CDCFIB Aptitude Test Past Questions (2019–2023 Compilation)

Hello, potential CDCFIB 2025 applicants! Preparing for the CDCFIB Aptitude Test just got easier. We have here for you a comprehensive compilation of past questions and answers from 2019 to 2023.

It is designed to help applicants of the Civil Defence, Correctional, Fire, and Immigration Services Board recruitment excel in their upcoming exam. Kindly note that it covers real test patterns, question types, and topics frequently repeated over the years.

We strongly enjoined to engage with this guide with all seriously to guide you and boost your confidence and performance.

SECTION A: FCSC past questions and answers on English Language

Choose the correct word to complete the sentence:

The officer was accused of __ behavior during the training.
A. disrespectful
B. respectful
C. respected
D. respecting
Answer: A. disrespectful

Choose the correct antonym:
“Courageous”
A. Brave
B. Cowardly
C. Bold
D. Fearless
Answer: B. Cowardly

Fill in the blank:
Neither the firemen nor the security officers __ to blame.
A. are
B. is
C. were
D. be
Answer: B. is

Identify the error:
The commandant and his assistant is attending the seminar.
A. The commandant
B. and his assistant
C. is attending
D. the seminar
Answer: C. is attending (should be “are attending”)

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Choose the correct synonym of “Vigilant”:
A. Alert
B. Sleepy
C. Lazy
D. Careless
Answer: A. Alert

“The officer was accused of __ behavior.”
A. Respected
B. Disrespectful
C. Respectful
D. Respecting
Answer: B. Disrespectful

The plural of “crisis” is:
A. Crisises
B. Crises
C. Crisis
D. Crisees
Answer: B. Crises

The idiom “hit the nail on the head” means:
A. Injure yourself
B. Make a mistake
C. Say the right thing
D. Break something
Answer: C. Say the right thing

Choose the correct antonym of “Optimistic”:
A. Hopeful
B. Cheerful
C. Pessimistic
D. Dreamy
Answer: C. Pessimistic

Fill in the blank: He __ the task before the deadline.
A. Completes
B. Completed
C. Completing
D. Was complete
Answer: B. Completed

Choose the correctly punctuated sentence:
A. It’s raining isn’t it?
B. Its raining, isn’t it?
C. It’s raining, isn’t it?
D. Its raining isn’t it
Answer: C. It’s raining, isn’t it?

Neither the Fire Service nor the Correctional officers __ to blame.
A. Is
B. Are
C. Were
D. Be
Answer: A. Is

One who studies weather is a:
A. Biologist
B. Meteorologist
C. Geographer
D. Astronomer
Answer: B. Meteorologist

The word “militant” means:
A. Peaceful
B. Violent activist
C. Lawmaker
D. Religious person
Answer: B. Violent activist

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SECTION B: FCSC Past questions and answers on Mathematics / Quantitative Reasoning

15% of 400 is:
A. 50
B. 60
C. 45
D. 55
Answer: B. 60

Find the next number: 2, 4, 8, 16, _
Answer: 32

If 3x + 5 = 20, find x.
Answer: 5

A man spends ¾ of his salary, what percentage did he save?
Answer: 25%

Convert 0.75 to a fraction.
Answer: ¾

A rectangle has length 10cm and breadth 6cm. Find the area.
Answer: 60 cm²

The sum of the angles in a triangle is:
Answer: 180°

Find the simple interest on ₦2000 at 10% for 2 years.
Answer: ₦400

Ratio 2:3, what is the total if the smaller share is 40?
Answer: 100

A car moves 60km in 1 hour. How long to cover 180km?
Answer: 3 hours

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SECTION C: FCSC past questions and answers Current Affairs & General Knowledge

Who is the current NSCDC Commandant-General?
Answer: Dr. Ahmed Abubakar Audi

What does NIS stand for?
Answer: Nigeria Immigration Service

NSCDC operates under which ministry?
Answer: Ministry of Interior

Year the Fire Service was established?
Answer: 1963

Name of Nigeria’s Minister of Interior (2023)?
Answer: Hon. Olubunmi Tunji-Ojo

Who founded the Nigeria Correctional Service?
Answer: Colonial Government / British Rule (formally restructured in 2019)

Primary duty of the Immigration Service?
Answer: Border control and passport issuance

National Fire Academy is located in?
Answer: Sheda, Abuja

What does the green in Nigeria’s flag represent?
Answer: Agriculture

What is the tenure of Nigeria’s president?
Answer: 4 years (renewable once)

SECTION D: FCSC past questions and answers for Logical Reasoning / General Aptitude

If A = 1, B = 2, what is the sum of FIRE?
F=6, I=9, R=18, E=5 → Total = 38

Choose the odd one out: Police, Immigration, Air, Fire
Answer: Air

Which word does not belong?
A. Table
B. Chair
C. Fan
D. Eat
Answer: D. Eat

Complete the pattern: 1, 3, 6, 10, 15, _
Answer: 21

If all men are security agents, and John is a man, then John is?
Answer: A security agent

Which is the odd pair?
A. Hot–Cold
B. Day–Night
C. Good–Better
D. Up–Down
Answer: C. Good–Better

What is the next in the series: 81, 27, 9, 3, _
Answer: 1

A code: RED = 27, then BLUE = ?
Answer: B=2, L=12, U=21, E=5 → 40

Choose the related pair: Prison – Inmate, School – ?
Answer: Student

Fire: Extinguish :: Disease: ?
Answer: Cure

Choose the related pair:
Doctor : Hospital :: Soldier : ?
A. Gun
B. Weapon
C. Uniform
D. Barracks
Answer: D. Barracks

Complete the number series:
5, 10, 20, 40, _
A. 60
B. 70
C. 80
D. 100
Answer: C.

Which one doesn’t belong in the group?
A. Table
B. Bed
C. Sofa
D. Hammer
Answer: D. Hammer (It’s a tool, others are furniture)

If 2 + 3 = 13, 3 + 4 = 25, 4 + 5 = 41, what is 5 + 6?
A. 61
B. 50
C. 65
D. 49
Answer: A. 61
(Logic: (2×3) + (2+3) = 6+5 = 11 → +2 = 13; similarly applied)

Choose the correct analogy:
Eye : See :: Ear : ?
A. Touch
B. Hear
C. Smell
D. Feel
Answer: B. Hear

If in a certain code, “COLD” = “DPME”, what is “HEAT”?
A. IFBU
B. IDBS
C. GDZS
D. IBFU
Answer: A. IFBU
(Each letter shifted by +1)

Which number is the odd one out?
121, 144, 169, 196, 225, 242
Answer: 242 (Not a perfect square)

A farmer has 17 goats, all but 9 ran away. How many are left?
A. 8
B. 9
C. 17
D. None
Answer: B. 9 (All but 9 ran away → 9 are left)

Find the missing number:
3, 6, 11, 18, 27, _
A. 36
B. 38
C. 41
D. 45
Answer: C. 38 (+3, +5, +7, +9, +11…)

Pick the analogy:
Fish : Water :: Bird : ?
A. Sky
B. Nest
C. Tree
D. Feather
Answer: A. Sky

Choose the related pair:
Book : Read :: Pen : ?
A. Ink
B. Paper
C. Write
D. Draw
Answer: C. Write

The day before two days after Monday is?
A. Sunday
B. Tuesday
C. Monday
D. Wednesday
Answer: B. Tuesday

Which is the odd one out?
Knife, Axe, Hammer, Needle
Answer: Needle (Others are cutting tools; needle is for sewing)

If DOG = 26, CAT = 24, then BAT = ?
Answer: 23
(D=4+O=15+G=7=26; C=3+A=1+T=20=24)

What comes next in the sequence?
A, C, F, J, O, _
A. S
B. T
C. U
D. V
Answer: B. T
(Positions: A(1), C(3), F(6), J(10), O(15), T(20): +2, +3, +4, +5, +6…)

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