GMAT Section 2

GMAT Section 2 practice questions, page 5 of 29, with answer review and explanations.

Question 21

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 22

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 23

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 24

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

Question 25

X is a prime number bigger than 10. Also, Y = X+X3+X5+X7. What is definitely true about Y?

  1. Y is a prime number.
  2. Y is odd.
  3. Y is even.
  4. Y is divisible by 3.
  5. Y is divisible by 7.