Study guide

RCT Overview and Core Strategies

OAR Officer Aptitude Rating

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1 Introduction to the OAR

About the OAR Who Takes the OAR and Why Study Plan and Test-Day Strategy

2 Math Skills Test (MST)

Arithmetic Fundamentals Fractions, Ratios, and Proportions Percentages and Real-World Applications Algebra Essentials Geometry Foundations Word Problems, Statistics, and Data Interpretation

3 Reading Comprehension Test (RCT)

RCT Overview and Core Strategies Main Idea and Purpose Questions Detail, Fact, and Inference Questions Vocabulary in Context and Author Tone Advanced Reading Strategies and Passage Types RCT Practice Passages and Questions

4 Mechanical Comprehension Test (MCT)

Forces and Newton's Laws of Motion Energy, Work, and Power Simple Machines and Mechanical Advantage Gears, Belts, and Rotational Motion Fluids, Pressure, and Hydraulics Electricity, Circuits, and Magnetism Motion, Heat, and Thermodynamics MCT Practice Problems and Review

5 Full Practice Tests and Final Review

Practice Test: Math Skills Practice Test: Reading Comprehension Practice Test: Mechanical Comprehension Final Review and Test-Day Preparation

RCT Overview and Core Strategies

Key Takeaways Explain This Topic AI

The OAR Reading Comprehension Test has 20 questions in 30 minutes — approximately 90 seconds per question including reading time.

Every correct answer is directly supported by the passage text — do not rely on outside knowledge.

The RCT tests comprehension, not memorization — read for structure, main idea, and tone rather than details.

Reading the questions before the passage helps you read with purpose and find answers faster.

The RCT is generally considered the most accessible OAR subtest — strong performance here can compensate for weaker areas.

Last updated: March 2026

The OAR Reading Comprehension Test (RCT) gives you 20 questions in 30 minutes . Each question is based on a short passage, and your job is to extract the correct answer from the text. This section tests your ability to understand, analyze, and draw conclusions from written material — a critical skill for military officers who must digest orders, reports, and technical documents quickly and accurately.

Section Snapshot

  • Detail Specification
  • Questions 20
  • Time limit 30 minutes
  • Time per question ~90 seconds (including reading)
  • Format Passage followed by multiple-choice questions
  • Passage topics Science, history, social science, military, general knowledge
  • Calculator Not applicable
  • Key skill Evidence-based reading, not outside knowledge
  • The Five Question Types

Every RCT question falls into one of these categories:

  • Question Type What It Asks Key Signal Words
  • Main Idea Central point or purpose of the passage "mainly about," "primary purpose," "best title"
  • Detail/Fact Specific information stated in the passage "according to the passage," "the author states"
  • Inference Logical conclusion based on passage evidence "implies," "suggests," "can be inferred," "most likely"
  • Vocabulary in Context Meaning of a word as used in the passage "as used in the passage, ___ means"

Author Purpose/Tone Why the author wrote the passage or their attitude "author's tone," "purpose of mentioning," "attitude toward"

  • The Two-Pass Reading Strategy
  • First Pass: Skim for Structure (30-45 seconds)
  • Step Action
  • 1 Read the first sentence of the passage carefully
  • 2 Read the first sentence of each paragraph
  • 3 Read the last sentence of the passage
  • 4 Note the overall topic and structure

This gives you a mental map of where information lives so you can locate answers quickly.

Second Pass: Answer with Evidence

  • Step Action
  • 1 Read the question carefully
  • 2 Return to the relevant section of the passage
  • 3 Find the exact sentence or sentences that answer the question
  • 4 Choose the answer that most closely matches the passage evidence

Critical rule: The correct answer is always supported by the text. If you cannot point to a specific part of the passage that supports your answer, you are likely choosing the wrong option.

Questions-First Strategy (Alternative)

Some test-takers perform better by reading the questions before the passage:

  • How It Works
  • Read all questions for the passage (just the questions, not the answer choices)
  • Note what information you need (main idea? specific detail? vocabulary?)
  • Read the passage with these questions in mind
  • Answer each question with targeted evidence
  • When to Use It

This strategy works best when:

  • You are a slow reader
  • You get lost in passage details
  • You tend to overthink after reading
  • When NOT to Use It

Skip this approach when:

  • You read quickly and retain well
  • The passage is very short
  • You find it distracting to hold questions in memory
  • Universal Rules for the RCT
  • DO
  • DO look for the answer in the passage text
  • DO eliminate answers that contradict the passage
  • DO choose the most specific, best-supported answer
  • DO pay attention to qualifiers (some, most, always, never)
  • DO keep a steady pace — 90 seconds per question
  • DO NOT
  • DO NOT use outside knowledge to answer questions
  • DO NOT choose answers just because they are true in general
  • DO NOT overthink inference questions — the answer should be logically obvious from the text
  • DO NOT spend more than 2 minutes on any single question
  • DO NOT change your answer unless you find clear evidence against it