Hi, I have my Aptitude test tomorrow Morning lol. I know Its on Physics, Chemistry, and Bio. I have reviewed a A little Bit, but I studied this stuff so long a go so don't have books to review from. I'm Kinda worried that I will fail and wont get in to Dow International. Can someone tell me how many questions are on it. What percent I need to get on it in order to Pass, to get accepted to College. Someone relieve my stress some how and guide me so I can Pass PLEASE!!