Ace the GMAT(R) with the only official study guides from the creators of the exam With 25% brand new content, The Official Guide for the GMAT Quantitative Review 2016 is the only official study guide focusing on the quantitative portion of the GMAT(R) exam. It delivers more than 300 retired questions from the GMAT(R), complete with answer explanations, to help focus your test preparation efforts. Also includes exclusive online resources: Build your own practice tests with exclusive online access to 300 problem solving and data sufficiency questions from official GMAT exams Exclusive access to videos with insight and tips on GMAT preparation from previous test-takers and from the officials who create the test.