There will be a 3% credit card processing fee Come with your confirmation number or Washington ID. The knowledge exam consists of 40 multiple-choice questions about traffic safety laws. Applicants must answer at least 32 questions correctly to pass the exam. The fee for the knowledge exam is $30 for two attempts. Lesson for knowledge test is $100.00 Knowledge Test Walk in day Seattle on Wednesday from 9.00 am- to 10.30am,1.00 pm to 4.00 pm, 6.30 pm 8.30 pm Please go to DOL website and Register before you come. Kent office Walk in day are Friday at 9.00 am -10.30 am, 1.00 pm -4.00 pm,6.30 pm-8.30 pm Other times by appointment. Pass the knowledge test and go to Washington State DOL location to pick-up your permit.