Hi there, i just started preparing for GMAT. i found this website very interesting and useful. I am using OG and attanding preperation program at PACE. I have one question for now , how can i determine the % from the book? for instance, i got 70 answers correct out of 100 from SC section. Unfortunately i dont have any OG CD-rom.it did not come with my book. Please reply.Thank you in advance.
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