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

Question 1: The average of 5 consecutive odd numbers is 29. What is the largest of these numbers?

31
33 (Correct answer)
37
35

Correct answer: 33

The middle (3rd) odd number equals the average = 29; so the five numbers are 25, 27, 29, 31, 33 and the largest is 33.

Question 2: A table shows aircraft fuel consumption (L/hr) at altitudes: 5000 ft=400, 10000 ft=350, 20000 ft=280, 30000 ft=240, 40000 ft=220. What is the average fuel consumption across all altitudes?

310 L/hr
275 L/hr
320 L/hr
298 L/hr (Correct answer)

Correct answer: 298 L/hr

Average = (400+350+280+240+220)/5 = 1490/5 = 298 L/hr.

Question 3: What is the SI unit of electric capacitance?

Henry
Tesla
Farad (Correct answer)
Ohm

Correct answer: Farad

The farad (F) is the SI unit of electric capacitance, named after physicist Michael Faraday.

Question 4: What does the term 'RADAR' stand for?

Remote Aerial Detection And Ranging
Rapid Aerial Detection And Ranging
Radio Amplification Detection And Ranging
Radio Detection And Ranging (Correct answer)

Correct answer: Radio Detection And Ranging

RADAR stands for Radio Detection And Ranging, a system that uses radio waves to detect and locate objects.

Question 5: Which Indian defence missile system is designed to intercept ballistic missiles at exo-atmospheric altitudes?

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

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 6: The Abraham Accords, which normalized relations between Israel and Arab nations, were signed in which year?

2021
2020 (Correct answer)
2019
2018

Correct answer: 2020

The Abraham Accords were signed in September 2020, normalizing relations between Israel and the UAE, Bahrain, Sudan, and Morocco.

Question 7: In a class of 50 students, 30 play cricket and 25 play football. If 10 play both, how many play neither?

15
20
10
5 (Correct answer)

Correct answer: 5

n(C union F) = 30 + 25 - 10 = 45; neither = 50 - 45 = 5.

Question 8: Choose the word that is most opposite in meaning to 'MAGNANIMOUS':

Generous
Petty (Correct answer)
Brave
Noble

Correct answer: Petty

'Magnanimous' means generous and forgiving; its antonym is 'petty,' meaning small-minded and ungenerous.

Question 9: Which professional attribute is most valued in reasoning and logic 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 10: How does the AFCAT body of knowledge relate to daily professional practice?

It is relevant only for academic research
It provides the foundational framework that guides decision-making and standard practices (Correct answer)
It only applies during certification exams
It is theoretical and has limited practical application

Correct answer: It provides the foundational framework that guides decision-making and standard practices

The body of knowledge provides the foundational framework of principles, standards, and best practices that professionals use to guide their daily decision-making, ensure consistent quality, and maintain alignment with industry standards.

Question 11: A military map has a scale of 1:50,000. A route measured on the map is 12 cm long. What is the actual ground distance?

60 km
12 km
6 km (Correct answer)
600 m

Correct answer: 6 km

12 cm × 50,000 = 600,000 cm = 6 km on the ground.

Question 12: Passage: 'Air superiority is the dominance of a nation's air force over an adversary's. Achieving it requires a combination of advanced fighter aircraft, skilled pilots, and effective ground-based radar systems that detect and track enemy movements.' According to the passage, air superiority depends on:

The number of missiles carried
Skilled pilots alone
Fighter aircraft alone
A combination of aircraft, pilots, and radar systems (Correct answer)

Correct answer: A combination of aircraft, pilots, and radar systems

The passage explicitly lists aircraft, pilots, and radar systems as required components.

Question 13: What is the value of continuing education in history and geography for AFCAT professionals?

It replaces workplace experience
It is only needed for recertification
It is primarily a social activity
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 14: In the context of fighter aircraft, what does 'BVR' capability refer to?

Beyond Visual Range combat (Correct answer)
Battle Velocity Radar
Base Vector Routing
Below Visual Radar

Correct answer: Beyond Visual Range combat

BVR (Beyond Visual Range) refers to air-to-air combat using missiles that can engage targets beyond the pilot's line of sight.

Question 15: A table shows revenue (in crore): Q1=45, Q2=60, Q3=75, Q4=80. What is the percentage increase in revenue from Q1 to Q4?

55.6%
44.4%
66.7%
77.8% (Correct answer)

Correct answer: 77.8%

Increase = (80−45)/45 × 100 = 35/45 × 100 ≈ 77.8%.

Question 16: Choose the one-word substitute for: 'A person who is indifferent to pleasure or pain'.

Stoic (Correct answer)
Ascetic
Cynic
Hedonist

Correct answer: Stoic

A 'stoic' is someone who accepts pain or difficulty without complaint or visible emotion.

Question 17: Select the synonym of 'PERSPICACIOUS':

Shrewd (Correct answer)
Timid
Verbose
Confused

Correct answer: Shrewd

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

Question 18: A bar graph shows sorties flown per month: Apr=42, May=38, Jun=55, Jul=60, Aug=45. What is the percentage drop from July to August?

30%
20%
15%
25% (Correct answer)

Correct answer: 25%

Drop = (60−45)/60 × 100 = 15/60 × 100 = 25%.

Question 19: In AFCAT practice, what is the best approach to quality improvement in defense knowledge?

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

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

Maple
Mike (Correct answer)
Major
Metro

Correct answer: Mike

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

Question 21: Which DRDO-developed surface-to-air missile system is designed for short-range air defense?

Prithvi
Nirbhay
Shaurya
Akash (Correct answer)

Correct answer: Akash

Akash is a medium-range surface-to-air missile system developed by DRDO, providing air defense against aircraft and drones.

Question 22: Which process involves the conversion of solid directly into vapor without passing through the liquid phase?

Sublimation (Correct answer)
Vaporization
Evaporation
Condensation

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 23: A bar chart shows electricity consumption (kWh): A=320, B=450, C=280, D=500, E=350. What is the mean consumption?

380 (Correct answer)
400
350
360

Correct answer: 380

Mean = (320+450+280+500+350)/5 = 1900/5 = 380 kWh.

Question 24: Which international organization maintains the Nuclear Suppliers Group (NSG) aimed at preventing nuclear weapons proliferation?

It is a self-governing multilateral export control regime (Correct answer)
United Nations Security Council
North Atlantic Treaty Organization
International Atomic Energy Agency

Correct answer: It is a self-governing multilateral export control regime

The NSG is a multilateral export control regime with no formal international treaty basis, operating by consensus among member states.

Question 25: India's first indigenous aircraft carrier INS Vikrant is home-ported at which naval base?

Kochi (INS Venduruthy) (Correct answer)
Visakhapatnam (INS Dega)
Mumbai (INS Shikra)
Karwar (INS Kadamba)

Correct answer: Kochi (INS Venduruthy)

INS Vikrant is home-ported at Kochi's INS Venduruthy base and was commissioned in September 2022.

Question 26: What is the key to effective cross-functional communication in AFCAT environments?

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

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 27: Which Indian satellite launched in 2024 provides real-time monitoring of natural disasters and is used by the National Disaster Management Authority?

RISAT-2BR2
GSAT-20
INSAT-3DS (Correct answer)
Cartosat-3A

Correct answer: INSAT-3DS

INSAT-3DS, launched in February 2024, is a meteorological satellite that enhances India's weather forecasting and disaster monitoring capabilities.

Question 28: A military unit operates on the principle that decisions should be made at the lowest competent level. This is known as:

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

Correct answer: Mission command

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

Question 29: Pointing to a photo, Arjun said, 'She is the daughter of my grandfather's only son.' How is the girl related to Arjun?

Niece
Cousin
Sister (Correct answer)
Daughter

Correct answer: Sister

Grandfather's only son = Arjun's father; his father's daughter = Arjun's sister.

Question 30: Find the odd one out: 121, 144, 169, 196, 288

288 (Correct answer)
121
144
196

Correct answer: 288

288 is not a perfect square; all others are perfect squares (11², 12², 13², 14²).

Question 31: The 2025 Nobel Peace Prize was awarded to which organization or individual?

Nihon Hidankyo (Correct answer)
Greta Thunberg
ICAN (International Campaign to Abolish Nuclear Weapons)
UN Refugee Agency (UNHCR)

Correct answer: Nihon Hidankyo

Nihon Hidankyo, the Japanese organization of atomic bomb survivors (hibakusha), won the 2024 Nobel Peace Prize for its work toward a nuclear-free world.

Question 32: Fill in the blank with the correct preposition: The aircraft was cleared to fly ______ the restricted zone.

between
across
through (Correct answer)
into

Correct answer: through

Clearing an aircraft to fly 'through' a zone means it is permitted to pass within that airspace.

Question 33: If ROAD is coded as 1234 and LOAD is coded as 5234, what does 12345 stand for?

ROADS
LOADR
LOARD
ROADL (Correct answer)

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

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

Correct answer: Objective and impersonal

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

Question 35: 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 endure a painful situation stoically (Correct answer)
To resort to violence
To prepare for an attack
To reject an unfair proposal

Correct answer: To endure a painful situation stoically

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

Question 36: Choose the correct form: Neither the officers nor the cadet ______ present at the briefing.

are
have been
were
was (Correct answer)

Correct answer: was

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

Question 37: 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?

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

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 38: Which of the following rivers drains into the Arabian Sea?

Mahanadi
Narmada (Correct answer)
Krishna
Godavari

Correct answer: Narmada

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

Question 39: What is the role of a 'Forward Air Controller' (FAC) in military operations?

To manage radar systems at air defense bases
To control air traffic at military airfields
To direct aircraft to ground targets from a forward position (Correct answer)
To coordinate aerial refueling operations

Correct answer: To direct aircraft to ground targets from a forward position

A Forward Air Controller directs combat aircraft to engage ground targets from a position close to the front line.

Question 40: Choose the word that best completes the analogy: PILOT : COCKPIT :: SURGEON : ______

Scalpel
Hospital
Operating Theatre (Correct answer)
Stethoscope

Correct answer: Operating Theatre

A pilot works in a cockpit; similarly, a surgeon works in an operating theatre.

Question 41: Choose the correct indirect speech: Direct: The instructor said, 'You must revise the chapter tonight.' Indirect: The instructor told ______

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.
him that he must has revised the chapter that night.

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

Aviation turbine fuel (ATF)
Liquid hydrogen and liquid oxygen
Solid propellant (HTPB) in core stages with liquid engines (Correct answer)
Liquid methane 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 43: What is the value of 3^4 x 3^(-2) divided by 3^3?

3^2
3^0
3^(-1) (Correct answer)
3^1

Correct answer: 3^(-1)

3^4 x 3^(-2) / 3^3 = 3^(4-2-3) = 3^(-1).

Question 44: Read the sentence and identify the error: 'Neither the officers nor the cadet were present at the briefing.' (A) Neither the officers (B) nor the cadet (C) were present (D) at the briefing

were present (Correct answer)
at the briefing
Neither the officers
nor the cadet

Correct answer: were present

When 'neither…nor' is used, the verb agrees with the noun closest to it ('cadet'), so 'was' should replace 'were'.

Question 45: Select the synonym of 'PERSEVERANCE'.

Tenacity (Correct answer)
Laziness
Indifference
Arrogance

Correct answer: Tenacity

'Perseverance' means continued effort despite difficulties, which is synonymous with 'tenacity'.

Question 46: 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 47: Which article of the Indian Constitution empowers the President to declare a national emergency?

Article 352 (Correct answer)
Article 356
Article 360
Article 370

Correct answer: Article 352

Article 352 of the Indian Constitution empowers the President to proclaim a National Emergency on grounds of war, external aggression, or armed rebellion.

Question 48: Select the word most similar to 'OBSOLETE'.

Innovative
Efficient
Modern
Outdated (Correct answer)

Correct answer: Outdated

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

Question 49: What is the primary role of the AN/TPY-2 radar system deployed by the US military?

Air traffic control
Electronic warfare jamming
Naval surface search
Ballistic missile detection and tracking (Correct answer)

Correct answer: Ballistic missile detection and tracking

The AN/TPY-2 is an X-band radar used for detecting and tracking ballistic missiles as part of the US missile defense system.

Question 50: A graph shows population (in thousands): 2015=200, 2016=220, 2017=242, 2018=266.2. What is the approximate annual growth rate?

15%
8%
10% (Correct answer)
12%

Correct answer: 10%

220/200 = 1.10, confirming a consistent 10% annual growth rate.

Question 51: 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

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

Correct answer: has she

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

Question 52: Which river forms the boundary between India and Pakistan in Punjab?

Ravi (Correct answer)
Sutlej
Chenab
Beas

Correct answer: Ravi

The Ravi River flows along part of the India-Pakistan boundary in Punjab before entering Pakistani territory.

Question 53: How does the AFCAT body of knowledge relate to daily professional practice?

It is relevant only for academic research
It provides the foundational framework that guides decision-making and standard practices (Correct answer)
It is theoretical and has limited practical application
It only applies during certification exams

Correct answer: It provides the foundational framework that guides decision-making and standard practices

Question 54: The Indian Air Force's aerobatic display team is known as:

Thunderbolts
Surya Kiran (Correct answer)
Blue Angels
Sky Warriors

Correct answer: Surya Kiran

Surya Kiran is the IAF's aerobatic display team, performing precision flying demonstrations at air shows.

Question 55: India's indigenous Light Combat Aircraft Mk-2 (Tejas Mk-2) is powered by which engine?

Kaveri K9+
GE F414-INS6 (Correct answer)
Rolls-Royce Adour
GE F404-IN20

Correct answer: GE F414-INS6

Tejas Mk-2 is powered by the GE F414-INS6 engine, providing significantly more thrust than the F404 used in Mk-1.

Question 56: Choose the correct indirect speech: He said, 'I will complete the mission.' (A) He said that he will complete the mission. (B) He said that he would complete the mission. (C) He told that he would complete the mission. (D) He said that he completes the mission.

He told that he would complete the mission.
He said that he would complete the mission. (Correct answer)
He said that he completes the mission.
He said that he will complete the mission.

Correct answer: He said that he would complete the mission.

In indirect speech, 'will' changes to 'would' when the reporting verb is in the past tense.

Question 57: In a row of 20 students, Ravi is 8th from the left. What is his position from the right?

12th
14th
13th (Correct answer)
11th

Correct answer: 13th

Position from right = Total + 1 − Position from left = 20 + 1 − 8 = 13th.

Question 58: What is the function of a transistor in electronic circuits?

Amplifies or switches electronic signals (Correct answer)
Resists current flow to control voltage
Stores electrical charge for later release
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 59: Which strait separates India from Sri Lanka?

Malacca Strait
Lombok Strait
Hormuz Strait
Palk Strait (Correct answer)

Correct answer: Palk Strait

The Palk Strait separates the southeastern tip of India (Tamil Nadu) from the northwestern coast of Sri Lanka.

Question 60: Which country became the first to land a probe on the Moon's far side with its Chang'e-6 mission in 2024?

China (Correct answer)
Japan
Russia
USA

Correct answer: China

China's Chang'e-6 mission in June 2024 successfully landed on the Moon's far side and returned samples, a world first.

Question 61: What does the abbreviation 'AWACS' stand for in military aviation?

Aerial Warfare and Communication Suite
Airborne Weapon Aiming and Control System
Advanced Weapons and Combat System
Airborne Warning and Control System (Correct answer)

Correct answer: Airborne Warning and Control System

AWACS stands for Airborne Warning and Control System, a type of aircraft providing surveillance and command functions.

Question 62: If FEBRUARY has 28 days, which month has 30 days? Choose the odd one out.

September
April
June
July (Correct answer)

Correct answer: July

April, June, and September have 30 days; July has 31 days.

Question 63: Fill in the blank with the appropriate preposition: 'The pilot was commended ______ his exceptional bravery during the mission.' (A) about (B) for (C) on (D) at

at
for (Correct answer)
about
on

Correct answer: for

'Commended for' is the correct collocation when acknowledging the reason for praise.

Question 64: In Air Force Common Admission Test, what is the PRIMARY purpose of conducting regular safety drills and exercises?

To ensure personnel can respond effectively in emergencies (Correct answer)
To reduce daily workload
To evaluate employee performance reviews
To satisfy insurance requirements only

Correct answer: To ensure personnel can respond effectively in emergencies

Regular safety drills ensure that all personnel are prepared to respond effectively during actual emergencies. Practice builds muscle memory, identifies gaps in emergency procedures, and improves overall response times.

Question 65: A AFCAT certified professional is asked to provide services outside their scope of competence. The CORRECT ethical response is to:

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

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

Changes only occur when government mandates new requirements
Requirements evolve periodically to reflect advances in knowledge, technology, and practice standards (Correct answer)
Certification requirements never change once established
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 67: In military decision-making, what is the purpose of 'courses of action' (COA) analysis?

Brief higher command on the current tactical situation
Evaluate multiple options to determine the best plan to accomplish the mission (Correct answer)
Document the sequence of actions taken after a mission is complete
Assign individual tasks to specific soldiers within a unit

Correct answer: Evaluate multiple options to determine the best plan to accomplish the mission

COA analysis involves comparing feasible options against established criteria to select the most suitable plan.

Question 68: Which foundational principle is MOST important for success in the Air Force Common Admission Test profession?

Maximizing financial returns on every engagement
Maintaining the minimum requirements for certification
Commitment to continuous learning, ethical practice, and quality outcomes (Correct answer)
Specializing in only one narrow area of practice

Correct answer: Commitment to continuous learning, ethical practice, and quality outcomes

Success in any professional field requires a commitment to continuous learning to stay current, ethical practice to maintain trust and integrity, and a focus on quality outcomes that serve stakeholders and the public interest.

Question 69: Which of the following sentences is in PASSIVE voice?

Conduct the test, engineers!
The engineers conducted the test.
The test was conducted by the engineers. (Correct answer)
The engineers are conducting the test.

Correct answer: The test was conducted by the engineers.

In a passive voice sentence, the subject receives the action rather than performing it. The structure typically involves a form of the verb 'to be' followed by the past participle of the main verb, often with a 'by' phrase indicating the agent. In option B, 'The test' (subject) 'was conducted' (form of 'to be' + past participle) 'by the engineers' (agent), clearly demonstrating the passive voice.

Question 70: 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 become less stringent over time
Requirements evolve periodically to reflect advances in knowledge, technology, and practice standards (Correct answer)

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

Question 71: 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
Maintaining secrecy about military equipment specifications
Protecting sensitive information from adversaries who could use it to harm friendly forces (Correct answer)

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 72: 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

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

Correct answer: had / abandoned

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

Question 73: Which material property describes its ability to return to original shape after deformation when stress is removed?

Plasticity
Ductility
Elasticity (Correct answer)
Malleability

Correct answer: Elasticity

Elasticity is the property of a material that allows it to recover its original shape and size after the deforming stress is removed.

Question 74: Identify the literary device in: 'The brave soldier stood like a rock under enemy fire.'

Alliteration
Oxymoron
Simile (Correct answer)
Metaphor

Correct answer: Simile

The comparison uses 'like,' making it a simile that compares the soldier's steadfastness to a rock.

Question 75: What is the phenomenon where a sound wave's observed frequency changes due to the relative motion between source and observer?

Resonance
Doppler Effect (Correct answer)
Interference
Diffraction

Correct answer: Doppler Effect

The Doppler Effect describes the change in observed frequency of a wave when the source and observer are in relative motion.

Question 76: In military map reading, the grid reference '347582' refers to which type of reference?

Bearing reference
Four-figure grid reference
Eight-figure grid reference
Six-figure grid reference (Correct answer)

Correct answer: Six-figure grid reference

A six-figure grid reference (3 digits easting + 3 digits northing) locates a point to within 100 meters on a military map.

Question 77: The Indian Air Force's 'Garud' is a specialized unit focused on which mission?

Strategic airlift
Air defense artillery
Special operations and commando tasks (Correct answer)
Electronic warfare

Correct answer: Special operations and commando tasks

Garud Commando Force is the IAF's special operations unit responsible for airbase protection and special operations missions.

Question 78: How many triangles are in a figure where a large triangle is divided by lines connecting mid-points of each side (forming 4 smaller triangles)?

4 (Correct answer)
8
5
6

Correct answer: 4

Connecting midpoints of a triangle creates exactly 4 smaller congruent triangles.

Question 79: 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 80: Choose the word that does NOT belong to the group: FRIGATE, DESTROYER, HELICOPTER, CORVETTE.

Destroyer
Frigate
Corvette
Helicopter (Correct answer)

Correct answer: Helicopter

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

Question 81: Which professional attribute is most valued in history and geography within the AFCAT field?

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

Correct answer: Accountability and commitment to standards

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

Question 82: The 'Param Vir Chakra' is awarded for acts of valor in the face of the enemy — what is its equivalent in the US military?

Silver Star
Distinguished Service Cross
Bronze Star
Medal of Honor (Correct answer)

Correct answer: Medal of Honor

The Medal of Honor is the United States' highest military decoration, equivalent to India's Param Vir Chakra.

Question 83: Statement: No flowers are trees. All trees are plants. Which conclusion is definitely true?

No flowers are plants
Some plants are not flowers (Correct answer)
All plants are trees
Some flowers are plants

Correct answer: Some plants are not flowers

All trees are plants but no flowers are trees, so some plants (the trees) are definitely not flowers.

Question 84: The concept of 'Mutually Assured Destruction' (MAD) is associated with which type of warfare doctrine?

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

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 85: The Partition of Bengal in 1905 was reversed in which year?

1915
1907
1911 (Correct answer)
1909

Correct answer: 1911

The Partition of Bengal (1905) by Lord Curzon was annulled in 1911 by King George V at the Delhi Durbar due to massive protests.

Question 86: Which Indian space mission successfully demonstrated space docking technology (SpaDeX) in 2025?

Chandrayaan-4
SpaDeX-1 and SpaDeX-2 (Correct answer)
RISAT-3
Aditya-L2

Correct answer: SpaDeX-1 and SpaDeX-2

India's SpaDeX mission in January 2025 successfully docked two small spacecraft, making India the fourth country to achieve space docking.

Question 87: Identify the correct sentence.

A fleet of ships were sailing in the ocean.
A fleet of ships are sailing in the ocean.
A fleet of ships is sailing in the ocean. (Correct answer)
A fleet of ships have sailed in the ocean.

Correct answer: A fleet of ships is sailing in the ocean.

'Fleet' is a collective noun used as a singular subject, so the singular verb 'is' is correct.

Question 88: 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 pilot, flying at high altitude, spotted the runway.
Flying at high altitude, the runway was spotted. (Correct answer)
The runway was spotted by the pilot flying high.
Flying at high altitude, the pilot 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 89: Which principle states that it is impossible to simultaneously know the exact position and momentum of a subatomic particle?

Schrödinger's Wave Equation
Heisenberg Uncertainty Principle (Correct answer)
Pauli Exclusion Principle
de Broglie's Hypothesis

Correct answer: Heisenberg Uncertainty Principle

Heisenberg's Uncertainty Principle states that the more precisely position is known, the less precisely momentum can be known, and vice versa.

Question 90: Which foundational principle is MOST important for success in the Air Force Common Admission Test profession?

Maintaining the minimum requirements for certification
Specializing in only one narrow area of practice
Maximizing financial returns on every engagement
Commitment to continuous learning, ethical practice, and quality outcomes (Correct answer)

Correct answer: Commitment to continuous learning, ethical practice, and quality outcomes

Question 91: Select the meaning of the one-word substitute 'OMNISCIENT'.

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

Correct answer: All-knowing

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

Question 92: The Battle of Plassey (1757) was fought between the British East India Company and the Nawab of Bengal. Who was the Nawab?

Mir Qasim
Siraj ud-Daulah (Correct answer)
Mir Jafar
Alivardi Khan

Correct answer: Siraj ud-Daulah

Siraj ud-Daulah was the Nawab of Bengal who was defeated at the Battle of Plassey in 1757, marking the beginning of British rule in India.

Question 93: Which country hosted the 2025 SCO (Shanghai Cooperation Organisation) Summit?

Russia
China
Kazakhstan (Correct answer)
India

Correct answer: Kazakhstan

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

Question 94: Identify the ANTONYM of ‘OBSOLETE’.

Antique
Novel (Correct answer)
Archaic
Defunct

Correct answer: Novel

'Obsolete' means no longer produced or used; out of date. The antonym would be a word meaning new or current. 'Novel' means new and original, or unusual, making it the best antonym for 'obsolete'. The other options (Archaic, Antique, Defunct) are synonyms or related terms for 'obsolete'.

Question 95: Six cadets scored: 72, 85, 90, 68, 78, 95. What is their median score?

81.5 (Correct answer)
85
80
78

Correct answer: 81.5

Sorted: 68, 72, 78, 85, 90, 95; Median = (78+85)/2 = 81.5.

Question 96: Which Indian state has the longest coastline?

Gujarat (Correct answer)
Andhra Pradesh
Maharashtra
Tamil Nadu

Correct answer: Gujarat

Gujarat has the longest coastline of any Indian state at approximately 1,600 km, including its peninsula and island territories.

Question 97: In AFCAT practice, what is the best approach to quality improvement in data interpretation?

Copy what other organizations do without analysis
Wait for problems to occur before acting
Make changes without measuring results
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 98: Who established the Indian National Congress in 1885?

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

Correct answer: A.O. Hume

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

Question 99: A line graph shows temperature readings (°C) over five days: Mon=28, Tue=32, Wed=30, Thu=35, Fri=27. On which day did the temperature rise the most compared to the previous day?

Friday
Thursday (Correct answer)
Tuesday
Wednesday

Correct answer: Thursday

Thu increase = 35−30 = 5°C, which is the largest single-day rise.

Question 100: Which Indian Air Force exercise focuses on joint operations with the French Air and Space Force?

Ex Shakti
Ex Garuda (Correct answer)
Ex Tasman Saber
Ex Vajra Prahar

Correct answer: Ex Garuda

Exercise Garuda is the bilateral air exercise between the Indian Air Force and the French Air and Space Force conducted every two years.

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%

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