Louisiana · Permit Test Answers
Louisiana permit-test facts: Questions: 40; To pass: 80% minimum; Minimum age: 15 years old for a learner's permit; a Temporary Instructional Permit may be issued at 14; Fee: $32.25 basic license fee; up to $6 service fee may apply; Re-takes: Ordinary knowledge-test retake timing and attempt limit are not stated in the reviewed official source.; Official handbook: Louisiana Class D & E Driver's Guide.
Looking for the Louisiana permit test answers? Here's what most "answer key" sites won't tell you: the DMV rotates its question bank, so memorizing a leaked answer sheet won't pass you. What works is understanding "why" each answer is correct — that's exactly what this study guide does.
Below you'll find sample questions with full answer explanations, the most-missed rules from the Louisiana Class D & E Driver's Guide, and a free 6-question demo you can take right now.
Louisiana permit-test facts: Questions: 40; To pass: 80% minimum; Minimum age: 15 years old for a learner's permit; a Temporary Instructional Permit may be issued at 14; Fee: $32.25 basic license fee; up to $6 service fee may apply; Re-takes: Ordinary knowledge-test retake timing and attempt limit are not stated in the reviewed official source.; Official handbook: Louisiana Class D & E Driver's Guide.
Each field links to the primary official source used for its review. A field marked not stated means the reviewed source did not publish that requested fact; confirm current application details with the authority.
| Fact | Answer | Evidence status |
|---|---|---|
| Questions | 40 | Verified against cited official source |
| To pass | 80% minimum | Verified against cited official source |
| Minimum age | 15 years old for a learner's permit; a Temporary Instructional Permit may be issued at 14 | Verified against cited official source |
| Fee | $32.25 basic license fee; up to $6 service fee may apply | Verified against cited official source |
| Re-takes | Ordinary knowledge-test retake timing and attempt limit are not stated in the reviewed official source. | Not stated on the cited official page |
| Official handbook | Louisiana Class D & E Driver's Guide | Verified against cited official source |
Official source
Field evidence reviewed: 2026-09-14 (retrieved)
Three sample questions from our practice bank. Read the explanation after each.
Question 1 · Permit requirements
How many questions are on the Louisiana knowledge test?
Correct answer: 40 questions
Louisiana knowledge test: 40 questions, need 32 correct (80%) to pass.
Question 2 · Alcohol and drugs
In Louisiana, what is the blood alcohol concentration (BAC) limit for drivers under 21?
Correct answer: 0.02% or greater (zero tolerance)
Louisiana zero tolerance: drivers under 21 face penalties with any detectable BAC.
Question 3 · Vehicle lights
According to the Louisiana Driver's Guide, when must you turn your headlights on?
Correct answer: 30 minutes after sunset to 30 minutes before sunrise
Louisiana headlights: required from 30 min after sunset to 30 min before sunrise, and in low visibility.
Your first full mock exam is free.
The DMV does not publish its answer key — and any site claiming to have it is either outdated or making it up. The legitimate way to "know the answers" is to learn the rules from the Louisiana Class D & E Driver's Guide and practice with handbook-aligned questions, like the ones on this site.
Our questions are written from the same source material (the Louisiana Class D & E Driver's Guide) and follow the same rules and reasoning. You'll learn the underlying rule, so when the DMV asks the same concept with different wording, you'll still get it right.
Memorizing answers fails the moment the wording changes. AI explanations build understanding — so when you see a similar concept on the real test, you'll reason your way to the answer instead of guessing.
At least 150 Louisiana practice questions, with 3 consecutive mock exams scoring 90%+. At that level, the real Louisiana test rarely contains anything you haven't already seen the rule for.
Start with a free practice exam. No card, no commitment.
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See the mistakes almost every repeat test-taker makes, and the simple fixes that actually work.
Comparison · 4 min
Handbook vs. Practice Tests: What Actually Helps You Pass?
The handbook builds understanding; practice tests reveal gaps. Use both, in the right order.
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How Many Questions Are on the Permit Test (and the Passing Score)?
It varies by state, but most written permit tests run 25–50 questions with a passing score around 80%. Here are the numbers.
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