Magoosh

Mathematical Thinking on the GMAT

By - Feb 6, 09:00 AM   Comments [2]

What does the GMAT Quantitative section test?  Math, of course.  As tautological as that may seem, there is a very subtle point here.  What exactly is math?   Mathematics Strange as it may seem, there is no generally accepted formal definition of the word mathematics.  Most of the...

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GMAT Math: Can you divide by a variable?

By - Feb 4, 09:00 AM   Comments [0]

Question #1: In the equation, can you divide both sides by x? Question #2: In the equation (x – 3)(x + 5) = (2x + 1)(x + 5), can you divide both sides by (x + 5)? Question #3: Question #4:   Dividing by a variable or by an algebraic expression The...

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GMAT Prepositions and Idioms: “for”

By - Feb 1, 09:00 AM   Comments [0]

Prepositions in English display a powerful diversity of uses.  In previous preposition article, we talked about the proposition "of".  Here, we will look, at the preposition "for."   The preposition "for" The word "for" is a preposition.  This means, it must be followed by a noun --- or...

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GMAT Prepositions and Idioms: “of”

By - Jan 30, 09:00 AM   Comments [0]

Prepositions in English display a powerful diversity of uses.  In previous preposition article, we talked about the proposition "to".  Here, we will look, at the preposition "of."   The preposition "of" The word "of" is a preposition.  This means, it must be followed by a noun --- or...

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GMAT Number Properties

By - Jan 28, 09:00 AM   Comments [0]

The single most-tested topic on the GMAT Quantitative Section is something called "Number Properties."  In a way, this statement, while absolutely true, is a bit deceptive.  It's like saying the biggest category at a particular zoo is mammals: even if that is completely true, that...

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Auxiliary (Helping) Verbs and Number on the GMAT

By - Jan 25, 09:00 AM   Comments [0]

First of all, try this GMAT Sentence Correction practice problem.   1) Knocked from the asteroid belt, an asteroid that comes close to Earth may be captured by Earth's gravitational field, ultimately spiraling inward and, fully consumed during its fiery descent through the atmosphere while being a "falling...

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GMAT Probability and Counting Techniques

By - Jan 23, 09:00 AM   Comments [2]

This is the third in a series of probability articles for the GMAT Quantitative Section.  In the first, I discussed the "AND" and "OR" rules for probability.  In the second, I discussed the "complement rule" and how to use this to solve "at least" problems in probability. ...

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GMAT Grammar: A Quirky Idiom for Comparisons

By - Jan 21, 09:00 AM   Comments [0]

This is an idiom that demonstrates some of the quirkiest aspects of the English language, aspects that often frustrate non-native speakers in the process of learning English.   This idiom concerns the situation of talking about how two thing changes with respect to one another.  Because...

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How Long Should I Study for the GMAT?

By - Jan 18, 09:00 AM   Comments [0]

Suppose you know, or at least you suspect, that you want to go to business school at some point in the not-too-distant future.  You know that you have to take a GMAT at some point and you want to get some idea about how long...

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GMAT idioms: Can You Believe That?

By - Jan 16, 09:00 AM   Comments [0]

Before a discussion of this cluster of idioms, take a look at these practice GMAT Sentence Correction questions. 1) Supply-side economics believes in the national economy growing most vigorously both through reducing taxes, especially taxes affecting large movements of capital, and by the elimination of the regulations that prevent business...

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