If you prefer 4 wheels then this is the category you should study. The best way to be prepared to take your car on the road. Difficulty level By default the code tests are composed of easy, medium and hard questions. You can however customize the difficulty level of your code test. Official difficulty exam test The test will consist of 30 questions covering all Category B topics and will last for 30 minutes. You can only miss 3 questions to pass the test. What we offer for free real exams Th