### GRE Data Interpretation for Hipsters

Here are two hilarious — but mathematically GRE-like — problems written by Manhattan GRE instructor Tommy Wallach.

As on the real GRE, both questions use the same set of two charts. The first question is multiple choice; the second requires you to enter your own answer. You may use a calculator.

1. If the five categories of irony were placed in the slice appropriate to them in the first chart, approximately what would be the internal angle of the slice labeled nostalgia, in degrees?

1. 7
2. 21
3. 25
4. 57
5. 70

2. If a hipster’s priorities were expressed as a percentage of 500 priority points, what would be the point difference between knowledge of craft beers and ironic attitude, rounded to the nearest tenth?

Give these problems a shot before reading further.

For the first question, the category irony in the first chart is exploded outwards in the second chart. Nostalgia makes up 18% of that second chart. If we were to include that as a part of the irony category in the first chart, it would be 18% of 39%, or about 0.07. Because the whole circle is 360 degrees, we simply multiply 360 by 0.07, and get approximately 25 degrees. The answer is C.

Second question: If the top chart represents 500 points, then knowledge of craft beers is simply 0.14 times 500, or 70. To find the percent represented by attitude, we have to take 14% of 39% (because attitude is a subset of irony). So, 0.014 times 0.39 = 0.0546. Then we multiply that by 500, to get 27.3. Finally, 70 “ 27.3 = 42.7. The answer is 42.7.

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