Math BeastEach week, we post a new Challenge Problem for you to attempt. If you submit the correct answer, you will be entered into that week’s drawing for two free Manhattan Prep GRE Strategy Guides.

x and y are positive integers such that 3x y2 = 432.

Quantity A
3x

Quantity B
y2

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Catch up on your graduate school tips and news with some of this week’s top articles:

How to Strengthen Your Graduate School Application (Happy Schools Blog)

Read about the various elements of the graduate school application and learn how to construct your best application package.

15 Essential Things To Do Before Starting Grad School (USA Today College)

Your summer before grad school should not be an intense one. USA Today College has 15 things you should do to fill the time.

What’s the Role of GPA in Graduate School Admissions? (About.com Graduate School)

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Check out the last sentence of this article about a pit bull attack:

viscous

Note that, in the top sentence captured above, the pit bull is “vicious.”

In the last line, it is “viscous.” NOT THE SAME WORD.

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Math BeastEach week, we post a new Challenge Problem for you to attempt. If you submit the correct answer, you will be entered into that week’s drawing for two free Manhattan Prep GRE Strategy Guides.

A solid metal cylinder was dropped into a cylindrical glass originally holding 200Ï€ centimeters3 of water. If the metal cylinder has a radius of 3 centimeters and height of 7 centimeters, and is completely submerged in the water, by what percent did the water level in the glass rise? (Assume the metal is non-porous, so the resulting water and metal volume equals the original water volume plus the metal cylinder volume.)

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If you’ve been feeling frustrated with the abstruse, opaque, even occult charts and tables on the GRE’s Data Interpretation section, you might find this amusing.

Click to enlarge.

To practice GRE charts and tables for real, see: