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# Author Archive | Mike MᶜGarry

## GMAT Sentence Correction: the “Due To” Mistake

This mistake is astonishingly common in spoken English, even among otherwise well-spoken people.  In the six Sentence Correction practice questions below, all the questions contain “due to.” Where is it used correctly and where is it wrong?   1) Elysium Field Construction planned to build a ten-story building the suburban downtown, but due to unstable bedrock […]

## The Official Guide for the GMAT 2017 Book Review

As you may know, GMAC, the folks who create the GMAT, recently released three volumes of The Official Guide for the GMAT 2017. I review these new editions of the Official Guide for the GMAT in this book review. The Official Guide for the GMAT 2017 The three new volumes are as follows: 1) The Official […]

## GMAT Quant: Rates and Ratios

What are rates and ratios? How do rate and ratios problems differ? Hint: Not that much. Original photo by Pierre Rougier In fact, rates are just ratios in disguise. Here are a four GMAT practice problems exploring rates and ratios.  Remember: no calculator! Rates and Ratios Practice Problems 1) Someone on a skateboard is traveling 12 miles […]

## Number Sense for the GMAT

What is number sense and how can you recognize number sense problems on the GMAT? Before we get into the details, let’s start with a few number sense practice problems. Remember, no calculator. Warm-Up Problems 1) Rank those three in order from smallest to biggest. (A) I, II, III (B) I, III, II (C) II, I, […]

## GMAC’s Official IR Practice Questions

Back in June 2012, the GMAT launched the Integrated Reasoning (IR) question.  At the time, there was a panic among GMAT test-takers, and GMAC saw one of the largest peaks ever in number of GMATs taken, just before June, 2012—all the folks who wanted to avoid this then-brand-new question!  In 2013 and 2014, adcom saw a […]

## Common GMAT Topic: Descriptive Statistics

Here’s a whirlwind tour of one of the most frequently tested sets of concepts on the GMAT Quantitative section: GMAT statistics. You don’t have to be an expert on statistics: a little goes a long way. Let’s learn some basic descriptive statistics formulas and go from there. Descriptive Statistics Formulas The Mean One very important GMAT […]

## Understanding Your GMAT Score Report

When you take the GMAT, often at the test center itself you will get some of your GMAT score report as soon as you are done with your test.  You can choose to receive the GMAT total score report electronically or via snail mail (here’s a sample report from GMAC).  The electronic version will arrive […]

## Introduction to GMAT Critical Reasoning

One question on the GMAT Verbal Section is Critical Reasoning.  On this question, the prompt presents some sort of argument, and then asks you, in one way or another, to analyze the argument—for example, by strengthening it, weakening it, finding its underlying assumption, etc.   The argument prompt is typically less than 100 words, much shorter […]

## Most Common GMAT Topics & Questions

Of course, a facile discussion of GMAT topics might say — the most common GMAT Verbal questions are Reading Comprehension, Sentence Correction, and Critical Reasoning — those three questions are the only questions you see on the Verbal section.  Similarly, all of the GMAT Quant questions are Problem Solving and Data Sufficiency.   If you are […]

## Computer Adaptive Testing on the GMAT

What is an adaptive test? How should you change your study strategy to prepare for the GMAT Computer Adaptive Test (CAT)? Computer adaptive testing definitely puts pressure on your testing experience and forces you to adapt your test-taking strategy in small ways. It’s especially important to understand how the GMAT calculates your score and what […]