I need expert guidance. I have my exam in 10 days and below are my scores and really thinking if I need to reschedule the exam or continue on....

Oliver Lehman 75 questions - 64%

http://passionatepm.articulate-online.com - 75%

 pm-abc.com - 63%

 http://www.preparepm.com/mock1.html - 77% (81 in the next try)

 Head first 200 questions pdf - 74%

 pmp for sure 100 questions - 60% :(