How many questions are on the South Dakota permit test?

The South Dakota permit knowledge test has 25 questions, and you need 20 correct (80%) to pass. You can apply for a learner's permit at age 14. That is below the median of 30 questions across the 51 states QuizLane tracks — a shorter test, but each wrong answer costs proportionally more.

Are these practice questions official for South Dakota?

No. QuizLane practice items cover core DMV topics published in official state driver manuals. They are designed for study and review and are not endorsed by South Dakota Driver Licensing or any other agency.

Do I need to create an account to practice South Dakota test questions?

No. You can start practicing immediately as a guest. Connecting an account is optional and saves your attempt history across devices.

How should I use QuizLane to prepare for the South Dakota permit test?

Work through practice with instant feedback, read the explanation after every miss, follow the citation back to the official handbook when something is unclear, then finish with an exam-style run once your topic accuracy is steady.

For South Dakota drivers, a BAC of which level is evidence of driving under the influence?

0.08% or more (0.02% if under 21)

In South Dakota, drivers under 21 can be arrested for alcohol impairment at a BAC of:

Any measurable amount only with no numeric threshold

South Dakota seat belt law requires every operator and front-seat passenger of a passenger vehicle on a public highway to:

Wear a properly adjusted and fastened safety seatbelt system

Use a seatbelt only if under 18

Wear a seatbelt only on interstates

South Dakota requires a child passenger restraint system for a child under five, except the requirement is met if the child is under five and:

At least forty pounds in weight (secured in a seatbelt)

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Free South Dakota DMV permit practice test online

Free South Dakota permit practice for road signs, right-of-way, safe driving, and more—with explanations that point back to the official South Dakota Driver Licensing handbook.

The South Dakota permit knowledge test has 25 questions; you need 20 correct (80%) to pass. That is below the median of 30 questions across the 51 states QuizLane tracks — a shorter test, but each wrong answer costs proportionally more.

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Also preparing for a commercial license? South Dakota CDL practice · Study guides

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171questions · 10 South Dakota-specific

16topics

80%study target

The study target is not a guarantee or a claim about your official exam’s passing score.

Official South Dakota permit test

South Dakota DMV permit test facts

Questions

20 of 25

Correct to pass

80%

Passing score

Min. permit age

These figures reflect the standard South Dakota Class D permit knowledge test and can change. Always confirm current requirements with South Dakota Driver Licensing (official source).

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Sample questions

5 South Dakota DMV permit practice questions

Try these South Dakota sample questions now — each shows the correct answer with a plain-language explanation and a source section. The full 171-question bank is in the practice run, including 10 items that test South Dakota law specifically.

1. For South Dakota drivers, a BAC of which level is evidence of driving under the influence?
- A0.05% or more
- 0.08% or more (0.02% if under 21)
- C0.10% or more
- D0.04% or more
Answer: 0.08% or more (0.02% if under 21). The South Dakota Driver License Manual states a Blood Alcohol Concentration of 0.08% (0.02% if under 21 years of age) or more is evidence that you were driving under the influence of alcohol.
Source: South Dakota Driver License Manual — Alcohol and the Law
2. In South Dakota, drivers under 21 can be arrested for alcohol impairment at a BAC of:
- 0.02%
- B0.05%
- CAny measurable amount only with no numeric threshold
- D0.08% only
Answer: 0.02%. The South Dakota Driver License Manual states that if you are under 21, you can also be arrested for alcohol impairment at 0.02%, and describes Zero Tolerance for under-21 drivers at 0.02% to 0.08% BAC.
Source: South Dakota Driver License Manual — Alcohol and the Law / Zero Tolerance
3. South Dakota seat belt law requires every operator and front-seat passenger of a passenger vehicle on a public highway to:
- Wear a properly adjusted and fastened safety seatbelt system
- BUse a seatbelt only if under 18
- CBuckle up only at night
- DWear a seatbelt only on interstates
Answer: Wear a properly adjusted and fastened safety seatbelt system. The South Dakota Driver License Manual cites SDCL 32-38-1: every operator and front seat passenger of a passenger vehicle operated on a public highway shall wear a properly adjusted and fastened safety seatbelt system.
Source: South Dakota Driver License Manual — Seat Belts / SDCL 32-38-1
4. South Dakota requires a child passenger restraint system for a child under five, except the requirement is met if the child is under five and:
- ARiding in the front seat
- BAt least 30 pounds
- At least forty pounds in weight (secured in a seatbelt)
- DAt least 57 inches tall only
Answer: At least forty pounds in weight (secured in a seatbelt). South Dakota Codified Law 32-37-1, as quoted in the Driver License Manual, requires securing a child under five in a child passenger restraint system; the requirements are met if the child is under five years of age and is at least forty pounds in weight by securing the child in a seatbelt.
Source: South Dakota Driver License Manual — Child Passenger Safety Laws / SDCL 32-37-1
5. South Dakota distracted-driving guidance states that texting, reading texts, and social networking while driving is:
- AAllowed under 25 mph
- BAllowed for adults only
- CAllowed with one hand
- Prohibited by state law
Answer: Prohibited by state law. The South Dakota Driver License Manual states texting, reading texts, and social networking is prohibited by state law.
Source: South Dakota Driver License Manual — Distracted Driving

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Official source hub

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QuizLane’s starter material points learners back to the agency responsible for licensing in South Dakota. Rules and manuals can change; the official agency remains authoritative.

Visit South Dakota Driver Licensing

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