Bump your Minnesota CDL driving knowledge skills up a notch with our sure-fire practice tests. Cover everything from general knowledge questions to the various add-on categories. It’s as easy as the click of a mouse. Each 20 multiple-choice question test reveals your results and explains missed answers, so you can better your score every time. Are you up for a real challenge? This 20 question test pulls from a bank of 200. Questions are randomized so you never take the same test twice. Take your practicing to the next level so your future in commercial driving can be limitless.