Written by Jeff Kolby,Derrick Vaughn,Kunda Vamsidhar.
Total twenty-three chapters provide the most thorough review of GRE math available. It includes 164 examples and more than 600 exercises! Arranged from easy to medium to hard to very hard. The diagnostic test measures your strengths and weaknesses and directs you to areas you need to study more. These are pairs of similar problems in which only one property is different. They illustrate the process of creating GRE questions.