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Idaho Class D Knowledge Practice Test
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Passing target: 85% (34/40)
Licensing & Test ReadinessStandalone practice
After failing an Idaho Class D knowledge test, how long must an applicant wait before retesting?
Correct answer: Three calendar days
Why
After a failed Class D knowledge test, wait three calendar days before retesting and pay the knowledge-test fee again.
Verified against Idaho Driver’s Handbook, July 2026 · Knowledge retest wait · p. 32
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