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Everything you need to know about the New Official Guides, Part 3
I have now done every last one of the new quant problems in both new books—and there are some really neat ones! I’ve also got some interesting observations for you. (If you haven’t yet read my earlier...
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The Importance of Getting to No on the GMAT — Part 1
Recently, a colleague of mine shared this very interesting puzzle published by the New York Times. (Thanks, Ceilidh!) Go ahead and try it. I’ll wait. After you’ve tried the puzzle, you can read the...
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The Importance of Getting to No on the GMAT — Part 2
Last time, we talked about how crucial it is to develop the instinct to go for the “No” when taking the GMAT. If you haven’t read the first installment, do so right now, then come back here to learn...
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Here’s why you might be missing GMAT Data Sufficiency problems (Part 2)
In our previous article, we divided the logical errors that test-takers make on Data Sufficiency questions into two types: Type 1: You thought that something was sufficient, but it was actually...
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GMAT Story Problems: Draw It Out
Whenever I see a story problem, I immediately make myself think, “How would I solve this in the real world?” I don’t want to get sucked into doing a bunch of annoying textbook math. In the real world,...
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Three things to love about GMAT Roman numeral problems
I. Roman numeral Quant problems aren’t a whole lot of fun. II. A lot of my students choose to skip them entirely, which is much smarter than wasting five minutes wondering what to do! III. However,...
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Two Minutes of GMAT Quant: A Breakdown – Part 1
Two minutes is not a huge amount of time. Yet if you want to finish the entire GMAT Quant section in 75 minutes, two minutes is about all you have to solve each problem. Don’t interpret that to mean...
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Decoding Divisibility and Primes on the GMAT – Part 1
Most of my students are driven crazy by GMAT Number Properties. On the face of it, the topic seems straightforward: I know what positive and negative, odd and even are. Divisibility stuff is a little...
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The Top 6 GMAT Quant Mistakes That You Don’t know You’re Making
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. Sometimes, as you solve a GMAT...
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When Your High School Algebra is Wrong: How the GMAT Breaks Systems of...
If you have two equations, you can solve for two variables. This rule is a cornerstone of algebra. It’s how we solve for values when we’re given a relationship between two unknowns: If I can buy 2...
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