GMAT Section 2 Quantitative

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

Question 66

How many different committees can be formed from a group of two women and four men if three people are on the committee and at least one member must be a woman?

  1. 6
  2. 8
  3. 10
  4. 12
  5. 16

Question 67

Susan spent one-third of her money on books and half of the remaining money on clothing. She then spent three-fourths of what she had left on food. She had $5 left over. How much money did she start with?

  1. $60
  2. $80
  3. $120
  4. $160
  5. $180

Question 68

A truck travels 20 miles due north, 30 miles due east, and then 20 miles due north. How many miles is the truck from the starting point?

  1. 20.3
  2. 70
  3. 44.7
  4. 50
  5. 120

Question 69

A rectangular swimming pool is 20 feet by 28 feet. A deck that has uniform width surrounds the pool. The total area of the pool and deck is 884 square feet. What is the width of the deck?

  1. 2 feet
  2. 2.5 feet
  3. 3 feet
  4. 4 feet
  5. 5 feet

Question 70

If a person randomly guesses on each question of a test with n questions, what is the probability of guessing half of the questions correctly if each question has five possible answer choices?

  1. 5n
  2. 1 5/2n
  3. 1 1/5 2n
  4. 1 1/5 2n/2
  5. 1 1/5 22n