Kunle,
When is your exam date? Your score ranges are similar to mine prior to when I took the PMP exam and passed on June 1st. However, I must emphasize that your current scores and preparation provide no guarantee that you will pass the actual exam. I found the actual exam to be harder than any of the simulated exams I took. There were more situational types of questions on the actual exam. The simulator questions are excellent preparation and I know that I would not have passed had I not worked through most of them. If you have time, I strongly recommend that you continue answering as many simulator questions as possible. If you don't have time to take a complete mock exam, then do the shorter 25, 50, 100 question timed exams. Just make sure they are timed though as it is still critical to have the time pressure. Remember to review both your correct and incorrect answers after each exam to increase your learning. Good luck to you and please let us know if you have any other questions.
Mark