if you’ve been studying for a while, there’s a good chance you feel a little uncomfortable whenever a DS question pops up on the screen.

Why? Because you could completely mess up a DS question and still get to one of the 5 answer choices, having no idea that you messed something up. That’s a really uncomfortable feeling when taking a test! So let’s demystify the DS process.

Read more

Fair warning: unless you’re the kind of game-theory geek who watches a football game with your buddies and contributes comments like “the expected value from the Jaguars kicking a field goal was way higher than the expected value from their decision to try to convert fourth down—what were they thinking?!”, you might not enjoy this article very much. Also, if you haven’t studied a lot of GMAT Data Sufficiency, you won’t get much out of what I’m going to say. But if you’re still here, I have a fun (well, fun-ish) way to save you a little time on GMAT Data Sufficiency. Read more

When you first learn GMAT Data Sufficiency, it seems fairly straightforward. Your task is to determine whether each statement gives you enough information to answer the question. So you look at the question, look at the statement, and think Yes, I can answer the question—sufficient or No, I can’t answer the question—insufficient. Read more

Haaaappy Halloweeeeen, dear reader. What’s that? You’re already annoyed by the trite conceit of this conveniently-timed piece about trick-or-treating? Read more

Here we go, here we go! Welcome to part 2 of a little series on the GMAT Official Guide 2019 edition, hot off the presses; if you’d like, you can start with the first installment of this article series. Today’s post focuses on Data Sufficiency. Read more

Welcome to the latest installment of the Big GMAT Skills series, which I am hoping to use to lay out some of the biggest GMAT skills you can start using to get that score you want. Check out the other parts (Part 1, Part 2, Part 3), and keep them in mind as you read, as those GMAT skills are still going to be applicable here, just as what’s here is applicable in those articles as well. Read more

Are you ready to get even more geeky about your GMAT practice tests?  Read more

Did you know that you can attend the first session of any of our online or in-person GMAT courses absolutely free? We’re not kidding! Check out our upcoming courses here.

The problem we’re going to talk about today is a work of art. (Yes, I’m a geek. Did you not know that already? )

But I’m serious: it’s a thing of beauty. It looks super easy. It’s not—there are traps all over the place. The GMAT test writers have a genius for tying us into knots! Read more

Did you know that you can attend the first session of any of our online or in-person GMAT courses absolutely free? We’re not kidding! Check out our upcoming courses here.

It’s become a bit of a running joke in my classes that I say, “The GMAT is a game of [a thing].” Every time I say it, I make it sound like I’ve revealed the hidden key to GMAT mastery: Read more

Did you know that you can attend the first session of any of our online or in-person GMAT courses absolutely free? We’re not kidding! Check out our upcoming courses here.

The new GMAT Official Guide 2018 books have landed and I’ve got the scoop for you! (If you’d like, you can start with the first installment of this article series.) Today’s post focuses on Data Sufficiency. Read more