Missouri Permit Practice Test 3
25 questions written from the Missouri Driver Guide, with an explanation and page citation for every answer.
In Missouri, it is illegal for a driver 21 or older to drive a car with a blood alcohol content (BAC) of:
Keyboard: press 1–4 or A–D to answer, Enter for the next question, S to save, R to read aloud, P to pause reading, L to listen and answer.
About this test
These questions were written from the Missouri Driver Guide (Revised August 2026). 12 of the 20 Missouri questions in this test cover rules that are specific to Missouri or differ between states. Every answer comes with an explanation and a link to the exact page it comes from, so you can check it yourself.
Your answers are saved in this browser. Questions you miss go to My mistakes so you can practice them again.
Sample questions from this test
In Missouri, it is illegal for a driver 21 or older to drive a car with a blood alcohol content (BAC) of:
- A 0.10% or more
- B 0.04% or more
- C 0.08% or more
- D 0.02% or more
Show answer
C. 0.08% or more
Missouri's limit for adult drivers is 0.08% BAC. Even one drink can affect your driving, and two drinks may put you over the limit.
Source: Missouri Driver Guide, page 73
Your brake pedal suddenly sinks to the floor. What should you do first?
- A Pull the parking brake as hard as you can
- B Pump the brake pedal fast and hard several times
- C Turn off the ignition at once
- D Shift into reverse
Show answer
B. Pump the brake pedal fast and hard several times
If your brakes fail, pump the pedal fast and hard. If that fails, use the parking brake gradually and shift to a low gear, then get off the road and call for help.
Source: Missouri Driver Guide, page 66
How far ahead of a turn should you signal?
- A At least 50 feet
- B At least 200 feet
- C At least 100 feet
- D Just as you begin turning
Show answer
C. At least 100 feet
Signal at least 100 feet before you turn so other drivers can prepare. If there are driveways or side streets before your turn, wait until you have passed them to signal.
Source: Missouri Driver Guide, page 26
What is the minimum fine for a first offense of speeding or passing in a Missouri work zone?
- A $100
- B $300
- C $250
- D $500
Show answer
C. $250
Speeding or passing in a work zone brings a minimum $250 fine for a first offense and $300 for a later one, on top of other fines. Workers are close to traffic, so slow down.
Source: Missouri Driver Guide, page 53
A five-sided (pentagon) sign warns you about:
- A A railroad crossing
- B A no passing zone
- C A school zone
- D A sharp curve
Show answer
C. A school zone
The pentagon shape means school. When you see it, slow down and watch for children crossing.
Source: Missouri Driver Guide, page 47