1. Math Skills Test (MST)
Key exam domainIdentify weak areas and improve with focused review.
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Free OAR Practice Test
Pass the Officer Aptitude Rating (OAR) exam with confidence.
Start with a free OAR practice test and build exam-ready confidence for the Officer Aptitude Rating (OAR) exam.
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1000+OAR Questions
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Everything your OAR certification prep needs
Practice expert-vetted questions, find your weak domains, and turn every mistake into a focused review plan.
Expert-vetted questions
Every question is reviewed by an experienced OAR professional for clarity, accuracy and practical exam relevance.
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Domain analytics show which parts of the exam blueprint are holding you back.
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2. Reading Comprehension Test (RCT)
Key exam domainIdentify weak areas and improve with focused review.
Start Practicing3. Mechanical Comprehension Test (MCT)
Key exam domainIdentify weak areas and improve with focused review.
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Frequently asked questions
Straight answers about the OAR exam, the questions, pricing, the free trial, and how this fits your prep.
The OAR exam spans 3 domains - Math Skills Test (MST), Reading Comprehension Test (RCT), and Mechanical Comprehension Test (MCT). Every practice question maps to one of them, so you train on exactly what's tested.
No - and that matters. These are original practice questions written to mirror the style, difficulty, and domain coverage of the OAR exam blueprint. We never distribute actual exam content, so practicing here keeps you fully compliant with official exam policies.
No. OAR Exam Prep is an independent study resource for Officer Aptitude Rating (OAR). It is not affiliated with, sponsored by, or endorsed by the official certifying body or exam administrator.
Every paid plan unlocks the full bank of 1,000+ practice questions covering all 3 OAR domains - Math Skills Test (MST), Reading Comprehension Test (RCT), and Mechanical Comprehension Test (MCT). You can practice the whole bank, filter by domain, or run a timed, domain-balanced exam simulation.
Yes - the bank is maintained against the current exam outline, and questions are revised when the exam changes.
No honest practice platform can guarantee a pass. What realistic practice does is show you - before exam day - exactly which domains are weak, and give you the repetitions to fix them. That's the difference between hoping you're ready and knowing where you stand.
Yes. You get 10 free sample questions with instant feedback - no credit card and no account required.
The free sample shows you the question quality. Paid plans unlock the full 1,000+ question bank, exam-style practice modes, mistake review, and - on Fast Track and Pass Confidence - progress analytics that show your readiness by domain.
No. Every plan is a single one-time payment for a fixed access window - 48 hours, 7 days, or 6 weeks. There is no auto-renewal and no recurring billing.
Match it to your exam date: Final Review (2 days) for an exam in the next day or two, Fast Track (7 days) for an exam this week, Pass Confidence (6 weeks) for a structured run-up.
For most countries, the price you see is exactly what you pay - tax is already included. Where local law requires it to be added separately, it's shown clearly at checkout before you pay, so there are never any surprise fees.
Access is instant after payment and runs for your plan's full window from that moment. When the window ends, your local progress stays on your device - you can buy another window any time and pick up where you left off.
Yes - the whole platform is mobile-first: practice, mistake review, and analytics all work on any phone, tablet, or laptop with a browser. Nothing to install.
Every answer feeds your per-domain accuracy, readiness score, and weak-area list. Instead of re-reading everything, you drill the domains that are actually costing you points - that's what moves a score in days, not months.
Chat with us any time - the 24/7 support chat in the corner of every page gives instant answers about plans, access, and billing. Prefer email? The contact link is in the footer. Payments are processed securely by Stripe, and active customers can download an invoice from their profile page.
Make sure you're signed in with the same email you used at checkout - access activates within a minute of payment. If it still doesn't appear, email us from the contact link in the footer and it'll be sorted out.
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Flip, grade yourself, and repeat the tough ones until they stick.
Train with flashcards →Review Mistakes
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For candidates with 2-6 weeks before exam day - the complete, confident way to prepare.
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Real feedback from OAR candidates on Reddit.
"was lowkey panicking two weeks out cause i hadnt touched math since high school. did the practice questions on oarexam.com every night after work and it actually got me comfortable with the mechanical comprehension stuff. scored way better than i expected honestly."
"put this off for way too long, kept telling myself id study eventually. finally sat down with a prep site about 10 days before my test date. the reading comprehension section always wrecked me on practice tests but doing timed passages every day made a real difference. relieved more than anything."
"math was my weak spot, hadnt done algebra in years and it showed on my first diagnostic. worked thru a bunch of practice sets and the mistake review helped me see i kept messing up the same type of problem. passed with a score my recruiter seemed happy with."