Hi guys, I did the Knewton GMAT on-demand course. Now I'm prepping with the Review 12th edition. I have done the PS section and I feel like it's kinda easy compared to what questions I got during the Knewton lessons. I mean in the Review book it says that those are real GMAT questions, I just don't know how to relate the difficulty with Knewton to what I will end up getting on a real test. Anyone experience, thoughts? Thanks, appreciate it! Volker
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