GMAT Section 2 Quantitative

GMAT Section 2 Quantitative practice questions, page 3 of 29, with answer review and explanations.

Question 11

The average (arithmetic mean) of seven numbers is 12.2. If the sum of four of these numbers is 42.8, what is the average of the other 3 numbers?

  1. 12.4
  2. 14.2
  3. 16.8
  4. 18.6
  5. 19.2

Question 12

A drawer holds 4 red hats and 4 blue hats. What is the probability of getting exactly three red hats or exactly three blue hats when taking out 4 hats randomly out of the drawer and immediately returning every hat to the drawer before taking out the next?

  1. 1/8
  2. 1/4
  3. 1/2
  4. 3/8
  5. 7/12

Question 13

If 4XZ + YW = 3 and XW + YZ = 6, what is the value of the expression (2X + Y)(2Z + W)?

  1. 9.
  2. 12.
  3. 15.
  4. 16.
  5. 18.

Question 14

X is an even number and Y is a positive odd number. Which of the following expressions cannot be even?

  1. (XY) Y
  2. X3Y3
  3. X3
  4. XY
  5. Y2

Question 15

How much interest will $2,400 earn at an annual rate of 8% in one year if the interest is compounded every 4 months?

  1. $141
  2. $150
  3. $197
  4. $234
  5. $312