The AOSB (Army Officer Selection Board) test

The AOSB (Army Officer Selection Board) test question

The AOSB (Army Officer Selection Board) is the selection process for officer roles in the British Army. The hiring process for AOSB typically includes several stages designed to assess candidates’ suitability for officer positions. Here is an overview of the AOSB hiring process:

  1. Initial Application: The process begins with submitting an application to the British Army, indicating your interest in becoming an officer. The application may require you to provide personal details, educational background, and information about your motivations for joining the Army.
  2. Briefing: If your initial application is successful, you may be invited to attend an Army Officer Selection Briefing (AOSB Briefing). This briefing provides an overview of the Army officer roles, the selection process, and the expectations of an officer. It is an opportunity for candidates to gain more information and ask questions.
  3. AOSB Main Board: The AOSB Main Board is the main assessment stage of the selection process. It typically takes place over a few days and includes a series of assessments, interviews, and exercises. The specific activities may include:
    • Aptitude Tests: These tests assess candidates’ cognitive abilities, such as verbal reasoning, numerical reasoning, and abstract reasoning.
    • Interviews: Candidates may face one-on-one interviews or panel interviews. These interviews evaluate various aspects, including motivation, leadership potential, problem-solving skills, and ethical understanding.
    • Planning Exercise: Candidates are given a scenario or problem to analyze and develop a plan within a given timeframe. This exercise assesses logical thinking, decision-making, and communication skills.
    • Group Exercises: Candidates participate in group activities that evaluate their teamwork, leadership potential, and ability to communicate and collaborate effectively.
    • Physical Assessments: Candidates undergo physical fitness assessments to evaluate their overall fitness level and suitability for officer roles.
    • Leaderless Tasks: These exercises assess candidates’ ability to lead and make decisions in challenging and dynamic situations without formal authority.
  4. Development Feedback: Following the AOSB Main Board, candidates receive individual feedback on their performance during the assessment. This feedback provides insights into strengths and areas for improvement and helps candidates in their personal development.

It’s important to note that the AOSB hiring process is highly competitive, and successful candidates may proceed to further stages of selection, such as medical assessments and a final interview before receiving an offer of commission as an officer.

The components of the AOSB test

Test ComponentDescription
Aptitude TestsAssess cognitive abilities such as verbal reasoning, numerical reasoning, and abstract reasoning. Multiple-choice questions are commonly used.
InterviewsEvaluate personal qualities, motivations, leadership potential, and ethical understanding. Can be conducted in a one-on-one or panel format.
Planning ExerciseCandidates analyze a scenario or problem, develop a plan, and present their ideas within a given time frame. Tests logical thinking, prioritization, and communication skills.
Group ExercisesTeam-based activities where candidates work together to solve problems or complete tasks. Assesses teamwork, leadership potential, communication, and collaboration skills.
Leaderless TasksCandidates work as a team to complete a task without a designated leader. Tests leadership potential, adaptability, problem-solving, and decision-making skills.
Physical AssessmentsEvaluates candidates’ fitness levels and suitability for officer roles. Includes a range of physical activities to assess strength, endurance, and overall fitness.

Please note that this table provides a general overview of the components of the AOSB test, and the specific format and details may vary based on the role and requirements of the British Army. It’s always recommended to consult official resources or reach out to the British Army’s recruitment team for the most accurate and up-to-date information on the AOSB test format.


The AOSB (Army Officer Selection Board) test is designed to assess the suitability of candidates for officer roles in the British Army. While I cannot provide specific details about the content or format of the AOSB test, I can offer some general tips on how to prepare:

  1. Familiarize Yourself with the Selection Process: Understand the different stages of the AOSB selection process, which may include aptitude tests, interviews, physical assessments, and leadership exercises. Research the specific requirements and expectations for the role you are applying for.
  2. Develop Leadership and Communication Skills: Officer roles require strong leadership and communication abilities. Seek opportunities to enhance your skills in these areas. Take on leadership roles in school or community organizations, participate in team-based activities, and practice effective communication techniques.
  3. Enhance Your Physical Fitness: The AOSB includes physical assessments to evaluate your fitness level. Prepare for these assessments by engaging in regular physical exercise, including cardio, strength training, and endurance activities. Aim to achieve and maintain a good level of overall fitness.
  4. Practice Aptitude Tests: The AOSB may include aptitude tests, such as verbal reasoning, numerical reasoning, and abstract reasoning. Practice sample tests in these areas to familiarize yourself with the types of questions and improve your speed and accuracy. Online resources and practice books can provide helpful materials for test preparation.
  5. Seek Guidance and Feedback: Consider seeking guidance from individuals who have gone through the AOSB process or military personnel who can provide insights and advice. Participate in mock interviews and assessments to gain valuable feedback and identify areas for improvement.
  6. Stay Informed and Be Prepared: Keep up to date with current affairs, military-related news, and developments in the British Army. Understand the core values and ethos of the Army, as these may be assessed during interviews or group exercises. Be prepared to discuss your motivations for pursuing an officer role and your understanding of the military profession.

Free Question

Numerical Reasoning:
Simplify the following expression: (5 + 3) × (6 – 2) ÷ 4.
a) 8
b) 10
c) 12
d) 14

Abstract Reasoning:
Identify the missing pattern in the series:
Circle, Triangle, Square, Circle, Triangle, ?
a) Square
b) Rectangle
c) Hexagon
d) Circle

Verbal Reasoning:
Select the word that is most similar in meaning to the word provided:
a) Careless
b) Fastidious
c) Indifferent
d) Negligent

Numerical Reasoning:
If the average of four numbers is 15 and three of the numbers are 12, 18, and 20, what is the value of the fourth number?
a) 9
b) 12
c) 15
d) 18

Inductive Reasoning:
Complete the following series:
2, 5, 10, 17, ?
a) 24
b) 28
c) 33
d) 36

Verbal Reasoning:
Select the word that does not belong in the following group:
Apple, Banana, Orange, Carrot, Pineapple
a) Banana
b) Orange
c) Carrot
d) Pineapple

Abstract Reasoning:
Choose the image that completes the pattern:
Image options: [A] [B] [C] [D]

Numerical Reasoning:
What is 25% of 80?
a) 10
b) 15
c) 20
d) 25

Verbal Reasoning:
Choose the word that best completes the sentence:
He was _ to the party because he had a prior engagement.
a) indifferent
b) compelled
c) invited
d) excluded

Abstract Reasoning:
Identify the missing piece in the pattern:
Image options: [A] [B] [C] [D]

It’s important to note that the AOSB test is rigorous and requires dedicated preparation. For accurate and up-to-date information on the specific content and format of the AOSB, it is advisable to consult official resources provided by the British Army or reach out to their recruitment team.

military officer career
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