Articles published in Quant

Practicing Sets of GMAT Problems: Mimic the Real Test (Part 2 of 3)

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SK 406 - Practicing Sets of GMAT Problems: Mimic the Real Test (Part 2 of 3) by Stacey Koprince

Guess what? 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.


Last time, we talked about all of the basics of creating practice problem sets. Today, we’re going to talk about how to create larger sets that really mimic the GMAT testing experience. (If you haven’t read the first part yet, do start there.)

What are my goals for these larger sets of GMAT problems?

When you’ve made it through your primary review of all study materials (all question types and content areas), you’re ready to start doing larger problem sets: 8, 12, 16. (I’ll tell you later why these are all multiples of 4.)

Your goal is two-fold:

—Test (and continue to build) your skills on all this stuff you’ve been studying.

—Practice your overall business-decision-making skills (in other words, practice under conditions that mimic the real GMAT as closely as possible). Read more

Help! I Can’t Handle GMAT Probability and Combinatorics (Part 1)

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Manhattan Prep GMAT Blog - Help! I Can't Handle GMAT Probability and Combinatorics (Part 1) by Chelsey Cooley

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.


There’s a classic brain teaser called the Monty Hall problem. It’s named after the host of an old-timey TV game show, who used it to confound contestants. He’d present each contestant with three closed doors. Behind one door was a new car, and behind the other two doors were goats.

Monty invited the player to pick one of the three doors. Whichever door the player chose, Monty would then open a different one, revealing a goat, not the car. Then, he would offer the player a choice. If the player wanted, he could switch doors, picking the other unopened door. Or, he could stick with the door he picked in the first place. Whichever decision he made, he would win the prize behind the door he chose. Read more

Should I Study Math on My Own Before Enrolling in a GMAT Class?

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Manhattan Prep GMAT Blog - Should I Study Math on My Own Before Enrolling in a GMAT Class? by Elaine Loh

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 Scenario in Your Head

I feel like I must have taken math in high school. I mean, it was a requirement, right? So, why don’t I remember any of it? Like, nada. No math exists in this brain. I feel like I need to study math on my own before I embarrass myself in a GMAT class. Once I have a solid foundation, then I’ll take a class. Right??

Um, no. There are a few things wrong with that scenario. Your head is lying to you.
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The Knowledge Trove that Is a GMAT Ratio

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Manhattan Prep GMAT Blog - The Knowledge Trove that Is a GMAT Ratio by Reed Arnold

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.


‘Ratios?’ You might be thinking. ‘Those are easy. Pretty sure I get those.’

Wait. Let’s pretend I am the eccentric owner of a pet store, and I sell only two types of pets: rabid donkeys and three-legged mountain lions. In my store the ratio of donkeys to lions is 3:7. What do you know?

‘….That for every 3 donkeys you have 7 lions. Thanks for all the information, weird guy, should I get an external hard-drive so I can back all that up?’

Okay, drop the sarcasm, reader of my invention. When the GMAT gives you a ratio, it actually contains a boatload of information. Take a second and brainstorm what else you can figure out about this pet store. Anything at all.
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4 GMAT Myths Busted

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Manhattan Prep GMAT Blog - 4 GMAT Myths Busted by Chelsey Cooley

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.


There’s a lot of well-meaning advice for GMAT test takers out there. Unfortunately, some of the most reasonable-sounding and frequently-repeated claims are actually false. In this article, we’ll look at four of the most common GMAT myths, and what you should do instead. Read more

The Last Two Weeks Before Your GMAT, Part 2: Review

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Manhattan Prep GMAT Blog - The Last Two Weeks Before Your GMAT, Part 2: Review by Stacey Koprince

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.


As we discussed in the first half of this series, Building Your Game Plan, during the last 1-2 weeks before you take the real test, your entire study focus changes. In this article, we’re going to discuss the second half of this process: how to review. (If you haven’t already read the first half, do so before you continue with this part.) Read more

Know the GMAT Code: Story Problems

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Manhattan Prep GMAT Blog - Know the GMAT Code: Story Problems by Stacey Koprince

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.


How are the GMAT test writers going to hide information in plain sight and get you to fall into traps? Read more

Which GMAT Problems Should I Guess On? – Part 3: Making Great Guesses on Quant Problems

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Manhattan Prep GMAT Blog - Which GMAT Problems Should I Guess on? - Part 3: Making Great Guesses on Quant Problems by Chelsey CooleyDid 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.


You’ve read a Quant problem, and you’ve realized that you don’t have a plan. How do you make the smartest, fastest guess possible, and increase your odds of salvaging the problem?

Let’s start with Quant Problem Solving problems. Let’s also assume that you’re actually guessing, not using an alternative strategy, such as Backsolving or Choosing Smart Numbers! The following three methods are good ways to make a decent guess even if you don’t have a strategy at all. Read more

You’ve just taken your first practice GMAT. Now what?

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Manhattan Prep GMAT Blog - You've Just Taken Your First Practice GMAT - Now What? by Chelsey CooleyDid 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.


So, you’ve just finished your first practice GMAT, and you’ve reviewed your assessment report. (If you haven’t generated an assessment report yet, do it now, before you keep reading!) If you’re like many of my students, you may have more questions now than you did beforehand. In this article, I’ll share some of the most common questions raised by the first practice GMAT, and how to answer them.

“I’m good at math, so why isn’t my Quant score higher?” Read more

Fixing your GMAT Quant Timing Problem (Part 3: Test Day)

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Manhattan Prep GMAT Blog: Fixing Your GMAT Prep Timing Problem Part 3: Test Day by Chelsey CooleyDid 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.


You’ve been trying to improve your timing on the Quant section of the GMAT. You’ve already gotten into a timing-oriented mindset, and you’ve adopted the recommended study habits for better Quant timing. But what should you do when you’re actually taking the test? Follow these guidelines to maximize your Quant timing on test day. Read more