Hi, I am around 20 days away from my real PMP exam in most of the mock test I have been scoring around 80% but yesterday I took Oliver Lehman's mock 175 question exam and scored 74.85% any advise as I am not happy with my result, how much people on an average score in this mock test I have heared it is too tuff incomparioson to what is actual PMP exam. any comments please. Thanks.