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Lesson: Data Sufficiency Challenging - 10

Tough Content

[Page 10 of 24]

Though the math on the Exam is high-school level, certain concepts are more difficult than others. The test makers know which topics give test-takers the most trouble (that’s what those experimental questions are for). If you prove that you can handle the basics (by getting most of the early questions right), you’ll start to see content that’s noticeably more difficult than what came before.

In Data Sufficiency you’ll see difficult problems on exponents and roots, factors and multiples, more complex symbols, long word problems (sometimes with figures), more complex geometry, and tougher algebra.

The reason these topics receive so much coverage is that they tend to be a little more abstract and/or have lots of rules with exceptions that might slip your mind. Remember, part of what’s being tested at this level is your ability to consider a problem from more than one angle. So every time you get a tricky question involving number properties and/or algebra, for example, you need to ask yourself whether there are any relevant exceptions to whatever mathematical rules apply to the situation. Keeping all this in mind, let’s take a look at a very tough exponents question… .

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