Author Archives: Graham

GMAT Math Example Problem – Group Work

It would take a Brooklyn native 10 seconds to tell a stranger they’re from New York, and it would take a Manhattan native 2 seconds to tell a stranger they’re from New York. If the two New Yorkers were able … Continue reading

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GMAT Math Example Problem – Permutation

The coach of a certain Philadelphia basketball team must arrange 5 centers and 2 point guards in a row of 7 seats inside a tank. If the first and last seats in the tank must be occupied by a point … Continue reading

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GMAT Math Example Problem – Word Problems & System of Equations

A junior investment banker is paid hourly for her work at Sisyphus, Inc. If her current hourly rate were to be increased by $300, 30 fewer hours of work could be bought for $10,000, excluding income tax. What is her … Continue reading

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GMAT Example Problem – Multiple Variables

If each of the x employees of a tech startup produces one unit of false hope every t minutes, how many units of false hope does the startup produce in a standard 17 hour workday? This type of problem expects … Continue reading

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GMAT Math Example Problem – Word Problem

If Keynes was three times as old as he is now, he would be 10 years younger than Hayek. If Hayek is 50 years older than Keynes, how old is Keynes? This word problem tests our ability to assign variables … Continue reading

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GMAT Math Example Problem Inclusive Multiples

How many multiples of 3 are there between 15 and 81, inclusive? For a problem like this, it may be tempting to simply count out all the multiples of 3 by hand. While this would work, it would certainly not … Continue reading

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Full-Time vs. Part-Time vs. Executive MBA

The MBA, or the Master of Business Administration, is most often begun several years after completing your undergraduate education. In fact, many if not most MBA program students will have an average work history of between 4 to 7 years … Continue reading

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GMAT Math Example Problem with Variable Proportions

Today, a GMAT Math expert from Testmasters will explain a GMAT Quantitative Reasoning example problem dealing with variable proportions. Consider the following question: A chemical container is being filled with benzene at a constant rate. It took 2 hours to … Continue reading

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What is a CAT exam?

One of the most commonly misunderstood aspects of the computerized GMAT exam is its adaptive questioning and scoring system, known as CAT. Short for Computerized Adaptive Testing, CAT is a system designed to continually assess the test-taker’s aptitude and adjust … Continue reading

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GMAT Quantitative Reasoning – Fun with Percentages

A grad student possesses 5 liters of blood that is 0.16% alcohol by volume. If the grad student injects 2 liters of blood in a ritual to improve his research results, his new blood alcohol content will be approximately what?

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