GRE Section 2 Quantitative

GRE Section 2 Quantitative practice questions, page 16 of 17, with answer review and explanations.

Question 76

The arithmetic mean (average) of two numbers is . If the first number is Q, which of the following Expressions represents the other number?

  1. Option A
  2. Option B
  3. Option C
  4. Options D
  5. Option E

Question 77

How many ounces of soy sauce must be added to an 18-ounce mixture of peanut sauce and soy sauce consisting of 32% peanut sauce in order to create a mixture that is 12% peanut sauce?

  1. Option A
  2. Option B
  3. Option C
  4. Option D
  5. Option E

Question 78

At a particular ice cream parlor, customers can choose among five different ice cream flavors and may choose either a sugar cone or a waffle cone. Considering ice cream flavor and cone type, but NOT the arrangement of ice cream scoops, how many distinct triple-scoop cones with three different ice cream flavors are available?

  1. 10
  2. 20
  3. 25
  4. 40
  5. 50

Question 79

The figure above shows a solid cube 3 inches on a side but with a 1-inch square hole cut through it. How many square inches is the total surface area of the resulting solid figure?

  1. 24
  2. 42
  3. 52
  4. 64
  5. 66

Question 80

If x + y = a, and if x - y = b, then x =

  1. Option A
  2. Option B
  3. Option C
  4. Option D
  5. Option E