GMAT Section 2

GMAT Section 2 practice questions, page 13 of 29, with answer review and explanations.

Question 61

If the volume of a cube is x3 cubic units, what is the number of square units in the surface area of the cube?

  1. x2
  2. x3
  3. x6
  4. 6x2
  5. 6x3

Question 62

If x "" 3 is a multiple of two, what is the next larger multiple of two?

  1. 2x
  2. x "" 2
  3. x "" 1
  4. x "" 5
  5. x + 2

Question 63

If 3x + 1 = 81, then x "" 1 =

  1. 2
  2. 3
  3. 4
  4. 9
  5. 27 A

Question 64

For dinner at a restaurant, there are x choices of appetizers, y + 1 main courses, and z choices of dessert. How many total possible choices are there if you choose 1 appetizer, 1 main course, and 1 dessert for your meal?

  1. x + y + z + 1
  2. xyz + xz
  3. xy + z + 1
  4. xyz + 1
  5. xyz + 1/2 B

Question 65

If x $ y is defined as 2(x + y) 2, then what is the value of 2 $ 3?

  1. 25
  2. 36
  3. 50
  4. 100
  5. 144