GMAT Section 2 Quantitative

GMAT Section 2 Quantitative practice questions, page 21 of 29, with answer review and explanations.

Question 101

One of the solutions of the equation X2-X-k=5, is –3. What is the other solution of the equation?

  1. 4
  2. -4
  3. 5
  4. 6
  5. 24

Question 102

What is the sum of all even integers between 30 and 50, inclusive?

  1. 640
  2. 540
  3. 480
  4. 440
  5. 240

Question 103

The price (p) of product X depends on the yearly number of units produced (n) according to the following formula: p= . What will the estimated price per unit be next year if an estimated number of 260 units will be sold?

  1. 24
  2. 26
  3. 50
  4. 60
  5. 240

Question 104

John must arrange 3 different physics books and 3 different mathematics books on one shelf. If the first book on the leftmost side is a mathematics book and no physics book is next to another physics book. How many different arrangements exist?

  1. 6
  2. 9
  3. 36
  4. 120
  5. 720

Question 105

An investor receives a total combined return of 7% on his two different investments. On his $10,000 investment he receives a return of 6%. What is the return on his $20,000 investment?

  1. 7.25%
  2. 7.5%
  3. 8%
  4. 8.5%
  5. 9%