GMAT Data Sufficiency Prep Course

Every year students pay Dollar 1,000 and more to test prep companies to prepare for the GMAT. Now, you can get the same preparation in a book.

Data Sufficiency problems are not easy. There is no quick fix that will allow you to “beat” the section. But Data Sufficiency math is very learnable. If you study hard and master the techniques in this book, your math score will improve–significantly.

The Data Sufficiency format tests the fundamentals of math more precisely than any other format, such as multiple-choice problems. Once you get used to the format, however, you will find that seemingly hard problems can become quite easy. And though the purpose of this book is not to study math per se you will develop an understanding of the foundations of mathematics that you are unlikely to have gotten in your standard math courses After you have completed the book, the Data Sufficiency format will be your forte.