The basic math problems on the GRE may include fractions, decimals, percentages, and ratios. If you're fresh out of math class, you'll probably be fine going through these quickly.

If it's been a few years since your last math class, you may want to work the questions carefully.

Shortfalls in math are in three basic categories. See whether you're prone to one of these in particular:

  • Simple mistakes, such as not placing the decimal point correctly

  • Mistakes in working the problem, such as multiplying numbers when you should be adding them

  • Not knowing how to work a problem, such as setting up a percentage equation correctly

Here are some practice questions for you to try.

Practice questions

  1. Which values of x make


    true? Select all the correct answers.

  2. Twenty-five percent of 600 is equal to 15% of what number?

Answers and explanations

  1. A, E


    Convert all the fractions to decimals:


    Only Choices (A) and (E) fall within the range 0.33 < x < 0.76.

  2. 1,000

    First, find 25% of 600:


    Next, set 15% of the number equal to 150:


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