The North Carolina DMV test categorized as a vision test and written test. In the vision test, the applicants have to identify the traffic lights colors and road signs. The Written test has 37 questions in which 12 related to road signs, and nine should answer correctly and five questions related to road rules. The applicant has to answer at least 29 questions correct to attain a passing score of 78%.
Go through new versions of the Highway Code and practice all the DMV Permit Tests for several times for better results.