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South Dakota DPS permit practice test 9

25 questions written from the South Dakota Driver License Manual, covering safe and defensive driving, road signs, sharing the road, licensing laws and penalties. Pick an answer to see straight away whether you're right and why.

25 questions
  1. Question 1Which mirror is the primary mirror for viewing to the rear?

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    C: Inside rearview mirror. The inside mirror is the primary mirror for the view to the rear; adjust it to frame the rear window. South Dakota Driver License Manual: Adjusting Your Mirrors, page 25.

  2. Question 2This yellow diamond sign shows an arrow bending gently to the right. What does it mean?

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    B: The road curves to the right ahead. A gently bent arrow is the right curve warning; slow to a safe speed before you enter the curve. South Dakota Driver License Manual: Warning Signs, page 33.

  3. Question 3A truck making a right turn swings wide to the left. What should you do?

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    B: Do not turn until the truck has completed its turn. Don't get between the truck and the curb; do not turn until the truck or bus has completed its turn. South Dakota Driver License Manual: Turning, page 63.

  4. Question 4If you fail a South Dakota driver license test, when may you retest?

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    B: Not before the next working day. If you fail any test, you may not re-test before the next working day. South Dakota Driver License Manual: Unsuccessful Examinations, page 10.

  5. Question 5Who must wear a seat belt in South Dakota under the law described in the manual?

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    B: Drivers and front-seat passengers (and children under 18). It is illegal to drive or be a front-seat passenger without a seat belt; the law also covers children under 18. South Dakota Driver License Manual: Using Seatbelts, page 25.

  6. Question 6A yellow diamond sign shows a red octagon with an arrow. What does it tell you?

    yellow and black and red diamond road sign
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    A: A stop sign is ahead; be ready to stop. This is the stop ahead warning. It gives you time to slow down for a stop sign you cannot see yet. South Dakota Driver License Manual: Warning Signs, page 33.

  7. Question 7When you meet a truck coming from the opposite direction, what should you do?

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    B: Keep as far right as possible. Keep as far right as possible to avoid a sideswipe and reduce wind turbulence that pushes vehicles apart. South Dakota Driver License Manual: Turning, page 63.

  8. Question 8What happens if someone is caught cheating on the knowledge test?

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    B: They must wait at least two weeks to test again. Anyone caught cheating must wait a minimum of two weeks before testing again. South Dakota Driver License Manual: Required Noncommercial License Tests, page 10.

  9. Question 9Children under what age must be secured in a child passenger restraint system in South Dakota?

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    B: 5. Operators transporting a child under five must secure the child in a child restraint (or a seat belt if the child is at least 40 pounds). South Dakota Driver License Manual: Child Passenger Safety Laws, page 27.

  10. Question 10A yellow diamond sign shows a red, yellow and green traffic light. What does it mean?

    yellow and black and red and green diamond road sign
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    B: A traffic signal is ahead. It warns of a traffic signal ahead so you are ready to stop if the light is red or changing. South Dakota Driver License Manual: Warning Signs, page 33.

  11. Question 11Why do many intersections have stop lines set farther back?

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    B: To give larger vehicles more turning space. Stop lines set you farther back to give larger vehicles more turning space; always stop behind them. South Dakota Driver License Manual: Turning, page 63.

  12. Question 12Within how many days of becoming a resident must a holder of a valid out-of-state (non-commercial) license apply for a South Dakota license?

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    C: 90 days. You must apply within 90 days of establishing residency (30 days for CDL holders). South Dakota Driver License Manual: Licensing Requirements, page 5.

  13. Question 13A child under 5 weighs 42 pounds. How may the child be secured?

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    B: A seat belt satisfies the law if the child is at least 40 pounds. The requirement is met for a child under five who weighs at least forty pounds by using a seat belt. South Dakota Driver License Manual: Child Passenger Safety Laws, page 27.

  14. Question 14A yellow diamond sign shows two lanes narrowing into one. What should you do?

    yellow and black diamond road sign
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    B: Be ready to merge because a lane ends ahead. This lane ends sign means the road loses a lane ahead. Adjust your speed and merge smoothly. South Dakota Driver License Manual: Warning Signs, page 33.

  15. Question 15What may indicate a runaway truck or bus?

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    B: Smoke coming from the brakes. Smoke from the brakes may indicate a runaway truck or bus; get out of the way. South Dakota Driver License Manual: Runaway Truck Ramps, page 64.

  16. Question 16How long is a South Dakota driver license valid?

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    B: 5 years. Your driver license is valid for 5 years. South Dakota Driver License Manual: Driver License Renewal, page 12.

  17. Question 17Children of what age should ride in the rear seat to avoid air bag injury?

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    C: 12 and younger. Children age 12 and younger should sit in the rear seat. South Dakota Driver License Manual: Child Passenger Safety Laws, page 26.

  18. Question 18A yellow diamond sign shows a second lane joining your road from the side. What does it warn of?

    yellow and black diamond road sign
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    A: Merging traffic ahead. It warns that traffic will merge into your road ahead, so watch for vehicles entering and adjust your speed or position. South Dakota Driver License Manual: Warning Signs, page 33.

  19. Question 19About how far does the tail of an articulated bus swing out?

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    B: About 3 feet. The tail swing on articulated buses is approximately 3 feet. South Dakota Driver License Manual: Bus Related Issues, page 64.

  20. Question 20How early may you renew a South Dakota license (if not turning 21)?

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    C: 180 days before. You may renew up to 180 days before the license expires, unless you are turning 21. South Dakota Driver License Manual: Driver License Renewal, page 12.

  21. Question 21Where should a rear-facing child seat never be placed?

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    B: In front of an active passenger air bag. A rear-facing child seat is never placed in front of an active passenger air bag. South Dakota Driver License Manual: Child Passenger Safety Laws, page 26.

  22. Question 22A yellow diamond sign shows a car with wavy skid marks behind it. What does it mean?

    yellow and black diamond road sign
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    B: Road slippery when wet. It is the slippery when wet sign. Slow down when the pavement is wet, because your tires grip less. South Dakota Driver License Manual: Warning Signs, page 33.

  23. Question 23You see an inter-city bus ahead that will stop frequently. What does the manual suggest?

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    B: Move to another lane before the bus stops. 'Read the road' and move to another lane before the bus stops. South Dakota Driver License Manual: Bus Related Issues, page 64.

  24. Question 24What test is always required when you renew a South Dakota license?

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    B: A vision test. You will be required to take a vision test when renewing; an expired license also requires a knowledge test. South Dakota Driver License Manual: Driver License Renewal, page 12.

  25. Question 25Until about what age should an infant ride in an infant car carrier?

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    A: Until about 9 months, when the child can sit well alone. Use the carrier from birth until the child can sit well alone, at about 9 months. South Dakota Driver License Manual: Child Passenger Safety Laws, page 27.

Answer every question to see your score.

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How to use these tests

Read each explanation, even when you get the question right: it tells you the rule and the handbook section, so you can look it up. Your answers are saved in this browser only, so the weak spots mode can give you more questions on the topics you miss. When you're scoring well, take the exam simulator: it uses 25 questions at the DPS's pass mark, since it doesn't publish the number of questions.

Our own questions, written from the South Dakota Driver License Manual and checked against it. Not affiliated with the South Dakota Department of Public Safety, Driver Licensing Program. Found a mistake? Tell us.