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Archive | Challenge Questions

Tricky Data Sufficiency Questions

My most recent blog posts have concerned tricky Data Sufficiency questions about systems of equations. Specifically, they’ve been about what can go wrong when you misremember a rule and assume that it’s possible to solve for two variables if and only if you’re given two equations, and generally that it’s possible to solve for n […]

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GMAT Sentence Correction: Do You Got What It Takes? – Explanation

Welcome back! Before we get started, take a moment to review Monday’s Sentence Correction question. Question In the middle of the 19th century, mathematician turned computer scientist Ada Lovelace aided Charles Babbage by developing the first computer algorithm, a breakthrough that ushered in the computer age, leading to machines capable of executing functions far more […]

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Challenge Question #2: Win a Magoosh Account

Hey guys! It’s time for our 2nd challenge question. This time, we’ll be focusing on a Problem Solving question. Submit an answer and an explanation in the comments by 2PM Pacific Standard Time on Thursday, and we will pick the comment with the best explanation as our winner. You can also comment on the post […]

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Challenge Question #1: Answer

Thanks for all the responses, and a special congrats to our winner, Umesh! 🙂 Here’s the answer to yesterday’s challenge problem: Sentence Completion:  The president’s latest television news conferences indicate that the aggression may, or already has, begun in the disputed territory. a. may, or already has, begun in the disputed territory  b. may begin, or […]

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