The Oklahoma DMV practice test categorized as a vision test, driving test and written test. In the vision test, the applicants have to identify the traffic lights colors and road signs. The Written test has 25 questions, and 20 of them need to answer correctly to gain a passing score of 80% and the eligibility to attend the exam is 15½.
Go through new versions of the Highway Code and practice all the DMV Permit Tests for several times for better results.