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Key Facts: SANDF Aptitude Exam

9 sections

HSRC Academic Aptitude Test

Human Sciences Research Council

33-37

Items per AAT Section

HSRC / SANDF

45 in 30 min

Blox Spatial Test

SANDF psychometric battery

60 items

Raven's Progressive Matrices

SANDF abstract reasoning

R0

Cost to Candidates

South African National Defence Force

18-22 yrs

MSDS Age Range

SANDF MSDS eligibility

The SANDF MSDS psychometric assessment is a mandatory battery measuring numerical, verbal, abstract, spatial and logical reasoning plus situational judgement and personality. The HSRC Academic Aptitude Test alone runs 9 sections of 33-37 five-option items, and the Blox spatial test gives 45 items in 30 minutes. There is no cost to candidates, cut-scores are role-dependent, and failing the psychometric stage removes a candidate from selection before the PT test and medical.

Sample SANDF Aptitude Practice Questions

Try these sample questions to review concepts for the SANDF Aptitude exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1What number comes next in the series: 2, 4, 6, 8, ?
A.9
B.10
C.11
D.12
Explanation: This is an arithmetic series increasing by 2 each step (2, 4, 6, 8). Adding 2 to 8 gives 10. Spotting the constant difference is the fastest way to extend a simple number series.
2A military vehicle travels at an average speed of 60 km/h. How far will it travel in 15 minutes?
A.7.5 km
B.10 km
C.15 km
D.25 km
Explanation: 15 minutes is a quarter of an hour. At 60 km/h the vehicle covers 60 ÷ 4 = 15 km. Converting time to a fraction of an hour is the key step in speed-distance-time problems.
3A quartermaster must distribute 300 rations equally among 45 soldiers. Rounded down, how many whole rations does each soldier receive?
A.5
B.6
C.7
D.8
Explanation: 300 ÷ 45 = 6.67, so each soldier receives 6 whole rations with 30 rations left over. When a quantity does not divide evenly, the whole-number quotient is the share each person gets.
4What is 25% of 480?
A.96
B.110
C.120
D.160
Explanation: 25% is one quarter, so 480 ÷ 4 = 120. Converting common percentages to fractions (25% = 1/4, 50% = 1/2, 10% = 1/10) lets you calculate quickly without long multiplication.
5Complete the series: 5, 10, 20, 40, ?
A.50
B.60
C.70
D.80
Explanation: Each term is double the previous one (5×2=10, 10×2=20, 20×2=40). Doubling 40 gives 80. Recognising a multiplicative pattern is essential when differences keep growing.
6A platoon of 24 soldiers is divided into squads of 6. How many squads are formed?
A.3
B.4
C.5
D.6
Explanation: 24 ÷ 6 = 4, so four full squads are formed. Division answers 'how many equal groups' a total can be split into.
7If a recruit completes a 2.4 km run in 12 minutes, what is the average speed in kilometres per hour?
A.8 km/h
B.10 km/h
C.12 km/h
D.14 km/h
Explanation: 12 minutes is one-fifth of an hour, so speed = 2.4 km × 5 = 12 km/h. Multiplying the distance by how many of those time-intervals fit into an hour gives the hourly rate.
8What number completes the series: 1, 4, 9, 16, ?
A.20
B.25
C.30
D.36
Explanation: These are perfect squares: 1², 2², 3², 4², so the next is 5² = 25. Recognising squared numbers helps when differences grow by a steady amount (here +3, +5, +7, +9).
9A unit has 120 members; 35% are deployed abroad. How many members are deployed?
A.36
B.42
C.48
D.54
Explanation: 35% of 120 = 0.35 × 120 = 42. Multiply the total by the decimal form of the percentage to find a part of a whole.
10Complete the series: 100, 95, 85, 70, ?
A.45
B.50
C.55
D.60
Explanation: The amount subtracted increases each time: -5, -10, -15, so the next step is -20, giving 70 - 20 = 50. Watch for changing differences, not just a constant one.

About the SANDF Aptitude Exam

The SANDF psychometric / aptitude assessment is a battery of cognitive and personality tests used during Military Skills Development System (MSDS) selection. It combines the HSRC-developed Academic Aptitude Test — nine sections of verbal, numerical and spatial reasoning with 33 to 37 items each — with the Blox spatial-orientation test, the Differential Aptitude Test, Raven's Progressive Matrices, a Potential Insight Battery and a Psychological Risk Inventory. Most cognitive items are five-option multiple choice. Passing the psychometric stage is mandatory: candidates who fail are removed from the selection process before the physical training test, integrity assessment and medical evaluation.

Exam sponsor: South African National Defence Force, administered by the SA Military Psychological Institute using HSRC-developed instruments. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

Question count not published by the exam provider

Time Limit

Sectional timing (e.g. Blox spatial test: 45 items in 30 minutes)

Passing Score

Role-dependent cut-scores set by the SANDF

Exam / Certification Fees

No cost to candidates

Exam sponsor website

Reported exam pass rate: Not published. The SANDF does not publish a first-time pass-rate percentage for the MSDS psychometric assessment. Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

~22%

Numerical Reasoning

Number series, percentages, ratios, proportions and arithmetic word problems including speed-distance-time and resource distribution

~21%

Logical Reasoning

Syllogisms, conditional deductions, sequencing and ordering items that test structured reasoning under given rules

~18%

Verbal Reasoning

Analogies, letter codes, vocabulary, classification and logical deductions from short statements

~16%

Abstract / Diagrammatic Reasoning

Raven's-style matrices and pattern sequences using rotation, alternation, accumulation and multi-element rules

~13%

Situational Judgement & Personality

Military scenarios on teamwork, integrity, discipline and decision-making, plus honest self-report on the Psychological Risk Inventory

~9%

Spatial Reasoning

Blox-style mental rotation, shape folding, mirror images, spatial orientation and 3D visualisation

Preparing for the SANDF Aptitude Exam

What You Need to Know

  • Passing score: Role-dependent cut-scores set by the SANDF
  • Assessment: Question count not published by the exam provider
  • Time limit: Sectional timing (e.g. Blox spatial test: 45 items in 30 minutes)
  • Exam / certification fees: No cost to candidates Official sources

Using Our Practice Resources

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

SANDF Aptitude: Suggested Study Strategy

1Drill numerical reasoning under time — number series, percentages and ratios reward quick mental fraction conversions (25% = 1/4, 10% = 1/10).
2For verbal items, master analogies and letter codes by first naming the exact relationship or shift before scanning the options.
3Practise Raven's-style matrices by tracking each element separately — rotation, count, shading and position can each follow their own rule.
4Build spatial skill with cube nets, mental rotation and mirror-image drills, since the Blox test is strictly timed at 45 items in 30 minutes.
5Anchor situational-judgement answers in military values — teamwork, integrity, discipline and resilience — rather than personal convenience.
6Answer the personality / Psychological Risk Inventory honestly and consistently; consistency checks detect candidates who try to game the test.
7Start PT-test fitness early (push-ups, sit-ups, and the timed 2.4 km run) because the psychometric stage is only the first hurdle in MSDS selection.

Frequently Asked Questions

What is the SANDF MSDS psychometric assessment?

It is a battery of cognitive and personality tests used during Military Skills Development System selection. It measures numerical, verbal, abstract, spatial and logical reasoning plus situational judgement and personality, and includes the HSRC Academic Aptitude Test, the Blox spatial test, Raven's Progressive Matrices and a Psychological Risk Inventory.

Who administers the SANDF aptitude test?

The South African National Defence Force administers it through the SA Military Psychological Institute, using instruments developed largely by the Human Sciences Research Council (HSRC). Candidates are tested after applying at a regional recruiting office.

How many questions and how long is the test?

The battery is split into several timed sections. The HSRC Academic Aptitude Test alone has 9 sections of 33 to 37 five-option questions each, and the Blox spatial test gives 45 questions in 30 minutes. Other instruments such as Raven's Progressive Matrices add 60 abstract-reasoning items.

How much does the SANDF psychometric test cost?

There is no cost to candidates. The SANDF administers and funds the psychometric assessment as part of the MSDS selection process. Candidates cover only their own travel and preparation costs.

What score do I need to pass?

The SANDF does not publish a single fixed pass mark. Cut-scores depend on the role or mustering applied for; the higher you score, the more remusters and specialised roles become available to you.

What happens if I fail the psychometric test?

Passing the psychometric stage is mandatory. Candidates who fail are removed from the MSDS selection process and do not continue to the physical training test, integrity assessment and medical evaluation. You may reapply in a later intake.

Can I take the SANDF aptitude test online or remotely?

No. The SANDF assessment is conducted in person at SANDF testing facilities. Applications themselves are submitted on paper at regional recruiting offices, not online.

How should I answer the personality questionnaire?

Answer the Psychological Risk Inventory honestly and consistently. It includes checks designed to detect faking, and the SANDF uses it to identify candidates who may need additional support. Trying to present an 'ideal' profile often produces inconsistent answers.