Free OAR Exam Prep
Officer Aptitude Rating (OAR)
Pass your OAR exam without spending hundreds on expensive prep courses. Free study guides, practice questions, and AI-powered learning.
Quick Facts
OAR Professional License: Complete Roadmap
Follow this path to maximize your chances of passing on the first try
Phase 1: Math Core RepairYou are here
Rebuild arithmetic, algebra, geometry, and data-analysis speed without a calculator.
Phase 2: Reading Precision
Drill passage-based detail, main-idea, and inference questions using evidence-only reasoning.
Phase 3: Mechanical Fundamentals
Master force, motion, fluids, pressure, electricity, gears, pulleys, and simple machines.
Phase 4: Timed Mixed Sets
Blend all three subtests under realistic pacing and review every miss by concept.
Can You Take the OAR Exam?
Check if you meet the basic eligibility requirements
- •Non-aviation applicants often take only the OAR; aviation applicants usually need the full ASTB-E
- •No calculator allowed; scratch paper and provided formulas are used instead
- •Current ASTB/OAR guidance is English-only and computer-adaptive in APEX
- •Current guidance states the most recent attempt replaces all prior scores
OAR Quick Facts
Time to Get Licensed
4-8 weeks for most candidates
From start to license in hand
Exam Provider
Navy Medicine Operational Training Command / authorized ASTB APEX testing sites
Retake Policy
Current Navy Medicine guidance states a three-attempt limit on the current OAR/ASTB-E series and at least 30 full calendar days before retesting; confirm current timing with your recruiter.
Total Cost Breakdown
Free OAR Prep That Actually Works
The official pass rate is Navy does not publish a single national OAR pass rate.. Our students do better.
200 Practice Questions
Full coverage for OAR math, reading, and mechanical reasoning.
AI-Powered Learning
Review worked explanations for calculations, passage analysis, and mechanical setups.
2026 Updated
Aligned to current APEX delivery and current MyNavyHR program-authorization guidance.
Free Access
Practice OAR questions at no cost with detailed answer explanations.
What You'll Study
5 chapters covering everything you need to pass
10 free AI interactions per day
OAR Exam Details
Officer Aptitude Rating (OAR)
Administered by Navy Medicine Operational Training Command / Naval Aerospace Medical Institute
Exam Content Breakdown
Based on the official Navy Medicine Operational Training Command / Naval Aerospace Medical Institute content outline
Arithmetic, algebra, geometry, and data-analysis reasoning under no-calculator conditions.
Main idea, direct detail, and inference questions drawn strictly from short passages.
High-school physics style reasoning on forces, fluids, pressure, electricity, engines, gears, and simple machines.
What's Included
5 Chapters
Complete exam coverage
Practice Quizzes
With detailed explanations
Free to Start
No credit card required

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What's Next After the OAR?
After passing the OAR, you can pursue these career paths
AFOQT
Comparable officer-selection exam for Air Force and Space Force applicants.
ASVAB
Military aptitude route used primarily for enlisted qualification and job placement.
PiCAT
At-home pre-enlistment adaptive testing path that feeds into ASVAB verification.
OAR Exam FAQ
Official Navy Medicine Operational Training Command / Naval Aerospace Medical Institute Resources
Verify information with these official sources
More Free Resources
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