GMAT Reading Comprehension Tests
GMAT Sentence Correction Tests
GMAT Critical Reasoning Tests
GMAT Quant Tests
GMAT Official Guide Tests
Recent GMAT Questions
The Official Guides and the GMAT PrepPractice Tests are pretty close to the real thing, but especially the Official Guide isn’t exactly cutting edge. The GMAC is constantly mixing in new problems into the GMAT question pool, and some of them are a little different from what you may have seen.
Quantitative Topics
Of course, I haven’t seen every actual GMAT question. (And if I had, I’d be forbidden to tell you about them.) I have, however, spoken to many recent test-takers and read dozens if not hundreds of post-test debriefs. Also, I’ve spent a fair amount of time lately digging out as many questions from GMATPrep as I possibly can.
http://www.urch.com/forums/just-finished-my-gmat/119739-gmatprep-reflective-enough-actual-gmat.html
http://www.gmatdaily.com/
http://www.gmathacks.com/study-tips/recent-gmat-problems.html
http://www.beatthegmat.com/
http://www.testprepreview.com/gmat_practice.htm
http://www.takegmat.com/
http://www.educationindex.net/educationarticles/graduateschoolstips/preparegradschool/gmatbusinessexams/samplegmatstestquestions.html
http://www.mba.com/mba/thegmat/gmatscoresandscorereports