Air Force Common Admission Test (AFCAT) — Questions and Answers

Question 1: What is the primary fuel used in India's PSLV (Polar Satellite Launch Vehicle)?

Solid propellant (HTPB) in core stages with liquid engines (Correct answer)
Liquid methane and liquid oxygen
Aviation turbine fuel (ATF)
Liquid hydrogen and liquid oxygen

Correct answer: Solid propellant (HTPB) in core stages with liquid engines

PSLV uses solid propellant (HTPB-based) in its first and third stages, with liquid engines in the second and fourth stages.

Question 2: Select the word most similar to 'OBSOLETE'.

Outdated (Correct answer)
Modern
Efficient
Innovative

Correct answer: Outdated

'Obsolete' means no longer in use or out of date, which is synonymous with 'outdated'.

Question 3: Which Indian missile is known as a surface-to-surface ballistic missile?

Astra
Nag
Akash
Agni (Correct answer)

Correct answer: Agni

The Agni series of missiles are a family of medium to intercontinental range ballistic missiles developed by India. They are specifically designed as surface-to-surface ballistic missiles, capable of delivering various payloads.

Question 4: The Sahara Desert is primarily located in which continent?

Asia
Africa (Correct answer)
South America
Australia

Correct answer: Africa

The Sahara Desert is the world's largest hot desert and is located in North Africa, spanning about 9.2 million square kilometers.

Question 5: If a train travels 180 km in 3 hours, what is its average speed?

70 km/h
50 km/h
60 km/h (Correct answer)
90 km/h

Correct answer: 60 km/h

Average speed is calculated by dividing the total distance traveled by the total time taken. Given a distance of 180 km and a time of 3 hours, the average speed is 180 km / 3 hours = 60 km/h.

Question 6: Select the meaning of the one-word substitute 'OMNISCIENT'.

All-seeing
All-knowing (Correct answer)
All-present
All-powerful

Correct answer: All-knowing

'Omniscient' derives from Latin 'omnis' (all) + 'scire' (to know), meaning knowing everything.

Question 7: What is the purpose of a pitot tube on an aircraft?

To measure dynamic ram air pressure for airspeed calculation (Correct answer)
To measure static air pressure for altitude computation
To measure outside air temperature for cabin systems
To detect atmospheric humidity and ice formation risk

Correct answer: To measure dynamic ram air pressure for airspeed calculation

A pitot tube faces forward into the airflow and measures dynamic (ram) pressure; combined with static pressure, it allows the airspeed indicator to calculate the aircraft's speed.

Question 8: Six persons P, Q, R, S, T, U are in a circle facing the center. Q is to the immediate right of P. U is to the immediate left of P. Who sits between U and Q?

R
P (Correct answer)
T
S

Correct answer: P

U is immediately left of P and Q is immediately right of P, so P sits between U and Q.

Question 9: What comes next in the series: 2, 6, 12, 20, 30, ?

48
40
44
42 (Correct answer)

Correct answer: 42

The terms are n(n+1): 1×2, 2×3, 3×4, 4×5, 5×6, so next is 6×7 = 42.

Question 10: Which of the following rivers drains into the Arabian Sea?

Mahanadi
Godavari
Krishna
Narmada (Correct answer)

Correct answer: Narmada

The Narmada flows westward from Amarkantak and drains into the Arabian Sea near Bharuch, Gujarat.

Question 11: What is the function of a transistor in electronic circuits?

Stores electrical charge for later release
Resists current flow to control voltage
Amplifies or switches electronic signals (Correct answer)
Converts AC to DC current

Correct answer: Amplifies or switches electronic signals

A transistor acts as an amplifier or electronic switch, forming the fundamental building block of modern electronic devices.

Question 12: What role does collaboration play in history and geography for AFCAT professionals?

It is only needed in emergencies
It slows down work unnecessarily
It reduces individual accountability
It enhances outcomes through diverse perspectives and shared expertise (Correct answer)

Correct answer: It enhances outcomes through diverse perspectives and shared expertise

Collaboration leverages diverse perspectives and combined expertise to achieve better outcomes than any individual could alone.

Question 13: What does DNA stand for?

Deoxyribose Nitrogen Acid
Deoxyribose Nucleic Acid
Diribonucleic Acid
Deoxyribonucleic Acid (Correct answer)

Correct answer: Deoxyribonucleic Acid

DNA stands for Deoxyribonucleic Acid, the molecule that carries genetic information in living organisms.

Question 14: What documentation is MOST critical to maintain for safety compliance in the Air Force Common Admission Test field?

Employee vacation schedules
Annual revenue reports
Incident reports, training records, and inspection logs (Correct answer)
Client marketing preferences

Correct answer: Incident reports, training records, and inspection logs

Incident reports, training records, and inspection logs are essential safety documentation. They demonstrate compliance with safety regulations, track training completion, and provide evidence of systematic hazard management.

Question 15: Arrange the sentences in logical order: P: He then reviewed the flight plan. Q: The pilot arrived at the airbase at dawn. R: After clearance, he proceeded to the aircraft. S: He reported to the commanding officer.

S, Q, P, R
P, Q, R, S
Q, P, S, R
Q, S, P, R (Correct answer)

Correct answer: Q, S, P, R

The logical sequence is: arrival (Q) → report to officer (S) → review plan (P) → proceed to aircraft (R).

Question 16: What is the key to effective cross-functional communication in AFCAT environments?

Using department-specific jargon
Communicating only in writing
Adapting language and context for different audiences (Correct answer)
Avoiding all technical details

Correct answer: Adapting language and context for different audiences

Adapting language and providing appropriate context for different audiences ensures effective communication across functional boundaries.

Question 17: What role does collaboration play in current affairs for AFCAT professionals?

It slows down work unnecessarily
It is only needed in emergencies
It reduces individual accountability
It enhances outcomes through diverse perspectives and shared expertise (Correct answer)

Correct answer: It enhances outcomes through diverse perspectives and shared expertise

Collaboration leverages diverse perspectives and combined expertise to achieve better outcomes than any individual could alone.

Question 18: A is the brother of B. B is the sister of C. C is the son of D. How is D related to A?

Parent (Correct answer)
Uncle
Father
Mother

Correct answer: Parent

C is D's son, C and B are siblings, A and B are siblings — so A is also D's child, meaning D is A's parent (gender unspecified).

Question 19: Choose the word most OPPOSITE in meaning to 'BELLIGERENT'.

Aggressive
Tenacious
Peaceful (Correct answer)
Hostile

Correct answer: Peaceful

'Belligerent' means hostile and aggressive, so its antonym is 'peaceful'.

Question 20: During a patrol, a soldier observes the enemy at a bearing of 045°. After moving 500 m due north, the bearing to the same enemy position is 090°. How far is the enemy from the second observation point?

707 m
500 m (Correct answer)
1000 m
250 m

Correct answer: 500 m

With a 90° bearing from the new position and 45° from the original, the geometry yields an enemy distance of 500 m east of the second point.

Question 21: What is the value of continuing education in defense knowledge for AFCAT professionals?

It is primarily a social activity
It replaces workplace experience
It is only needed for recertification
It keeps professionals current with evolving standards and practices (Correct answer)

Correct answer: It keeps professionals current with evolving standards and practices

Continuing education ensures professionals stay current with the latest developments, standards, and best practices in their field.

Question 22: Which fighter aircraft did India select under the MRFA (Multi Role Fighter Aircraft) programme to replace ageing MiG-21s?

SAAB Gripen E
Boeing F/A-18 Super Hornet
Dassault Rafale (Correct answer)
Eurofighter Typhoon

Correct answer: Dassault Rafale

India has selected the Dassault Rafale for the MRFA programme, continuing its Rafale procurement from France.

Question 23: Which professional attribute is most valued in history and geography within the AFCAT field?

Avoiding challenging situations
Working in isolation
Prioritizing personal convenience
Accountability and commitment to standards (Correct answer)

Correct answer: Accountability and commitment to standards

Accountability and commitment to professional standards build trust and ensure consistent, high-quality practice.

Question 24: Which Indian Air Force exercise involves joint training with the United States Air Force?

Cope India (Correct answer)
Iron Fist
Tasman Saber
Red Flag

Correct answer: Cope India

Cope India is a bilateral air exercise conducted between the Indian Air Force and the United States Air Force.

Question 25: Which IAF exercise involves joint air combat training with foreign air forces to improve interoperability?

Iron Fist
Garud Shakti
Vayu Shakti
Cope India (Correct answer)

Correct answer: Cope India

Cope India is a bilateral air exercise between the IAF and USAF focused on air combat tactics and interoperability.

Question 26: ISRO stands for:

Indian Space Research Organisation (Correct answer)
International Space Reserves Org
Indian Satellite Rocket Org
Indian Scientific Research Org

Correct answer: Indian Space Research Organisation

ISRO is the widely recognized acronym for the Indian Space Research Organisation. It is India's national space agency, responsible for space-based applications, space exploration, and related technology development.

Question 27: What is the least common multiple (LCM) of 6 and 8?

48
12
18
24 (Correct answer)

Correct answer: 24

The least common multiple (LCM) is the smallest positive integer that is a multiple of both numbers. Multiples of 6 are 6, 12, 18, 24, 30... Multiples of 8 are 8, 16, 24, 32... The smallest number common to both lists is 24.

Question 28: The 'Warsaw Pact' was a military alliance led by which country during the Cold War?

United States
China
Germany
Soviet Union (Correct answer)

Correct answer: Soviet Union

The Warsaw Pact (1955–1991) was a collective defense treaty led by the Soviet Union, countering NATO in Eastern Europe.

Question 29: Operation Sindoor, launched by India in May 2025, targeted terrorist infrastructure in which country?

Pakistan (Correct answer)
Afghanistan
Nepal
Bangladesh

Correct answer: Pakistan

Operation Sindoor was India's military strike against terrorist camps in Pakistan and Pakistan-occupied Kashmir following the Pahalgam terror attack.

Question 30: In which year did India conduct its first nuclear test, codenamed 'Smiling Buddha'?

1968
1998
1974 (Correct answer)
1984

Correct answer: 1974

India conducted its first nuclear test 'Smiling Buddha' (Pokhran-I) on May 18, 1974, in Rajasthan's Pokhran range.

Question 31: A frequency table shows test scores: 0–20: 5 students, 21–40: 12 students, 41–60: 20 students, 61–80: 8 students, 81–100: 5 students. What fraction of students scored above 60?

15/50
12/50
13/50 (Correct answer)
8/50

Correct answer: 13/50

Students above 60 = 8+5 = 13; Total = 50; Fraction = 13/50.

Question 32: Fill in the blank with the correct form: 'By the time the reinforcements arrived, the enemy already the base.' (A) had / abandoned (B) have / abandoned (C) has / abandon (D) will / abandon

has / abandon
had / abandoned (Correct answer)
will / abandon
have / abandoned

Correct answer: had / abandoned

The past perfect tense ('had abandoned') is required to show an action completed before another past action.

Question 33: Which communication technique is most effective for conveying complex AFCAT information?

Sending lengthy emails
Combining visual aids with clear verbal explanation (Correct answer)
Using only written memos
Using only technical jargon

Correct answer: Combining visual aids with clear verbal explanation

Combining visual aids with clear verbal explanations addresses different learning styles and improves comprehension of complex information.

Question 34: Which process involves the conversion of solid directly into vapor without passing through the liquid phase?

Sublimation (Correct answer)
Condensation
Vaporization
Evaporation

Correct answer: Sublimation

Sublimation is the direct phase transition from solid to gas without passing through the liquid state, as seen with dry ice (solid CO₂).

Question 35: What is the principle behind a nuclear reactor generating electricity?

Fission of heavy nuclei releases heat that drives steam turbines (Correct answer)
Chemical combustion of radioactive materials
Beta decay of uranium directly produces electricity
Fusion of hydrogen nuclei releases heat to produce steam

Correct answer: Fission of heavy nuclei releases heat that drives steam turbines

Nuclear reactors use controlled fission of heavy nuclei (like U-235) to produce heat, which generates steam to drive turbines for electricity production.

Question 36: Which satellite navigation system is developed and operated by India?

BeiDou
GLONASS
Galileo
NavIC (IRNSS) (Correct answer)

Correct answer: NavIC (IRNSS)

NavIC (Navigation with Indian Constellation), also known as IRNSS, is India's indigenous regional satellite navigation system operated by ISRO.

Question 37: Choose the sentence that uses the passive voice correctly:

The team accomplishes the mission was.
The mission accomplished by the team.
The mission was accomplished by the team. (Correct answer)
The team has accomplish the mission.

Correct answer: The mission was accomplished by the team.

Option A correctly uses passive voice with 'was accomplished by,' where the object of the action is the subject.

Question 38: Choose the correct form: Neither the officers nor the cadet ______ present at the briefing.

are
was (Correct answer)
were
have been

Correct answer: was

With 'neither…nor,' the verb agrees with the subject closest to it; 'cadet' is singular, so 'was' is correct.

Question 39: What is the most important professional competency for AFCAT certification in reasoning and logic?

Speed of task completion
Ability to work alone exclusively
Memorization of all reference materials
Deep knowledge combined with practical application skills (Correct answer)

Correct answer: Deep knowledge combined with practical application skills

Professional competency requires both deep knowledge of the subject matter and the ability to apply that knowledge in practical situations.

Question 40: Passage: 'The Indian Air Force undertakes not only combat missions but also humanitarian operations. During natural disasters, aircraft are deployed to deliver relief materials and evacuate victims, demonstrating the force's dual role.' What does the passage primarily highlight about the Indian Air Force?

The inefficiency of civilian agencies
Its focus on disaster management only
Its dual role in combat and humanitarian missions (Correct answer)
Its superior combat technology

Correct answer: Its dual role in combat and humanitarian missions

The passage explicitly states the force's 'dual role' in combat and humanitarian operations.

Question 41: In AFCAT practice, what is the best approach to quality improvement in history and geography?

Make changes without measuring results
Copy what other organizations do without analysis
Wait for problems to occur before acting
Use data-driven methods with measurable outcomes (Correct answer)

Correct answer: Use data-driven methods with measurable outcomes

Data-driven quality improvement with measurable outcomes ensures that changes actually produce the intended improvements and can be verified.

Question 42: Which international body publishes the 'State of Global Air' report tracking air pollution and health impacts worldwide?

World Meteorological Organization
UNEP
WHO
Health Effects Institute (Correct answer)

Correct answer: Health Effects Institute

The Health Effects Institute (HEI) publishes the annual 'State of Global Air' report analyzing air pollution's health burden globally.

Question 43: Which sentence demonstrates correct subject-verb agreement?

The staff are responsible for their individual duties.
The committee have decided to postpone the exercise.
The jury were divided in their opinion.
The data shows a significant improvement in response time. (Correct answer)

Correct answer: The data shows a significant improvement in response time.

In American English, 'data' is increasingly treated as singular, and 'shows' is the appropriate singular verb here.

Question 44: A table shows profit margins: Product A=18%, B=22%, C=15%, D=25%. Revenue of ₹8 crore is split equally among four products. Which product generates the highest profit?

Product D (Correct answer)
Product C
Product A
Product B

Correct answer: Product D

Equal revenue = ₹2 crore each; D profit = 25% of 2 = ₹0.50 crore, the highest.

Question 45: What is the approximate speed of sound at sea level under standard atmospheric conditions?

767 km/h
1,235 km/h (Correct answer)
343 km/h
2,470 km/h

Correct answer: 1,235 km/h

The speed of sound at sea level under standard conditions (15°C) is approximately 1,235 km/h (343 m/s or 767 mph), which equals Mach 1.

Question 46: Select the synonym of 'EPHEMERAL':

Significant
Transient (Correct answer)
Robust
Permanent

Correct answer: Transient

'Ephemeral' means lasting for a very short time, making 'transient' the closest synonym.

Question 47: The Tropic of Cancer passes through which of the following Indian states?

Uttar Pradesh
Andhra Pradesh
Madhya Pradesh (Correct answer)
Karnataka

Correct answer: Madhya Pradesh

The Tropic of Cancer passes through eight Indian states including Madhya Pradesh, Gujarat, Rajasthan, and West Bengal.

Question 48: Which scenario represents a violation of the Air Force Common Admission Test code of professional conduct?

Misrepresenting qualifications or certification status (Correct answer)
Seeking continuing education beyond minimum requirements
Reporting safety concerns to regulatory authorities
Declining work outside one's area of competence

Correct answer: Misrepresenting qualifications or certification status

Misrepresenting qualifications or certification status is a serious violation of professional conduct. It undermines public trust and can lead to harm when unqualified individuals perform specialized work.

Question 49: What is the value of continuing education in reasoning and logic for AFCAT professionals?

It is only needed for recertification
It keeps professionals current with evolving standards and practices (Correct answer)
It is primarily a social activity
It replaces workplace experience

Correct answer: It keeps professionals current with evolving standards and practices

Continuing education ensures professionals stay current with the latest developments, standards, and best practices in their field.

Question 50: Which type of orbit keeps a satellite stationary relative to a point on Earth's surface?

Medium Earth Orbit (MEO)
Low Earth Orbit (LEO)
Polar Orbit
Geostationary Orbit (GEO) (Correct answer)

Correct answer: Geostationary Orbit (GEO)

Geostationary Orbit at approximately 35,786 km altitude allows a satellite to match Earth's rotation and remain fixed over one point.

Question 51: The United Nations Security Council has how many permanent members with veto power?

7
5 (Correct answer)
15
10

Correct answer: 5

The UN Security Council has 5 permanent members (P5) — USA, UK, France, Russia, and China — each holding veto power.

Question 52: Which imaginary line divides the Earth into the Northern and Southern Hemispheres?

Arctic Circle
Prime Meridian
Equator (Correct answer)
Tropic of Capricorn

Correct answer: Equator

The Equator is the imaginary line at 0° latitude that divides Earth into the Northern and Southern Hemispheres.

Question 53: India's first domestically built nuclear-powered ballistic missile submarine (SSBN) capable of carrying K-4 missiles is:

INS Aridhaman
INS Arighat (Correct answer)
INS Arihant
INS Chakra

Correct answer: INS Arighat

INS Arighat, India's second SSBN commissioned in 2024, can carry the longer-range K-4 SLBM with a range of ~3,500 km.

Question 54: A AFCAT certified professional is asked to provide services outside their scope of competence. The CORRECT ethical response is to:

Accept but charge a lower rate
Accept the work to gain new experience
Accept and learn as they go
Decline and refer to a qualified professional (Correct answer)

Correct answer: Decline and refer to a qualified professional

Ethical practice requires professionals to work within their scope of competence. Accepting work beyond one's qualifications can lead to substandard results and potential harm. Referring to qualified professionals ensures proper service delivery.

Question 55: Which Indian leader was known as 'Lokmanya' (respected by the people)?

Lala Lajpat Rai
Gopal Krishna Gokhale
Bal Gangadhar Tilak (Correct answer)
Bipin Chandra Pal

Correct answer: Bal Gangadhar Tilak

Bal Gangadhar Tilak was called 'Lokmanya' and was a prominent leader of the Indian independence movement who advocated Swaraj.

Question 56: Read the passage: 'The Indian Air Force operates in one of the most challenging environments on Earth. From sub-zero temperatures in the Himalayas to scorching desert heat, pilots must adapt to extreme conditions. This demands not just physical fitness but extraordinary mental resilience.' According to the passage, what does flying in India's diverse geography primarily demand?

Only advanced aircraft technology
Long years of theoretical study
Specialized desert survival training alone
Both physical fitness and mental resilience (Correct answer)

Correct answer: Both physical fitness and mental resilience

The passage explicitly states that extreme conditions demand 'not just physical fitness but extraordinary mental resilience.'

Question 57: Choose the word that does NOT belong to the group: FRIGATE, DESTROYER, HELICOPTER, CORVETTE.

Helicopter (Correct answer)
Corvette
Destroyer
Frigate

Correct answer: Helicopter

Frigate, destroyer, and corvette are all naval warships; a helicopter is an aircraft.

Question 58: Which Indian defence missile system is designed to intercept ballistic missiles at exo-atmospheric altitudes?

BrahMos missile
Prithvi Air Defence (PAD) (Correct answer)
Nag anti-tank missile
Akash missile system

Correct answer: Prithvi Air Defence (PAD)

Prithvi Air Defence (PAD), also known as Pradyumna, is India's exo-atmospheric interceptor missile designed to destroy ballistic missiles outside the atmosphere.

Question 59: Identify the correctly spelled word.

Accomodate
Acomodate
Accommodate (Correct answer)
Accommadate

Correct answer: Accommodate

'Accommodate' is the correct spelling, with double 'c' and double 'm'.

Question 60: A clock shows 3:15. What is the angle between the hour and minute hands?

22.5°
0°
7.5° (Correct answer)
15°

Correct answer: 7.5°

At 3:15 the minute hand is at 90° and the hour hand is at 97.5° (3×30 + 15×0.5), giving a difference of 7.5°.

Question 61: Which of the following best describes the tone of a formal military report?

Emotional and persuasive
Humorous and light-hearted
Colloquial and conversational
Objective and impersonal (Correct answer)

Correct answer: Objective and impersonal

Formal military reports use objective, impersonal language focused on facts without emotional bias.

Question 62: Choose the correct indirect speech: Direct: The instructor said, 'You must revise the chapter tonight.' Indirect: The instructor told ______

him that he must has revised the chapter that night.
him that he must revise the chapter that night. (Correct answer)
him that you must revise the chapter that night.
him that he must revise the chapter tonight.

Correct answer: him that he must revise the chapter that night.

In indirect speech, 'you' becomes 'he,' 'tonight' shifts to 'that night,' and the modal 'must' remains unchanged.

Question 63: Select the correctly punctuated sentence.

The cadets trained hard, they hoped to excel.
The cadets trained hard; they hoped to excel. (Correct answer)
The cadets, trained hard; they hoped to excel.
The cadets trained hard they hoped to excel.

Correct answer: The cadets trained hard; they hoped to excel.

A semicolon (;) is used to connect two independent clauses that are closely related in meaning but could stand alone as separate sentences. In option B, 'The cadets trained hard' and 'they hoped to excel' are both complete sentences, and the semicolon correctly joins them to show a close relationship without using a coordinating conjunction like 'and' or 'but'.

Question 64: If ROAD is coded as 1234 and LOAD is coded as 5234, what does 12345 stand for?

ROADS
LOARD
ROADL (Correct answer)
LOADR

Correct answer: ROADL

Mapping: R=1, O=2, A=3, D=4, L=5 (from ROAD=1234 and LOAD=5234); so 12345 = R-O-A-D-L = ROADL.

Question 65: A person gets 10% discount on a product of ₹800. What is the amount to be paid?

₹750 (Correct answer)
₹700
₹720
₹780

Correct answer: ₹750

To arrive at ₹750 from an original price of ₹800, a discount of ₹50 must have been applied (₹800 - ₹750 = ₹50). Therefore, if ₹750 is the correct amount to be paid, it means the product was sold after a ₹50 reduction from its initial price. (Note: A 10% discount on ₹800 would typically result in ₹720, suggesting a potential discrepancy in the question's stated percentage or the intended answer.)

Question 66: What is the PRIMARY purpose of obtaining AFCAT certification in Air Force Common Admission Test?

To guarantee employment in the field
To satisfy a personal achievement goal
To bypass educational requirements
To demonstrate verified competency and adherence to professional standards (Correct answer)

Correct answer: To demonstrate verified competency and adherence to professional standards

Professional certification demonstrates that an individual has met established competency standards through verified assessment. It provides assurance to employers, clients, and the public that the certified professional possesses the knowledge and skills required for competent practice.

Question 67: Which sentence contains a dangling modifier? (A) Flying at high altitude, the pilot spotted the runway. (B) Flying at high altitude, the runway was spotted. (C) The pilot, flying at high altitude, spotted the runway. (D) The runway was spotted by the pilot flying high.

The runway was spotted by the pilot flying high.
Flying at high altitude, the pilot spotted the runway.
Flying at high altitude, the runway was spotted. (Correct answer)
The pilot, flying at high altitude, spotted the runway.

Correct answer: Flying at high altitude, the runway was spotted.

In option B, the participial phrase 'flying at high altitude' illogically modifies 'the runway' instead of a person.

Question 68: Choose the correctly spelled word:

Acomodate
Acommodate
Accommodate (Correct answer)
Accomodate

Correct answer: Accommodate

'Accommodate' is the correct spelling, with double 'c' and double 'm.'

Question 69: From the passage, it can be inferred that the author’s primary purpose is to ____.

Criticize literary techniques
Persuade readers to adopt a viewpoint (Correct answer)
Narrate a personal anecdote
Present statistical data only

Correct answer: Persuade readers to adopt a viewpoint

When an author's primary purpose is to persuade, they typically present arguments, evidence, and rhetorical strategies aimed at convincing the reader to agree with a particular stance or take a specific action. Unlike merely narrating or presenting data, persuasion involves actively influencing the reader's opinion or viewpoint. The term "inferred" suggests looking beyond explicit statements to the underlying intent, which in this context points to influencing the reader.

Question 70: In professional documentation for AFCAT, what is the best practice for organizing information?

Longest sections first
Logical structure with clear headings and progression (Correct answer)
Random order of ideas
Alphabetical order always

Correct answer: Logical structure with clear headings and progression

Logical structure with clear headings helps readers find information quickly and follow the progression of ideas effectively.

Question 71: In AFCAT science preparation, what does homeostasis refer to?

Rapid growth
The tendency to maintain stable internal conditions (Correct answer)
Energy production
Cell division

Correct answer: The tendency to maintain stable internal conditions

Homeostasis is the process by which organisms maintain stable internal conditions necessary for survival despite external changes.

Question 72: The concept of 'Mutually Assured Destruction' (MAD) is associated with which type of warfare doctrine?

Asymmetric warfare
Guerrilla warfare
Conventional warfare
Nuclear deterrence (Correct answer)

Correct answer: Nuclear deterrence

MAD is a nuclear deterrence doctrine where both sides possess enough nuclear weapons to destroy the other, preventing first strikes.

Question 73: A military unit operates on the principle that decisions should be made at the lowest competent level. This is known as:

Directive leadership
Centralized control
Mission command (Correct answer)
Operational art

Correct answer: Mission command

Mission command empowers subordinates to act decisively within the commander's intent without waiting for explicit orders.

Question 74: Two investment plans on ₹1,00,000 over 3 years: Plan X yields ₹15,000 profit, Plan Y yields ₹12,000 profit. What is the difference in their return rates?

2%
3% (Correct answer)
5%
4%

Correct answer: 3%

Plan X ROI = 15%, Plan Y ROI = 12%; difference = 15% − 12% = 3%.

Question 75: Read the passage and answer: 'Discipline is the backbone of the armed forces. Without it, even the most talented soldiers would fail to achieve collective goals. It fosters unity and ensures that every individual acts in alignment with the mission.' What is the central theme of the passage?

Mission planning is more important than discipline
Discipline is essential for collective military effectiveness (Correct answer)
Individual talent is the key to military success
Unity can be achieved without strict rules

Correct answer: Discipline is essential for collective military effectiveness

The passage consistently emphasizes that discipline enables unity and mission-aligned behavior in the armed forces.

Question 76: Which of the following best describes 'operational security' (OPSEC) in military context?

Encrypting all communications during combat operations
The physical security of military operational bases
Protecting sensitive information from adversaries who could use it to harm friendly forces (Correct answer)
Maintaining secrecy about military equipment specifications

Correct answer: Protecting sensitive information from adversaries who could use it to harm friendly forces

OPSEC is a systematic process to identify and protect critical information that adversaries could exploit against friendly operations.

Question 77: What is the most important professional competency for AFCAT certification in defense knowledge?

Ability to work alone exclusively
Speed of task completion
Memorization of all reference materials
Deep knowledge combined with practical application skills (Correct answer)

Correct answer: Deep knowledge combined with practical application skills

Professional competency requires both deep knowledge of the subject matter and the ability to apply that knowledge in practical situations.

Question 78: Which military rank insignia in the Indian Air Force is represented by a crown above a star?

Air Commodore
Air Marshal
Group Captain
Air Vice Marshal (Correct answer)

Correct answer: Air Vice Marshal

An Air Vice Marshal's insignia includes a crown above a star along with crossed sword and baton.

Question 79: Which statement BEST describes the relationship between Air Force Common Admission Test certification requirements and industry evolution?

Certification requirements never change once established
Changes only occur when government mandates new requirements
Requirements evolve periodically to reflect advances in knowledge, technology, and practice standards (Correct answer)
Requirements become less stringent over time

Correct answer: Requirements evolve periodically to reflect advances in knowledge, technology, and practice standards

Certification requirements evolve to keep pace with advances in professional knowledge, technological developments, and changes in practice standards. This ensures that certified professionals remain current and competent in a changing professional landscape.

Question 80: How many triangles are there in a large triangle divided into 4 equal smaller triangles?

8
6
4
5 (Correct answer)

Correct answer: 5

There are 4 small triangles + 1 large outer triangle = 5 triangles total.

Question 81: Identify the figure of speech in: 'The news of his promotion was music to her ears.'

Metaphor (Correct answer)
Hyperbole
Personification
Simile

Correct answer: Metaphor

Calling news 'music to her ears' is a metaphor comparing pleasant news to music without using 'like' or 'as'.

Question 82: Which country hosted the 2025 SCO (Shanghai Cooperation Organisation) Summit?

Kazakhstan (Correct answer)
China
India
Russia

Correct answer: Kazakhstan

Kazakhstan hosted the SCO Summit in 2025, continuing the organization's rotating presidency among member states.

Question 83: India's Unified Payments Interface (UPI) was linked with which Southeast Asian country's payment system in 2023, enabling cross-border QR-based transactions?

Indonesia
Singapore (Correct answer)
Malaysia
Thailand

Correct answer: Singapore

India's UPI was linked with Singapore's PayNow in February 2023, enabling real-time, low-cost cross-border fund transfers between the two countries.

Question 84: What is the value of continuing education in history and geography for AFCAT professionals?

It is only needed for recertification
It is primarily a social activity
It keeps professionals current with evolving standards and practices (Correct answer)
It replaces workplace experience

Correct answer: It keeps professionals current with evolving standards and practices

Continuing education ensures professionals stay current with the latest developments, standards, and best practices in their field.

Question 85: The ancient site of Mohenjo-Daro is located in present-day:

Bangladesh
Pakistan (Sindh) (Correct answer)
India (Gujarat)
Afghanistan

Correct answer: Pakistan (Sindh)

Mohenjo-Daro is located in Sindh province of modern Pakistan and was one of the largest cities of the Indus Valley Civilization.

Question 86: What is the maximum speed of the Rafale fighter jet operated by the Indian Air Force?

Mach 2.5
Mach 1.8 (Correct answer)
Mach 2.0
Mach 1.6

Correct answer: Mach 1.8

The Rafale multirole fighter has a maximum speed of approximately Mach 1.8 at high altitude.

Question 87: The Quit India Movement of 1942 was launched from which city?

Calcutta
Bombay (Correct answer)
Allahabad
Delhi

Correct answer: Bombay

Mahatma Gandhi launched the Quit India Movement on August 8, 1942, at the Gowalia Tank Maidan in Bombay (now Mumbai).

Question 88: A table shows production data: Plant A = 2400 units/month, Plant B = 1800 units/month, Plant C = 3000 units/month. What percentage of total production does Plant B contribute?

30%
35%
20%
25% (Correct answer)

Correct answer: 25%

Total = 7200; Plant B% = (1800/7200)×100 = 25%.

Question 89: Which mountain pass connects Leh (Ladakh) to Manali (Himachal Pradesh)?

Rohtang Pass (Correct answer)
Baralacha La
Zoji La
Khardung La

Correct answer: Rohtang Pass

Rohtang Pass connects Manali in Kullu Valley to the Lahaul and Spiti Valley and is a key route toward Leh.

Question 90: Spot the error: 'Each of the fighter pilots have undergone rigorous training before their first solo flight.'

rigorous training
have undergone (Correct answer)
Each of the fighter pilots
before their first solo flight

Correct answer: have undergone

'Each' is a singular indefinite pronoun and requires a singular verb; 'have' should be 'has.'

Question 91: What type of lens is used in a simple magnifying glass?

Concave lens
Plano-concave lens
Convex (converging) lens (Correct answer)
Cylindrical lens

Correct answer: Convex (converging) lens

A convex (converging) lens is used in a magnifying glass because it bends light rays inward, creating a magnified virtual image.

Question 92: Who established the Indian National Congress in 1885?

Gopal Krishna Gokhale
Dadabhai Naoroji
A.O. Hume (Correct answer)
Bal Gangadhar Tilak

Correct answer: A.O. Hume

Allan Octavian Hume, a retired British civil servant, founded the Indian National Congress in 1885 in Bombay.

Question 93: Select the correctly formed question tag: 'She has never flown a fighter jet, ______?' (A) hasn't she (B) has she (C) didn't she (D) doesn't she

hasn't she
didn't she
doesn't she
has she (Correct answer)

Correct answer: has she

A negative statement with 'has never' takes a positive question tag 'has she'.

Question 94: A table shows flight delays (minutes) for 5 airlines: A=12, B=8, C=15, D=20, E=5. The authority flags delays above the mean as 'significant'. How many airlines are flagged?

4
1
2 (Correct answer)
3

Correct answer: 2

Mean = (12+8+15+20+5)/5 = 12; Airlines strictly above 12: C=15, D=20 → 2 airlines.

Question 95: In military phonetic alphabet, how is the letter 'M' represented?

Major
Maple
Mike (Correct answer)
Metro

Correct answer: Mike

In the NATO/ICAO phonetic alphabet used by military forces, 'M' is represented by 'Mike'.

Question 96: Which professional attribute is most valued in defense knowledge within the AFCAT field?

Working in isolation
Avoiding challenging situations
Prioritizing personal convenience
Accountability and commitment to standards (Correct answer)

Correct answer: Accountability and commitment to standards

Accountability and commitment to professional standards build trust and ensure consistent, high-quality practice.

Question 97: Read the sentence and choose the best meaning of the underlined phrase: 'The general decided to bite the bullet and accept the terms of the ceasefire.' The phrase 'bite the bullet' means:

To prepare for an attack
To reject an unfair proposal
To endure a painful situation stoically (Correct answer)
To resort to violence

Correct answer: To endure a painful situation stoically

'Bite the bullet' means to endure a difficult or unpleasant situation with courage and patience.

Question 98: Select the synonym of 'PERSPICACIOUS':

Shrewd (Correct answer)
Verbose
Confused
Timid

Correct answer: Shrewd

'Perspicacious' means having a ready insight into things; 'shrewd' is the closest synonym.

Question 99: Choose the correct active voice of: 'The target was destroyed by the missiles.' (A) The missiles destroyed the target. (B) The missiles had destroyed the target. (C) The target destroyed the missiles. (D) The missiles were destroying the target.

The target destroyed the missiles.
The missiles were destroying the target.
The missiles had destroyed the target.
The missiles destroyed the target. (Correct answer)

Correct answer: The missiles destroyed the target.

Active voice puts the agent ('missiles') as the subject performing the action ('destroyed') on the object ('target').

Question 100: A pie chart shows 720 soldiers by branch: Infantry=35%, Artillery=25%, Armoured=20%, Signals=12%, Engineers=8%. How many soldiers are in the Armoured branch?

180
86
252
144 (Correct answer)

Correct answer: 144

Armoured = 20% of 720 = 0.20 × 720 = 144 soldiers.

Air Force Common Admission Test (AFCAT)

The AFCAT is a national-level entrance examination conducted by the Indian Air Force to select officers for all its branches except for the medical and dental branches.

100

Questions

120 min

Time Limit

33%

To Pass

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