GMAT Section 2

GMAT Section 2 practice questions, page 14 of 29, with answer review and explanations.

Question 66

If x, y, and z are real numbers, which is always true? I) x (yz) = (xy) z - II) x/y = y/z - III) z (x + y) = zx + zy -

  1. I only
  2. II only
  3. I and II only
  4. I and III only
  5. I, II, and III D

Question 67

If y = 6x, then 6y equals -

  1. 6x
  2. 6x+1
  3. 6x + 6
  4. 6x
  5. 6x "" 1

Question 68

What is the smallest of six consecutive odd integers whose average (arithmetic mean) is x + 2?

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

Question 69

The product of a and b is equal to 11 more than twice the sum of a and b. If b = 7, what is the value of b "" a?

  1. 2
  2. 5
  3. 7
  4. 24
  5. 35

Question 70

The instructions state that Cheryl needs 4/9 square yards of one type of material and 2/3 square yards of another type of material for a project. She buys exactly that amount. After finishing the project, however, she has 8/18 square yards left that she did not use. What is the total amount of square yards of material Cheryl used?

  1. 1/12
  2. 1/9
  3. 2/3
  4. 1 1/9
  5. 2 1/9