Free online driver's permit practice tests and answers are available at Driving-Tests.org. The website has interactive driving permit tests for all 50 states. The test questions are based on the DMV manual from each state.
Driving-Tests.org has several different tests for each state so that users are prepared for the permit exam and have an understanding of the rules of the road. Most tests contain 40 questions that are very similar to the questions on the DMV exam. The website also has tests for road signs, road situations, fines and limits. The road sign test can be taken in image-only format or with true/false questions. Some tests are available in Spanish. The Marathon Practice Test has 150 questions and contains all of the practice test questions for the state.