This will be our very important tip, going straight to the source will definitely help you pass the written test on your first try. Go to DMV website and take the practice written test.But do not worry, here are helpful tips that will help you pass the written exam. Seeing this number makes you want to just quit or push back your written exam schedule. According to studies, around 70% of first time DMV written exam takers fail because of several reasons: Lack of preparation, nervousness, blanking out during the exam, etc.