Want to earn money to carry machine parts or crude oil across the state? In this case, you'll need a commercial driver's license. Fortunately, North Dakota is one of the cheapest states in the country when it comes to the knowledge exam ($5) and the road test ($5). Here's a list of questions you'll need to answer after entering yourself in for the relevant tests; •Class A - 70 questions (50 general knowledge and 20 specific)•Class B - 50 questions •Class C - 50 questions After completing this examination, you'll also have to face more skills tests for endorsements such as hazardous materials, air brake restriction removal, passenger buses, school buses, tank vehicles, and doubles/triples. What's the best way to prepare for all these tests? With our superb practice questions and cheat sheets. Since our questions mimic those in the real exam, our CDL resources are among the best and you'll be holding a license in your hand in no time.