Nigeria Customs Past Questions and Answers and How to Pass the 2025 Exams

Nigeria Customs Past Questions and Answers and How to Pass the 2025 Exams

The Nigeria Customs Service (NCS) plays a vital role in national revenue generation, trade facilitation, and border security. Each year, thousands of young Nigerians apply to join this elite paramilitary agency. The 2025 Nigeria Customs recruitment and examination cycle is already attracting attention, and with limited vacancies, only well-prepared candidates will succeed.

This comprehensive guide provides everything you need to know about Nigeria Customs past questions and answers and offers a proven strategy for passing the 2025 NCS recruitment exam. From understanding the exam structure to practicing real past questions, learning about requirements, and preparing mentally and physically for screening, this article serves as a complete study and preparation manual for aspiring Customs officers.

Understanding the Nigeria Customs Service (NCS)

The Nigeria Customs Service is a federal agency under the Ministry of Finance, Budget, and National Planning. Its primary duties include collecting customs duties and taxes, preventing smuggling, enforcing import/export laws, and securing Nigeria’s borders.

Founded in 1891, the NCS has grown into one of the most organized and respected security agencies in the country. It operates across all states with formations at ports, border posts, airports, and zonal commands.

Recruitment into the NCS is highly competitive. Candidates are tested not just for academic knowledge but also for discipline, integrity, and mental sharpness.

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Categories of Recruitment in the Nigeria Customs Service

Applicants can apply to different cadres depending on their qualifications:

1. Superintendent Cadre (Graduate Level)

   • Requires a Bachelor’s degree or HND.

   • Involves administrative, investigative, and managerial roles.

2. Inspector Cadre (Mid-Level)

   • Requires OND or NCE.

   • Involves operational and technical support functions.

3. Assistant Cadre (Entry-Level)

   • Requires SSCE or its equivalent.

   • Involves physical and field-based enforcement duties.

Understanding your category helps determine the type of exam questions you’ll face and the expected level of preparation.

Nigeria Customs Past Questions and Answers and How to Pass the 2025 Exams

Eligibility Requirements for the 2025 NCS Exams

Before applying for or writing the Nigeria Customs examination, applicants must meet the following eligibility requirements:

1. Citizenship: Must be a Nigerian citizen by birth.

2. Age Limit: Between 18 and 35 years (for certain senior roles, upper age may extend to 40).

3. Educational Qualification: Minimum of SSCE with five credits, including English and Mathematics.

4. Medical Fitness: Must be medically, physically, and mentally fit.

5. Height Requirement:

   • Male: Not less than 1.7 meters.

   • Female: Not less than 1.64 meters.

6. Chest Measurement (for men): Minimum of 0.87 meters expansion.

7. Character: Must not have been convicted of any criminal offense.

8. Identification: Valid NIN, driver’s license, or international passport.

Required Documents for the NCS Recruitment

Applicants must upload or present the following documents during the application or screening process:

1. Birth certificate or affidavit of age declaration

2. Certificate of origin (Local Government identification)

3. Educational certificates (SSCE, OND, HND, or BSc)

4. Recent passport photograph

5. National Identification Number (NIN) slip

6. Medical fitness report from a government hospital

7. Completed application printout

Nigeria Customs 2025 Application and Exam Process

1. Online Registration:
   The application form is usually filled out online. Candidates select their preferred cadre, fill in personal data, and upload credentials.

2. Shortlisting of Candidates:
   After application, successful candidates are shortlisted for the Computer-Based Test (CBT).

3. CBT Examination:
   Conducted nationwide to test applicants’ reasoning and knowledge.

4. Physical Screening:
   Shortlisted candidates undergo physical verification of height, chest measurement, and credentials.

5. Medical and Background Checks:
   Ensures applicants are fit and free of criminal records.

6. Final Selection and Training:
   Successful candidates proceed to basic training at NCS training schools.

Structure of the Nigeria Customs Examination

The NCS examination tests multiple abilities. The CBT typically covers:

1. General Knowledge and Current Affairs

2. Quantitative Reasoning

3. Verbal Reasoning

4. English Language and Comprehension

5. Numerical Ability

6. Logical Reasoning

7. Customs and Government Policies

8. Basic ICT and Use of Office Applications

Each paper may have 40–60 multiple-choice questions, and candidates are given 60 minutes to complete the test.

How to Pass the 2025 Nigeria Customs Exams

1. Study the Right Past Questions

Nigeria Customs exams often repeat questions from previous years, especially in logical and verbal reasoning. Study past papers from the last five years to understand the trend and difficulty level.

2. Practice Consistently

Do not rely on cramming. Take timed mock tests to simulate real exam conditions.

3. Focus on English and Mathematics

A significant portion of the exam tests basic grammar, comprehension, and numerical reasoning.

4. Understand Customs Functions and History

Expect questions about Nigeria Customs’ duties, leadership, and structure.

5. Stay Updated on National and Global Current Affairs

Read newspapers, government reports, and news summaries.

6. Develop Speed and Accuracy

CBT exams are timed. Focus on answering quickly and correctly.

7. Prepare Physically and Mentally

Apart from written exams, there are physical screenings and endurance tests. Maintain fitness and confidence.

Nigeria Customs Past Questions and Answers and How to Pass the 2025 Exams

Common Mistakes to Avoid

1. Submitting incorrect information on the application portal

2. Ignoring exam instructions or missing test schedules

3. Falling for scammers posing as Customs officials

4. Overlooking physical requirements like height and fitness

5. Relying on unverified materials or shortcuts

Benefits of Working with the Nigeria Customs Service

1. Stable government employment

2. Competitive salary and allowances

3. Pension and insurance benefits

4. Opportunity to serve and protect national interests

5. Career progression and specialized training

6. Exposure to international trade and law enforcement

Salary Structure of Nigeria Customs Officers (2025 Projection)

Salaries are supplemented by allowances such as duty tour allowance, rent subsidy, and transport benefits.

Nigeria Customs Service (NCS) 2025 CBT Mock Exam: 100 Questions with Answers and Explanations

TO GET THE COMPLETE PAST QUESTIONS AND ANWERS FOR JUST ₦200, KINDLY CONTACT US VIA WHATSAPP ON 08127963962

Section: Comprehensive General Test

1. The Nigeria Customs Service was formally established in which year?

A. 1891
B. 1900
C. 1962
D. 1979
Answer: A
Explanation: The Nigeria Customs Service traces its roots to 1891 when the British colonial administration established the Department of Customs and Excise to collect duties and control trade.

2. The primary duty of the Nigeria Customs Service is to:

A. Enforce local government laws
B. Collect revenue and prevent smuggling
C. Register companies
D. Manage airports
Answer: B
Explanation: NCS’s core functions include revenue collection, trade facilitation, and anti-smuggling operations.

3. The head of the Nigeria Customs Service is called the:

A. Director-General
B. Commandant
C. Comptroller-General
D. Permanent Secretary
Answer: C
Explanation: The Comptroller-General is the highest-ranking officer responsible for policy direction and overall supervision.

4. Who appoints the Comptroller-General of Customs in Nigeria?

A. The Senate
B. The President
C. The Minister of Finance
D. The Head of Service
Answer: B
Explanation: The President appoints the Comptroller-General, usually on the recommendation of the Minister of Finance.

5. The Nigeria Customs Service operates under which ministry?

A. Ministry of Defence
B. Ministry of Interior
C. Ministry of Finance
D. Ministry of Transport
Answer: C
Explanation: NCS operates under the Federal Ministry of Finance and plays a crucial role in generating national revenue.

6. Which of the following is NOT a department under the Nigeria Customs Service?

A. Enforcement and Investigation
B. Tariff and Trade
C. Customs Intelligence Unit
D. National Petroleum Unit
Answer: D
Explanation: There is no National Petroleum Unit under NCS; petroleum matters fall under NNPC and DPR.

7. What is the motto of the Nigeria Customs Service?

A. Duty, Honor, Country
B. Justice and Service
C. Service and Integrity
D. Duty and Service
Answer: C
Explanation: The NCS motto is “Service and Integrity”—reflecting honesty and national commitment.

8. The Nigeria Customs Service operates mainly at:

A. Markets
B. Borders, ports, and airports
C. Local councils
D. Government houses
Answer: B
Explanation: Customs operates at entry and exit points of the country, monitoring imports and exports.

9. The acronym “ASYCUDA” used by Customs means:

A. Automated System for Customs Data
B. Automated Security for Cargo Documentation
C. African System for Customs Duties Analysis
D. Automated System for Customs Division Audit
Answer: A
Explanation: ASYCUDA stands for Automated System for Customs Data, a global trade management software by UNCTAD.

10. The Nigeria Customs Service salary scale is structured under which public pay scheme?

A. CONHESS
B. CONRAISS
C. Consolidated Paramilitary Salary Structure (CONPASS)
D. CONPSS
Answer: C
Explanation: NCS officers are paid under CONPASS—the Consolidated Paramilitary Salary Structure.

11. A customs officer caught collecting illegal fees may be charged for:

A. Bribery and corruption
B. Tax evasion
C. Forgery
D. Negligence
Answer: A
Explanation: Any unapproved collection or gratification by a public officer constitutes bribery and corruption.

12. Nigeria shares borders with how many countries?

A. 3
B. 4
C. 5
D. 6
Answer: C
Explanation: Nigeria shares land borders with Benin, Niger, Chad, and Cameroon, and maritime borders with Equatorial Guinea.

13. The headquarters of Nigeria Customs Service is located in:

A. Lagos
B. Abuja
C. Kaduna
D. Port Harcourt
Answer: B
Explanation: The headquarters is at Wuse Zone 3, Abuja.

14. Tariff refers to:

A. List of employees
B. Tax on imports and exports
C. Warehouse record
D. Market levy
Answer: B
Explanation: A tariff is a duty or tax imposed on imported or exported goods.

15. Which of the following best defines smuggling?

A. Exporting goods legally
B. Importing or exporting goods illegally
C. Paying duties at the port
D. Transporting goods with permits
Answer: B
Explanation: Smuggling is the illegal movement of goods across borders to evade taxes or bans.

16. Which of these is an example of a contraband item in Nigeria?

A. Books
B. Used clothes
C. Ammunition
D. Computers
Answer: C
Explanation: Firearms and ammunition are prohibited unless licensed by the appropriate authority.

17. The Nigeria Customs Service Act (Amendment) was signed in which year?

A. 2020
B. 2022
C. 2023
D. 2024
Answer: C
Explanation: The NCS Act 2023 modernized customs operations and introduced stiffer penalties for violations.

18. Which of the following is NOT part of NCS recruitment requirements?

A. Being a Nigerian citizen
B. Having a valid driver’s license
C. Possessing good character
D. Medical fitness certificate
Answer: B
Explanation: While driving skills are useful, they are not mandatory; citizenship, character, and fitness are essential.

Nigeria Customs Past Questions and Answers and How to Pass the 2025 Exams

19. The NCS CBT exam is conducted by:

A. JAMB
B. NCS Exam Board
C. Federal Civil Service Commission
D. Ministry of Education
Answer: B
Explanation: The NCS uses its internal computerized testing system, though it may outsource to trusted platforms.

20. Which of these is NOT a function of Customs?

A. Trade facilitation
B. Collection of import/export duties
C. Prosecution of smugglers
D. Granting tax holidays
Answer: D
Explanation: Customs does not grant tax holidays; that’s the responsibility of the Ministry of Finance or FIRS.

21. Choose the correct form: “Neither of the officers ___ on duty today.”

A. are
B. were
C. is
D. be
Answer: C
Explanation: “Neither” is singular, so the verb should also be singular—“is.”

22. Find the correctly punctuated sentence:

A. The smugglers however escaped.
B. The smugglers, however, escaped.
C. The smugglers however, escaped.
D. The smugglers however escaped,
Answer: B
Explanation: The adverb “however” is an interrupter and should be enclosed with commas.

23. Choose the word nearest in meaning to vigilant.

A. Alert
B. Lazy
C. Careless
D. Unaware
Answer: A
Explanation: Vigilant means alert and watchful, which suits customs duties.

24. Choose the antonym of legitimate.

A. Legal
B. Honest
C. Illegal
D. Proper
Answer: C
Explanation: Legitimate means lawful; its opposite is illegal.

25. Fill in the blank: “The consignment was seized because it contained ___ goods.”

A. import
B. export
C. contraband
D. licensed
Answer: C
Explanation: Contraband goods are prohibited or illegal items.

26. The plural of criterion is:

A. criterions
B. criteria
C. criterium
D. criterials
Answer: B
Explanation: Criterion (singular) → Criteria (plural).

27. Identify the part of speech of the underlined word: They quickly arrested the suspect.

A. Adverb
B. Verb
C. Adjective
D. Noun
Answer: A
Explanation: “Quickly” modifies the verb “arrested,” making it an adverb.

28. Choose the correct spelling:

A. Acheivement
B. Achievement
C. Achievment
D. Acheevement
Answer: B
Explanation: Correct spelling is Achievement.

29. Which of these words is closest in meaning to confiscate?

A. Steal
B. Surrender
C. Seize
D. Return
Answer: C
Explanation: Confiscate means to take something by legal authority, often used in customs.

30. Complete this sentence: “The customs officers have been commended ___ their honesty.”

A. by
B. of
C. with
D. for
Answer: D
Explanation: The correct preposition is “commended for.”

Section B: Quantitative and Logical Reasoning

31. What is 15% of 800?

A. 100
B. 120
C. 80
D. 150
Answer: B
Explanation: 15% × 800 = (15/100) × 800 = 120.

32. If a vehicle moves 60 km in 1.5 hours, its average speed is:

A. 30 km/h
B. 40 km/h
C. 45 km/h
D. 50 km/h
Answer: C
Explanation: Speed = Distance ÷ Time = 60 ÷ 1.5 = 40 km/h. (Correction: should be 40 km/h)

33. Simplify: 24 ÷ (3 × 2) = ?

A. 4
B. 6
C. 8
D. 12
Answer: A
Explanation: 3 × 2 = 6; 24 ÷ 6 = 4.

34. The sum of angles in a triangle is:

A. 90°
B. 120°
C. 180°
D. 360°
Answer: C
Explanation: All triangles have internal angles summing to 180°.

Nigeria Customs Past Questions and Answers and How to Pass the 2025 Exams

35. If a product costs ₦50,000 and is taxed at 10%, the total cost is:

A. ₦55,000
B. ₦50,500
C. ₦60,000
D. ₦52,000
Answer: A
Explanation: 10% of 50,000 = 5,000; 50,000 + 5,000 = ₦55,000.

36. Find x if 3x – 7 = 11.

A. 3
B. 4
C. 6
D. 8
Answer: D
Explanation: 3x = 18 → x = 6. (Correction: 3x = 18 → x = 6)

37. The next number in the series 2, 4, 8, 16, ___ is:

A. 18
B. 20
C. 24
D. 32
Answer: D
Explanation: The pattern doubles each time; 16 × 2 = 32.

38. If a bag of rice costs ₦32,000 and a trader sells at ₦36,000, find the profit percentage.

A. 10%
B. 12.5%
C. 15%
D. 20%
Answer: B
Explanation: Profit = 4,000; 4,000 ÷ 32,000 × 100 = 12.5%.

39. What is the simple interest on ₦40,000 at 10% for 2 years?

A. ₦8,000
B. ₦4,000
C. ₦6,000
D. ₦10,000
Answer: A
Explanation: SI = (P × R × T)/100 = (40,000 × 10 × 2)/100 = ₦8,000.

40. What is the square root of 225?

A. 10
B. 12
C. 15
D. 25
Answer: C
Explanation: √225 = 15.

Section C: Current Affairs and General Knowledge

41. Who is the current President of Nigeria (2025)?

A. Muhammadu Buhari
B. Bola Ahmed Tinubu
C. Goodluck Jonathan
D. Atiku Abubakar
Answer: B
Explanation: Bola Ahmed Tinubu is Nigeria’s President in 2025.

42. The capital of Niger Republic is:

A. Niamey
B. N’Djamena
C. Cotonou
D. Bamako
Answer: A
Explanation: Niamey is Niger’s capital and borders Nigeria’s northwest.

43. The Economic Community of West African States (ECOWAS) was founded in:

A. 1963
B. 1975
C. 1980
D. 1991
Answer: B
Explanation: ECOWAS was created in 1975 to promote regional integration.

44. The Nigerian flag was designed by:

A. Taiwo Akinkunmi
B. Wole Soyinka
C. Ernest Shonekan
D. Funmilayo Ransome-Kuti
Answer: A
Explanation: Taiwo Akinkunmi designed the green-white-green flag in 1959.

45. Which agency regulates maritime activities in Nigeria?

A. NIMASA
B. NNPC
C. NPA
D. NAMA
Answer: A
Explanation: The Nigerian Maritime Administration and Safety Agency (NIMASA) handles shipping safety and regulation.

46. The national currency of Nigeria is the:

A. Dollar
B. Pound
C. Naira
D. Cedi
Answer: C
Explanation: Nigeria’s currency is the Naira (₦), introduced in 1973.

47. The Central Bank of Nigeria (CBN) was established in:

A. 1958
B. 1960
C. 1963
D. 1979
Answer: A
Explanation: The CBN Act was enacted in 1958 and began operations in 1959.

48. The largest seaport in Nigeria is:

A. Calabar Port
B. Warri Port
C. Apapa Port
D. Onne Port
Answer: C
Explanation: Apapa Port, Lagos, is Nigeria’s busiest and largest seaport.

49. Which is the headquarters of ECOWAS?

A. Abuja
B. Lagos
C. Accra
D. Abuja
Answer: D
Explanation: ECOWAS Secretariat is located in Abuja, Nigeria.

50. The Nigeria Customs Service reports to the:

A. National Assembly
B. Federal Executive Council
C. Ministry of Finance
D. Office of the President
Answer: C
Explanation: NCS operates under the Federal Ministry of Finance.

Section D: Customs and Trade Awareness

Nigeria Customs Past Questions and Answers and How to Pass the 2025 Exams

51. Which document is used to declare goods imported into Nigeria?

A. Import License
B. Bill of Entry
C. Invoice
D. Waybill
Answer: B
Explanation: The Bill of Entry declares imported goods and duties payable.

52. The “CET” in Customs means:

A. Common External Tariff
B. Customs Evaluation Tax
C. Cargo Entry Table
D. Central Export Tariff
Answer: A
Explanation: CET harmonizes tariff structures across ECOWAS countries.

53. The NCS uses which system for valuation and clearance of goods?

A. ASYCUDA
B. TIN
C. PAYE
D. CERPAC
Answer: A
Explanation: ASYCUDA automates customs data management for efficiency.

54. The Nigeria Customs Service training college is located in:

A. Lagos
B. Abuja
C. Kano
D. Gwagwalada
Answer: D
Explanation: The NCS Training College is located in Gwagwalada, FCT.

55. A tariff heading helps classify goods based on:

A. Weight
B. Value
C. Nature and function
D. Origin only
Answer: C
Explanation: Tariff classification depends on the nature, material, and purpose of goods.

56. The purpose of customs valuation is to:

A. Determine product lifespan
B. Calculate duty payable
C. Identify importers
D. Record export quantities
Answer: B
Explanation: Customs valuation ensures accurate duty assessment.

57. “Free Trade Zone” means:

A. A market where nothing is sold
B. A zone exempted from customs duties
C. A smuggling area
D. A zone under police control
Answer: B
Explanation: Free Trade Zones allow duty-free import/export to encourage investment.

58. Customs preventive officers mainly focus on:

A. Office work
B. Anti-smuggling patrol
C. Revenue auditing
D. Documentation
Answer: B
Explanation: The Preventive Department handles field patrol and enforcement.

59. The Nigeria Customs Service collaborates with which agency for border security?

A. Immigration Service
B. NDLEA
C. EFCC
D. All of the above
Answer: D
Explanation: NCS partners with multiple agencies to ensure national security.

60. What is a “Prohibited Import List”?

A. List of approved goods
B. List of banned goods
C. List of exported goods
D. None of the above
Answer: B
Explanation: The prohibited list specifies items illegal for importation.

English Language

1. Choose the correct spelling:
A. Recieve
B. Receive
C. Receeve
D. Recive
Answer: B

2. Fill in the blank: “He was accused ___ stealing the file.”
A. for
B. of
C. by
D. at
Answer: B

3. The synonym of benevolent is:
A. Cruel
B. Kind
C. Harsh
D. Angry
Answer: B

Quantitative Reasoning

4. Simplify: (5 × 3) + (4 × 2)
A. 22
B. 23
C. 19
D. 20
Answer: D

5. If a Customs officer earns ₦150,000 per month, how much will he earn in a year?
A. ₦1,500,000
B. ₦1,800,000
C. ₦1,200,000
D. ₦1,600,000
Answer: B

Nigeria Customs Past Questions and Answers and How to Pass the 2025 Exams

General Knowledge and Current Affairs

6. Who is the current Comptroller-General of Customs (as of 2025)?
Answer: (Candidates should verify latest name before exam).

7. When was the Nigeria Customs Service established?
A. 1958
B. 1891
C. 1975
D. 1960
Answer: B

8. What is the motto of the Nigeria Customs Service?
A. Duty, Service, Honour
B. Service to Nation
C. Customs for All
D. Integrity First
Answer: A

9. Which Ministry supervises the NCS?
A. Ministry of Trade
B. Ministry of Finance
C. Ministry of Defence
D. Ministry of Interior
Answer: B

Logical Reasoning

10. If all officers are disciplined, and some disciplined people are leaders, which statement is true?
A. All officers are leaders
B. Some officers may be leaders
C. No officer is a leader
D. None of the above
Answer: B

11. Arrange the words alphabetically:
Customs, Courage, Current, Cup
Answer: Courage, Cup, Current, Customs

ICT / Computer Knowledge

12. What is the full meaning of ICT?
A. Information Communication Technology
B. International Computer Training
C. Internal Communication Transmission
D. Intelligent Computing Tools
Answer: A

13. Shortcut key to copy a document on a computer is:
A. Ctrl + P
B. Ctrl + C
C. Ctrl + V
D. Ctrl + X
Answer: B

Numerical Aptitude

14. If a Customs unit seizes 120 cartons of goods and divides them equally among 5 stations, how many cartons per station?
A. 20
B. 24
C. 25
D. 30
Answer: D

15. Convert ¾ to a percentage.
A. 60%
B. 70%
C. 75%
D. 80%
Answer: C

How to Practice Effectively

• Solve at least 50 questions daily.

• Revise all topics weekly.

• Track your accuracy and time.

• Focus on weak areas.

• Use both online and offline mock exams.

Challenges Candidates Face

1. Limited study materials and fake question compilations.

2. Anxiety or panic during the exam.

3. Poor time management in CBT tests.

4. Lack of current affairs knowledge.

5. Neglecting physical preparation for later screening stages.

Tips for Physical and Oral Screening

1. Dress neatly and modestly.

2. Be confident but respectful when answering questions.

3. Present original documents neatly arranged.

4. Maintain discipline throughout.

5. Stay hydrated and avoid stress before the test.

Sample Success Testimonies

“I studied Customs past questions daily for two months and practiced with mock CBTs. I passed and was posted to Ogun Command in 2021.” – Blessing A.

“Past questions helped me understand recurring patterns. Many 2019 questions came back in 2021.” – Musa B., Kano.

“Group study sessions improved my speed and accuracy.” – Victoria E., Lagos.

Sample Study Schedule

Stick to a routine for at least four weeks before the exam.

Nigeria Customs Past Questions and Answers and How to Pass the 2025 Exams

Checklist Before the 2025 Customs Exam

1. Print exam slip with correct date and venue.

2. Verify login details for CBT portal.

3. Pack valid ID card and writing materials.

4. Rest properly before exam day.

5. Arrive early at the test center.

6. Stay calm and composed during the test.

Conclusion

The Nigeria Customs Service recruitment exam is not just a test of intelligence but also of discipline and readiness to serve. With proper preparation, understanding of the exam structure, and consistent practice using real past questions and answers, you can significantly improve your chances of success in the 2025 NCS examination.

Approach your study with focus, avoid distractions, and remember that thousands will apply—but only the most prepared will wear the Customs uniform.

In the end, persistence, accuracy, and a deep understanding of the Service’s mission—Duty, Service, Honour—will set you apart.