Author Archive | Mike MᶜGarry

  • Mike MᶜGarry

    Mike served as a GMAT Expert at Magoosh, helping create hundreds of lesson videos and practice questions to help guide GMAT students to success. He was also featured as "member of the month" for over two years at GMAT Club. Mike holds an A.B. in Physics (graduating magna cum laude) and an M.T.S. in Religions of the World, both from Harvard. Beyond standardized testing, Mike has over 20 years of both private and public high school teaching experience specializing in math and physics. In his free time, Mike likes smashing foosballs into orbit, and despite having no obvious cranial deficiency, he insists on rooting for the NY Mets. Learn more about the GMAT through Mike's Youtube video explanations and resources like What is a Good GMAT Score? and the GMAT Diagnostic Test.

Challenging GRE QC Problems on Number Properties

Get your GRE math practice in with these nine GRE Quantitative Comparison questions, ranging in difficulty from moderate to quite hard (arguably as hard as, or perhaps harder than, anything you would see on the GRE Quant section).  Solutions will come at the end of the article.  Remember: don’t touch a calculator! 1)     […]

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GRE Quantitative Comparison Geometry Practice Problems

Here is a batch of 7 practice QC questions.  Explanations will come at the end of the article. Note: all quantitative comparison questions have the same four answer choices.  I didn’t copy the answer choices for each question in this post, so please note the answer choices below: a. Quantity A is greater. b. Quantity B […]

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Good! I Got it Wrong!

Children and more mature students typically differ in their response to getting a question incorrect.   For younger children, and especially for self-absorbed teenagers, getting answers wrong can too easily be interpreted as some kind of negative personal message (e.g. “I’m dumb”, “there’s something wrong with me”, etc.) and it becomes a negative frustrating experience. Getting […]

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GRE Geometry Diagram Assumptions

What can you assume on GRE geometry diagrams, and what can’t you assume?  First, here are a couple of practice questions. 1) Quadrilateral ABCD is a rectangle. 2)   What you can’t assume on GRE geometry problems The biggie is: no diagram is drawn to scale.  That means — if nothing is specified about the […]

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GRE Math: Histograms

First, a practice question about the following scenario. In a survey, 86 high school students were randomly selected and asked how many hours of television they had watched in the previous week.  The histogram below displays their answers.     1)   Histogram First, a reminder on histograms.  Histograms are not simple bar or column […]

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