Here is a list of free PMP exam preparation practice questions, and Simulators. Many of the free questions on web are based on PMBOK3. Here is a list of few updated one. I have tried to limit list to the ones that provide reasonable quantity of free questions.
Oliver’s Free online 75 questions test – Good quality 75 questions test
Oliver’s 175 questions test PDF download – Good quality 175 question test
http://pmpbank.googlepages.com/pmpquestionbank – 200 questions, No explanation for answers
voightps.com questions – Good quality questions in set of 10, Keep doing test for new questions
headfirst simulated test – Good quality 200 qs test
pmstudy simulated test – Good quality 200 qs test
techfaq360 free 200q test – 200 qs mock test
ajithn questions – over 200 qs, can also try shorter tests
pmpexamsimulator free demo – Free 50q demo
passpm 50qs demo test – Free 50 qs demo
pm-abc free simulated test – 100 qs test, good quality
certchamp 200qs – free 200qs
pmprepare 200 qs – free 200 qs
passionatepm free 200 qs – 200 qs
crosswindpmtv mock test – free 220 qs test
