Nigerian Customs Service Recruitment Examination Questions and Answers 2025

Etilove November 9, 2025

0 5 10 minutes read

Nigerian Customs Service Recruitment Examination Questions and Answers 2025

Below is the Compact Text Format version of 200 Nigerian Customs Service Recruitment Examination Practice Questions and Answers (2025 Edition).

These are original practice questions modeled after NCS recruitment tests conducted by the Nigeria Customs Service and JAMB Testing Unit, covering English, Mathematics, General Knowledge, Logic, Commerce, and ICT.

English (1–40)
Mathematics (41–80)
General Knowledge (81–120)
Logical Reasoning (121–150)
Customs & Economics (151–180)
ICT (181–200)

SECTION A: ENGLISH LANGUAGE (1–40)

Choose the correct synonym of abundant:
A. scarce B. plentiful C. rare D. insufficient
Answer: B
The meeting was adjourned ___ next week.
A. on B. at C. till D. for
Answer: C
The word benevolent means:
A. kind B. cruel C. strict D. harsh
Answer: A
Choose the correct spelling:
A. Accomodate B. Accommodate C. Acommodate D. Acomodate
Answer: B
The plural of crisis is:
A. crisises B. crises C. crisis D. crisus
Answer: B
The antonym of advance is:
A. forward B. retreat C. promote D. develop
Answer: B
She is used ___ early.
A. for getting B. to getting C. to get D. at getting
Answer: B
The passive form of “They built the bridge” is:
A. The bridge is built. B. The bridge was built. C. The bridge were built. D. The bridge has built.
Answer: B
The word transparent means:
A. clear B. opaque C. thick D. dark
Answer: A
Choose the correct option:
He congratulated me ___ my success.
A. on B. for C. at D. to
Answer: A
Opposite of generous: stingy
Answer: Stingy
Which is correct? “The news ___ interesting.”
A. are B. were C. is D. be
Answer: C
“She seldom ___ late.”
A. arrive B. arrives C. arrived D. arriving
Answer: B
Choose correct order: “Neither John nor his friends ___ present.”
A. is B. are C. was D. be
Answer: B
“The exam was postponed ___ next Friday.”
A. to B. on C. for D. by
Answer: A
The synonym of obstacle:
A. barrier B. passage C. route D. bridge
Answer: A
“He speaks English fluently” – change to passive:
A. English is spoken fluently by him.
Answer: Correct
The antonym of victory is defeat.
Answer: Defeat
The opposite of ancient is modern.
Answer: Modern
Choose the correct option: “I prefer rice ___ beans.”
A. than B. to C. with D. from
Answer: B
Which of these is a correct sentence?
A. He does not knows. B. He do not know. C. He does not know. D. He don’t know.
Answer: C
“She said that she ___ to school.”
A. go B. gone C. goes D. was going
Answer: D
The antonym of arrogant:
A. humble B. proud C. boastful D. wicked
Answer: A
“I was born ___ April.”
A. at B. in C. on D. for
Answer: B
“The patient died ___ malaria.”
A. of B. from C. with D. due
Answer: A
Which sentence is correct?
A. Neither of them were here. B. Neither of them was here.
Answer: B
The past participle of fly is flown.
Answer: Flown
“He has been absent ___ Monday.”
A. from B. since C. for D. till
Answer: B
The antonym of construct is destroy.
Answer: Destroy
The opposite of accept is reject.
Answer: Reject
“No sooner had he arrived ___ it started raining.”
A. when B. than C. then D. until
Answer: B
“He was accused ___ stealing.”
A. of B. with C. for D. to
Answer: A
“Each of the boys ___ given a pen.”
A. were B. are C. was D. have
Answer: C
The antonym of expand is contract.
Answer: Contract
“A stitch in time saves ___.”
A. nine B. ten C. one D. much
Answer: A
“They arrived ___ the airport.”
A. in B. at C. on D. to
Answer: B
“We were waiting ___ the rain stopped.”
A. when B. until C. since D. though
Answer: B
“The police ___ arrested the thief.”
A. has B. have C. are D. is
Answer: B
“He went there ___ foot.”
A. in B. by C. on D. with
Answer: C
“I am looking forward ___ hearing from you.”
A. to B. at C. for D. on
Answer: A

Nigerian Customs Service Recruitment Examination Questions and Answers 2025

SECTION B: MATHEMATICS / QUANTITATIVE REASONING (41–80)

Simplify: 24 ÷ 3 × 2 = 16
Answer: 16
Find 25% of 80. → 20
Answer: 20
5² + 3² = 34
Answer: 34
Convert 0.75 to a fraction. → ¾
Answer: ¾
15% of ₦2000 = ₦300
Answer: ₦300
If 4x = 12, find x. → 3
Answer: 3
A rectangle of length 8 cm and width 4 cm has area = 32 cm²
Answer: 32
The average of 4, 6, 8, 10 = 7
Answer: 7
3³ = 27
Answer: 27
The ratio of 10 to 25 = 2 : 5
Answer: 2 : 5
2 hours = 120 minutes
Answer: 120
¼ of 60 = 15
Answer: 15
Simple interest on ₦2000 at 5% for 2 years = ₦200
Answer: ₦200
A dozen eggs = 12
Answer: 12
If x = 5, then 2x + 3 = 13
Answer: 13
1000 m = 1 km
Answer: 1 km
√49 = 7
Answer: 7
The perimeter of a square with side 6 cm = 24 cm
Answer: 24
The mean of 10, 20, 30, 40, 50 = 30
Answer: 30
A car travels 60 km in 2 hrs → Speed = 30 km/hr
Answer: 30
The largest 2-digit number is 99
Answer: 99
9 × 9 = 81
Answer: 81
⅔ of 90 = 60
Answer: 60
The value of π ≈ 3.142
Answer: 3.142
Perimeter of rectangle = 2(l + b)
Answer: Formula
Convert 2.5 hours to minutes = 150 min
Answer: 150
5% of ₦10,000 = ₦500
Answer: ₦500
2/5 of 100 = 40
Answer: 40
¾ of 200 = 150
Answer: 150
If 12 boys share ₦480 equally, each gets ₦40
Answer: ₦40
Convert ¼ to percentage = 25%
Answer: 25%
A right angle = 90°
Answer: 90°
1 litre = 1000 ml
Answer: 1000 ml
If a man earns ₦60,000 monthly, yearly income = ₦720,000
Answer: ₦720,000
½ of 0.8 = 0.4
Answer: 0.4
(6 + 4) × 2 = 20
Answer: 20
Sum of angles in a triangle = 180°
Answer: 180°
0.25 × 400 = 100
Answer: 100
Area of a circle = πr²
Answer: Formula
Square of 12 = 144
Answer: 144

Nigerian Customs Service Recruitment Examination Questions and Answers 2025

SECTION C: GENERAL KNOWLEDGE / CURRENT AFFAIRS (81–120)

The Nigeria Customs Service was established in 1891.
Answer: 1891
The head of NCS is called the Comptroller-General of Customs.
Answer: Comptroller-General
The current supervising ministry is Federal Ministry of Finance.
Answer: Finance
The NCS motto is “Justice and Honesty.”
Answer: Justice and Honesty
NCS is responsible for revenue collection and anti-smuggling.
Answer: Revenue & anti-smuggling
The national currency is the Naira (₦).
Answer: Naira
Nigeria became independent in 1960.
Answer: 1960
The capital of Nigeria is Abuja.
Answer: Abuja
ECOWAS was founded in 1975.
Answer: 1975
First Nigerian President: Dr. Nnamdi Azikiwe.
Answer: Azikiwe

Nigerian Customs Service Recruitment Examination Questions and Answers 2025

SECTION C (continued): GENERAL KNOWLEDGE & CURRENT AFFAIRS (91–120)

Nigeria became a Republic in 1963.
Answer: 1963
The green color in Nigeria’s flag represents agriculture.
Answer: Agriculture
The white color in Nigeria’s flag stands for peace and unity.
Answer: Peace and unity
The first military Head of State in Nigeria was Major General Aguiyi Ironsi.
Answer: Aguiyi Ironsi
The current Comptroller-General of the NCS (as of 2025) is Adewale Adeniyi.
Answer: Adewale Adeniyi
The NCS operates under the Nigeria Customs and Excise Management Act (CEMA).
Answer: CEMA
The main seaports in Nigeria are located in Lagos, Port Harcourt, and Calabar.
Answer: Lagos, PH, Calabar
The NCS is a member of the World Customs Organization (WCO).
Answer: WCO
The head office of the Nigeria Customs Service is in Abuja.
Answer: Abuja
The NCS collects duties on imports and exports.
Answer: Imports and exports
The acronym WCO stands for World Customs Organization.
Answer: World Customs Organization
The agency responsible for issuing international passports in Nigeria is NIS (Nigeria Immigration Service).
Answer: NIS
The Central Bank of Nigeria was established in 1958.
Answer: 1958
Nigeria’s national anthem was adopted in 1978.
Answer: 1978
The ECOWAS headquarters is in Abuja, Nigeria.
Answer: Abuja
The United Nations was founded in 1945.
Answer: 1945
The agency responsible for road safety in Nigeria is FRSC.
Answer: FRSC
The NCS is under the control of the Federal Government.
Answer: Federal Government
Who is the Minister of Finance (as of 2025)? Wale Edun.
Answer: Wale Edun
The Nigerian Customs Service is divided into how many zones? Six (A–F).
Answer: Six zones
Import duties are taxes charged on goods brought into Nigeria.
Answer: Imported goods
Export duties are charges on goods leaving the country.
Answer: Exported goods
The official residence of the President of Nigeria is called Aso Rock Villa.
Answer: Aso Rock Villa
Customs officers wear olive green uniforms.
Answer: Olive green
Nigeria practices a federal system of government.
Answer: Federal
The Nigerian Customs Service was formerly part of the Department of Trade.
Answer: Department of Trade
The body that controls air transport in Nigeria is FAAN.
Answer: FAAN
The highest law of Nigeria is the Constitution.
Answer: Constitution
The acronym “NCC” stands for Nigerian Communications Commission.
Answer: Nigerian Communications Commission
The largest river in Nigeria is River Niger.
Answer: River Niger

Nigerian Customs Service Recruitment Examination Questions and Answers 2025

SECTION D: LOGICAL AND VERBAL REASONING (121–150)

If all Customs officers are civil servants, and some civil servants are women, then:
A. All Customs officers are women
B. Some women are Customs officers
C. No women are Customs officers
D. All women are Customs officers
Answer: B
Which word does not belong?
A. Boat B. Ship C. Car D. Canoe
Answer: C
Complete the series: 2, 4, 8, 16, __?
A. 18 B. 20 C. 32 D. 24
Answer: C
If BREAD = 25, what is BEAD?
A. 20 B. 15 C. 19 D. 24
Answer: C
Find the odd one: Apple, Mango, Yam, Orange.
Answer: Yam
If ALL = 27, BALL = ?
A. 54 B. 36 C. 45 D. 63
Answer: A
Which comes next? ACE, BDF, CEG, ___
A. DFH B. DGI C. EGH D. EFH
Answer: B
A father is twice as old as his son. If the son is 15, the father is ___
Answer: 30
In a family of 5, every child has 2 sisters. How many girls are there?
Answer: 3
If today is Tuesday, what day will it be 15 days from now?
Answer: Wednesday
Choose the correct analogy: Hand : Glove :: Foot : ?
Answer: Shoe
If some Customs officers are inspectors and all inspectors are officers, then all Customs inspectors are officers.
Answer: True
Arrange in order: 125, 64, 27, 8, 1.
Answer: 1, 8, 27, 64, 125
If CAT = 24, DOG = ?
Answer: 26
The opposite of “Always” is “Never.”
Answer: Never
Which number completes the series: 3, 6, 12, 24, 48, __
Answer: 96
If you rearrange “CUSTOME,” you get:
Answer: CUSTOMER
A polygon with 8 sides is called an octagon.
Answer: Octagon
Which word is different?
A. Joy B. Sadness C. Happiness D. Delight
Answer: B
A clock shows 9:30. What is the angle between hour and minute hands?
Answer: 105°
A code: CAT = 3120, BAT = 2120, what is MAT?
Answer: 13120
“Honesty” is to “Integrity” as “Bravery” is to “Courage.”
Answer: Courage
Opposite of “Artificial”? Natural
Answer: Natural
Choose related word: Book : Library :: Soldier : ?
Answer: Barracks
If 5 men can build a fence in 10 days, 10 men will build it in ___ days.
Answer: 5
If “Cup” is related to “Drink,” “Plate” is related to “Eat.”
Answer: Eat
“Rain” is to “Umbrella” as “Sun” is to “Shade.”
Answer: Shade
“Ship” is to “Sea” as “Plane” is to “Air.”
Answer: Air
Which one is different: January, March, May, July.
Answer: All have 31 days — none; trick question.
Opposite of “Bravery”? Cowardice
Answer: Cowardice

Nigerian Customs Service Recruitment Examination Questions and Answers 2025

SECTION E: ECONOMICS / CUSTOMS OPERATIONS (151–180)

Importation means bringing goods into a country.
Answer: Into
Exportation means sending goods out of a country.
Answer: Out of
Tariff means a tax on imports or exports.
Answer: Tax
The balance of trade is the difference between exports and imports.
Answer: Exports and imports
Customs duty is collected at ports, borders, and airports.
Answer: Ports, borders, airports
The abbreviation FOB means Free on Board.
Answer: Free on Board
CIF means Cost, Insurance, and Freight.
Answer: Cost, Insurance, Freight
Excise duty is tax on locally manufactured goods.
Answer: Locally manufactured goods
Prohibited goods are items banned from importation or exportation.
Answer: Banned goods
An import license allows a trader to bring goods into Nigeria legally.
Answer: Bring goods legally
A bonded warehouse is a place for storing goods until duties are paid.
Answer: Until duties are paid
Examples of dutiable goods include cars, electronics, and alcohol.
Answer: Cars, electronics, alcohol
Nigeria Customs Service uses ASYCUDA for electronic processing.
Answer: ASYCUDA
The Customs rank immediately below Comptroller-General is Deputy Comptroller-General.
Answer: Deputy Comptroller-General
Goods not declared are called smuggled goods.
Answer: Smuggled goods
Smuggling harms the economy by reducing government revenue.
Answer: Reduces revenue
The Customs Training College is located at Gwagwalada, Abuja.
Answer: Gwagwalada
The term manifest means a document listing goods on a ship or plane.
Answer: List of goods
Import substitution encourages local production.
Answer: Local production
Quarantine services protect plants and animals from diseases.
Answer: Plants and animals
Customs works closely with NDLEA and Immigration.
Answer: NDLEA, Immigration
Duties are paid in Naira.
Answer: Naira
An exporter is a person who sells goods abroad.
Answer: Sells abroad
Dumping means selling goods below cost in another country.
Answer: Below cost
The abbreviation WTO means World Trade Organization.
Answer: World Trade Organization
Nigeria Customs was restructured under Decree No. 45 of 1992.
Answer: Decree 45 of 1992
A smuggler is a person who imports or exports goods illegally.
Answer: Imports or exports illegally
Tariffs help protect local industries.
Answer: Local industries
Customs officers are also responsible for anti-smuggling operations.
Answer: Anti-smuggling
The Nigeria Customs Service motto emphasizes Integrity and Patriotism.
Answer: Integrity and Patriotism

Nigerian Customs Service Recruitment Examination Questions and Answers 2025

SECTION F: ICT AND DATA PROCESSING (181–200)

CPU stands for Central Processing Unit.
Answer: Central Processing Unit
The brain of the computer is the CPU.
Answer: CPU
Input devices include keyboard and mouse.
Answer: Keyboard, mouse
Output devices include monitor and printer.
Answer: Monitor, printer
RAM means Random Access Memory.
Answer: Random Access Memory
ROM means Read Only Memory.
Answer: Read Only Memory
The full meaning of ICT is Information and Communication Technology.
Answer: Information and Communication Technology
Microsoft Word is used for word processing.
Answer: Word processing
The Internet is a global network of computers.
Answer: Global network
A computer virus is a malicious program.
Answer: Malicious program
The unit of computer speed is Hertz (Hz).
Answer: Hertz
The device used to connect to the internet is called a modem.
Answer: Modem
In email, “cc” means carbon copy.
Answer: Carbon copy
“www” stands for World Wide Web.
Answer: World Wide Web
The shortcut to copy text in Windows is Ctrl + C.
Answer: Ctrl + C
The shortcut to paste text is Ctrl + V.
Answer: Ctrl + V
Data stored permanently in a computer is in ROM.
Answer: ROM
The device that displays visual output is a monitor.
Answer: Monitor
An antivirus program helps protect the computer from malware.
Answer: Protects from malware
The NCS uses ICT for customs clearance, e-payments, and tracking.
Answer: Clearance, e-payments, tracking