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All residents who operate a motor vehicle on any South Dakota street or highway must have an South Dakota driver’s license or learner's permit. To obtain an instruction permit, you must be at least 14 years of age and pass the vision and knowledge test. The South Dakota written test covers the contents of the South Dakota Driver's Manual, and includes questions on safe driving practices, road rules, road signs and signals. The SD DMV knowledge test consists of 25 questions, and you must score 80% or higher (at least 20 correct answers) to pass. Practice with this sample DMV test to get ready for the official South Dakota written test.
1. If you've had a few beers, the effects of alcohol will be reduced only by:
waiting several hours.
getting a cup of coffee.
taking a cold shower.
2. Which of the following substances can affect the ability to drive?
Cold tablets containing codeine or antihistamines.
Tranquilizers and sedatives.
All of the above.
3. When entering a freeway, you should check traffic by:
using both the inside and outside mirrors.
using the inside mirror.
using the side mirror and looking over your shoulder.
4. This road sign means:
divided highway ends sign
Curves ahead
Divided highway ends
Divided highway ahead
5. This road sign means:
no u turn sign
Drivers cannot make a complete turn to go in the opposite direction.
Left turns are not allowed where this sign is displayed.
Vehicles turning left must make a U-turn.
6. When is it safe to pass another vehicle?
When you are entering a curve and there are no oncoming vehicles.
When you are driving through an intersection and there are no oncoming vehicles.
When signs and/or markings permit passing other vehicles.
7. What should drivers do in case of a brake failure?
Shift to a lower gear.
Brake lightly.
Tie a white cloth on the left door handle.
8. Before making a left turn from a one-way street, you must:
be in the lane closest to the right curb.
be in the lane closest to the left curb.
be in the lane closest to the center of the street.
9. If your brakes are wet, you can dry them by:
Increasing your speed while obeying the speed limit.
Lightly pressing the gas and brake pedals at the same time.
Pulling over to the right and wait until it stops raining.
10. When an aggressive driver confronts you, you should:
Remain calm and relaxed.
Try to move away safely.
All of the above.
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SD DMV Written Test Facts

Number of questions: 25
Correct answers to pass:20
Passing score:80%
Minimum age to apply: 14
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