Category Archives: Example Problems

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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GMAT Data Sufficiency Example Problem

Data sufficiency questions can often be a thorn in the side for even the most diligent of GMAT test takers. Rather than test your ability to solve a math problem and get an answer at the end, data sufficiency problems … 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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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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GMAT Math Example Problem

Today we’ll be solving a GMAT Math Word Problem. Consider the following question: Tickets for all but 10 seats in a 500 seat theater were sold. Of the tickets sold, 20% were sold at half price, and the remaining tickets were … Continue reading

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More Fun With Ratios

Well, since the last ratios problem seemed to be such a huge hit, I thought you guys might like another one. This ratios problem is not really mathematically that much more difficult than any other, but the wording of the … Continue reading

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Fun with Ratios — Quantitative Reasoning Example Problem

Hope everyone had a fun Halloween! Let’s kick off November with a super fun ratios problem. The ratio of men to women in a room is 5:6. If there are 121 people in the room, how many of them are … Continue reading

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GMAT Math Solutions: Data Sufficiency

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Quantitative Reasoning Example Problem #7

If a = (b+c)/e, then c = a. (a-b)e b. ae – b c. (ae)/b d. (b+a)/e e. (a/e) – b In this question, you are solving for c. To solve for c you must first isolate it. These types … Continue reading

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