This is a discussion on The Official Guide for GMAT, 11th Edition within the GMAT forums, part of the International MBA category. The Official Guide to the GMAT is one of the best sources for questions. It contains questions that actually appeared on previous administrations of the GMAT. Even though you won’t see these exact questions on the exam in the future, you can be sure you’ll see some questions that are very similar. GMAT Prep Software is another good choice. Comprised of actual questions that have appeared on previous exams, it contains two full-length practice exams as well as tutorials on various components of the GMAT.