The official guide for GMAT review 2015

This is the only official study guide focusing on the quantitative portion of the GMAT exam. It delivers more than 300 retired GMAT® questions and answer explanations from the creators of the test to help focus your test preparation efforts.
New to The Official Guide for GMAT® Quantitative Review 2015: Online access to 300 Problem Solving and Data Sufficiency questions allowing the creation of customized practice tests. Exclusive access to videos from real test takers and GMAC staff who share insight and tips on GMAT® preparation.