There is no exact number of questions. They grade the thing and then compare all 24,000+ and give out a number between 1 and 15 based on a percent of the test population. In April a 10 would have ment you scored in a range between 70.6-83.3 %. You would have to due better than 70.6% of the 24,000 people. All of the physics on the test is Trig. based and they will give you some of the tougher equations.