Author Archive | Brent

  • Brent

    Brent Hanneson is a master tutor with over 20 years of teaching experience. He developed all the math content for Magoosh Test Prep. Brent plays ice hockey in his free time.

GRE Math Shortcut: Statistics

Consider the following question: Set T consists of all multiples of 5 from 30 to 225 inclusive Column A Column B Mean of Set T Median of Set T   A. The quantity in Column A is greater B. The quantity in Column B is greater C. The two quantities are equal D. The relationship […]

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GRE Quantitative Comparison Tip #4 – Comparing in Parts

To set up today’s Quantitative Comparison (QC) strategy, please solve the following question:           A. The quantity in Column A is greater B. The quantity in Column B is greater C. The two quantities are equal D. The relationship cannot be determined from the information given There are several different ways to solve this question. […]

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GRE Quantitative Comparison Tip #3 – Logic over Algebra

In previous posts (Tip #1 – Dealing with Variables, Tip #2: Striving for Equality), I have discussed two approaches when tackling Quantitative Comparison (QC) questions involving variables. Those approaches are: 1) Apply algebraic techniques 2) Plug in numbers In those posts, I noted that the algebraic approach is typically the faster and more reliable approach. […]

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GRE Quantitative Comparison Tip #2: Striving for Equality

In my previous post, we examined the pros and cons of two approaches for tackling Quantitative Comparison (QC) questions involving variables. Those approaches are: Apply algebraic techniques Plug in numbers In today’s post, we’ll examine a useful strategy that can increase the effectiveness of the plug-in-numbers approach. To set up today’s strategy, please consider the […]

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GRE Combinations and…Non-combinations

 Whenever I see a GRE resource label its counting section as “Combinations and Permutations,” a small part of me dies a little. Okay, that’s an exaggeration, but I am concerned about the misleading message that this sort of title conveys. To me, it suggests that counting questions can be solved using either permutations or combinations, […]

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GRE Probability Questions

If you’re like most students, you probably struggle with the GRE’s time constraints, and you probably have difficulties with probability questions. Great! In this article, we’ll examine how probability questions can provide you with a convenient opportunity to make up lost time. To set this up, please consider the following scenario: It’s test day, and […]

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