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OK CDL Combination Vehicles Marathon

What to expect on the actual OK CDL exam

  • 20questions
  • 16correct answers to pass
  • 80%passing score

Ready to put your new knowledge to the test? This Oklahoma CDL Combination Vehicles Marathon is a massive study tool that contains a compilation of all 133 questions that we have available for this OK endorsement. If you select a wrong answer, we’ll remember that question and will display it to you again at the end of the exam until you’ve answered that question correctly. In other words, the Marathon will cycle through your missed questions until you answer each one correctly. You must make a 100% to pass. We suggest you attempt this one after you have practiced the state’s “regular” tests, but before the “Exam”. Give it your best shot!

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OK commercial driver's license

Perfect for

  • First-time OK CDL and CLP applicants
  • CDL holders adding endorsements
  • OK CDL renewal applicants

Helpful resources

OK CDL Handbook

View the most recent (2023) official OK CDL Handbook.

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OK CDL Practice Test App

Download our free iOS or Android app and practice for your driving test offline or on the go.

10 Things You Should Do Before Your Driving Knowledge Exam (PDF)

Many people do their best but still get to the DMV overconfident and underprepared because they fail to do some of the simple...

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OK commercial driver's license

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