All your missed questions are saved
automatically for extra practice.
It's a practice test that's automatically made up of all your missed questions. Once you finish this test, you’ll be able to revisit your Challenge Bank™ to practice and sharpen your skills.
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View All PlansMO CDL Tanker Vehicles Marathon
- Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
- Based on 2025 MO commercial driver's license manual
- Triple-checked for accuracy
- Updated for July 2025
Got a couple of hours to spare? This Missouri CDL Tanker Vehicles Marathon is a new practice test that contains a combination of all 96 questions that we have available for this MO endorsement. If you make a mistake, we’ll remember that question and will display it to you again at the very end of the Marathon 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”. Good luck!
- Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
- Triple-checked for accuracy
About this test
What to expect on the actual MO DOR exam
questions
correct answers to pass
passing score
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