I was nervous about the algebra and geometry portions, but these practice tests showed me exactly what to expect. The explanations after each section helped me understand where I was messing up. Worth every penny. Walked out of the exam feeling confident I passed, and I did.
OAR Practice Test
Your Proven Shortcut to Officer Aptitude Rating test Success
Get exam-style questions, detailed explanations, and realistic timing to master the latest U.S. Navy, Marine Corps, and Coast Guard. Prepare OAR practice test then walk into your Public Service and Legal exam with confidence.
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How Our Practice Exam Works?
Study wherever, whenever with these quiz practice questions for OAR:
Pick a Mode
You can choose Study Mode for course preparation and Exam Mode (timed 90-minute) for simulation.
Realistic Mix
OAR exam questions reflect both multiple-choice and scenario/performance-style prompts aligned to exam objectives.
Detailed Explanations
Every question includes a clear explanation, so you know why an answer is correct.
Domain Analytics
See strengths/weaknesses by the domains & sub-topics to focus your revision.
Reattempts
Retake Officer Aptitude Rating test practice exam to improve your speed and accuracy; watch your score trend toward the benchmark.
Exam Simulator
Get a feel for the real exam with our U.S. Navy, Marine Corps, and Coast Guard practice test.
Why Choose ExamsDR for OAR Practice Questions
Train the way you'll be tested. With the most clinically accurate, expertly written question bank, you’ll build the speed, accuracy, and confidence needed to pass the Officer Aptitude Rating test on your first attempt.
- 1. Practice & Exam modes to switch between learning and testing
- 2. Detailed answer explanations for every question
- 3. Instant scoring & feedback to show what you missed and why
- 4. Smart dashboard to track strengths, weaknesses, and progress
- 5. Study anywhere with mobile-friendly design
- 6. Updated OAR questions bank to match the latest exam changes
- 7. Free practice test to start - no credit card required
Real Exam Feel
Mock Exam/Study modes, question flagging, and instant or end-of-exam feedback.
Smarter Analytics, Faster Improvement
Trend charts so you can see when you're consistently above the passing scrore.
Quality You Can Trust
Clear, teach-back explanations with why the correct answer is right and why others aren't.
Frequently Asked Questions
What is the OAR exam?
The Officer Aptitude Rating (OAR) is a subset of the ASTB-E used by the Navy, Marine Corps, and Coast Guard to evaluate officer candidates. It measures technical aptitude through three sections:
- Math Skills
- Reading Comprehension
- Mechanical Comprehension
What is a good OAR score?
OAR scores range from 20 to 80. While a 35 is often the minimum qualifying score, a "good" competitive score is typically 45 to 50 or higher, depending on the specific officer community and current accession requirements.
What math topics are on the OAR?
The Math Skills section covers arithmetic, basic geometry (angles, perimeter, area), and college-level algebra. Expect questions on fractions, exponents, roots, and data analysis. Word problems often require setting up equations to solve for unknown variables.
How can I improve my Reading score?
Practice active reading strategies, such as identifying the "topic sentence" and "concluding thought." Familiarizing yourself with military-style writing, like NAVADMINs or official instructions, can also help you get used to the dense, formal tone often found in the test.
What does the Reading section test?
This section assesses your ability to analyze and interpret written information. You will read short, technical or administrative passages and must identify main ideas, make logical inferences, or determine which statement is directly supported by the text.
What is on the Mechanical section?
This subtest evaluates your grasp of basic physics and mechanics. Topics include fluid dynamics (pressure/volume), electrical circuits, engine components, and simple machines like pulleys, gears, and levers. Many questions use diagrams to illustrate mechanical scenarios.
How should I study for Mechanical?
Focus on visual learning. Review high school physics "Mechanics" chapters and watch videos on how engines, hydraulic systems, and circuits function. Practice identifying the center of gravity and predicting the movement of objects in diagrams.
How do I register for the OAR?
You must contact a military recruiter (Navy, Marine Corps, or Coast Guard) to schedule your exam. It is administered at Navy Recruiting Districts (NRD), Marine Corps Officer Selection Offices (OSO), or select NROTC units.
How should I prepare for the OAR?
Effective preparation involves taking Examsdr OAR practice tests to simulate the computer-adaptive format. Focus heavily on college-level algebra, physics-based mechanical principles, and reading technical passages. Using study guides and military-specific forums like Air Warriors can provide valuable "gouges" and tips.
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Discover how our OAR practice tests have empowered countless students to pass their exams with ease.
Darius Fry
Clarissa Swanson
Best investment for my OAR prep. The practice questions for mechanical comprehension gave me the confidence boost I needed. I focused heavily on the math sections since it had been years since I'd done algebra. Took the exam last month and passed. These tests work.