GMAT Section 2 Quantitative

GMAT Section 2 Quantitative practice questions, page 12 of 29, with answer review and explanations.

Question 56

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

Question 57

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

Question 58

If y = 6x, then 6y equals -

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

Question 59

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 60

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