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Nigeria Customs Service (NCS) Aptitude Test Past Questions and Answers

General Questions (50 Questions)

1) Who is the current Comptroller-General of the Nigeria Customs Service (NCS)?

A. Hameed Ali

B. Bashir Adewale Adeniyi

C. Ahmed Audi

D. Haliru Nababa

Answer: B

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2) The NCS was established in which year?

A. 1891

B. 1959

C. 1966

D. 1990

Answer: A

3) What was the revenue target for the NCS in the 2024 budget?

A. ₦3.5 trillion

B. ₦5.1 trillion

C. ₦6.4 trillion

D. ₦8.2 trillion

Answer: B

4) The primary legislation governing the operations of the NCS is the

A. 1999 Constitution

B. Customs and Excise Management Act (CEMA)

C. Finance Act

D. Economic Recovery Act

Answer: B.

5) Which of the following is a core function of the NCS?

A. Issuing international passports

B. Generating electricity

C. Revenue collection

D. Prosecuting electoral offenders

Answer: C

6) The NCS is under the supervisory control of which government ministry?

A. Ministry of Finance

B. Ministry of Interior

C. Ministry of Trade and Investment

D. Ministry of Justice

Answer: A.

7) Which NCS initiative aims to fast-track clearance for compliant traders?

A. The National Single Window

B. The Advance Ruling System

C. The Authorized Economic Operator (AEO) Program

D. The E-Customs Project

Answer: C

8) In 2024, the NCS introduced a new home-grown customs management software known as

A. NICIS II

B. e-Form M

C. B’Odogwu

D. Trade Hub

Answer: C

9) The NCS’s primary role in national security is best described as

A. Counter-terrorism operations

B. Border surveillance and anti-smuggling

C. Cybercrime prevention

D. Intelligence gathering for the military

Answer: B

10) What is the name of the NCS’s official quarterly news magazine?

A. Customs Today

B. The Nigeria Customs

C. Customs News

D. The Controller

Answer: B

11) The first head of the government of Nigeria was

A. Yakubu Gowon

B. Aguiyi Ironsi

C. Tafawa Balewa

D. Nnamdi Azikiwe

Answer: C

12) The first military president of Nigeria was

A. Sanni Abacha

B. Ibrahim Babangida

C. Ironsi

D. Yakubu Gowon

Answer: C

13) Nigeria became a republic in

A. 1963

B. 1960

C. 1976

D. 1961

Answer: B

14) The Northern and Southern protectorate was amalgamated in

A. 1914

B. 1919

C. 1921

D. 1900

Answer: A

15) The first Executive President was

A. Nnamdi Azikiwe

B. Olusegun Obasanjo

C. Sheu Shagari

D. Goodluck Jonathan

Answer: C

16) The first colonial governor-general of Nigeria was

A. Tulma Goldie

B. James Robertson

C. Huge Clifford

D. Lord Lugard

Answer: D.

17) The highest court in Nigeria is

A. Court of Appeal

B. Supreme court

C. Federal High Court

D. Magistrate court

Answer: B.

18) The first general election in Nigeria was held in

A. 1959

B. 1960

C. 1963

D. 1999

Answer: A.

19) Nigeria practice one of the following systems of government

A. Con-federalism

B. Unitarism

C. Paliamentaism

D. Federalism

Answer: D

20) The Secretary general of OPEC is

A. Abdulsaleam Kanuri

B. El-badri

C. Utuhu Kamirideen

D. Philip Effiong

Answer: D

21) The NCS often collaborates with which other agency to combat smuggling?

A. National Drug Law Enforcement Agency (NDLEA)

B. National Agency for Food and Drug Administration and Control (NAFDAC)

C. Nigerian Immigration Service (NIS)

D. All of the above

Answer: D

22) The motto of the NCS is

A. Justice and Progress

B. Service and Integrity

C. Pride and Service

D. Strength and Honour

Answer: B

23) A major seaport under the NCS’s jurisdiction is

A. Murtala Muhammed International Airport

B. Apapa Port

C. Jibiya Border Post

D. Idiroko Border Post

Answer: B

24) The NCS’s strategic plan for 2022-2026 focuses on all EXCEPT

A. Revenue generation

B. Trade facilitation

C. Political campaigning

D. Suppression of smuggling

Answer: C

25) The highest rank in the NCS is

A. Deputy Comptroller-General

B. Comptroller

C. Comptroller-General of Customs

D. Assistant Comptroller-General

Answer: C

26) The current secretary-general or commission chairman of Africa union is

A. Dlamini Zuma

B. Allasane Quattara

C. Emeka Anaoku

D. H. Desategn

Answer: A

27) The current president of the commission or secretary is of ECOWAS

A. H.Desategn

B. Kadre Desire Quedraogo

C. Allasane Quattara

D. Ike Ekweremalu

Answer: B

28) The headquarter of the UN is in

A. New York

B. Washington

C. Geneva

D. Vienna

Answer: A

29) UNO was founded in San Francisco in

A. 1939

B. 1914

C. 1945

D. 1950

Answer: C

30) The first military coup-de’tat in Africa was in

A. Libya

B. Liberia

C. Egypt

D. Nigeria

Answer: D

31) Nigeria became 36 states under the regime of

A. Olusegun Obasanjo

B. Sanni Abacha

C. Ibrahim Babangida

D. Yakubu Gowon

Answer: C

32) The first military head of state was

A. Yakubu Gowon

B. Aguiyi Ironsi

C. Olusegun Obasanjo

D. Ernest Shonekan

Answer: B

33) Oil can be found in one of the following states in Nigeria

A. Lagos

B. Anambra

C. Ondo

D. Ekiti

Answer: C.

34) Tin is majorly found in

A. Jos

B. Enugu

C. Kano

D. Imo

Answer: A

35) Oil was first discovered by Shell-BP in Nigeria

A. Oloibiri

B. Idanre

C. Warri

D. Kabba

Answer: A

36) The NCS often publicizes its seizures and revenue achievements to demonstrate

A. Its ability to spend money

B. Accountability and performance

C. Its political influence

D. Its need for more funding

Answer: B

37) The color of the NCS uniform is predominantly

A. Black

B. Green

C. Blue

D. Khaki Answer: D

38) The NCS plays a role in protecting

A. National monuments

B. Local industries from unfair competition

C. Private businesses from taxes

D. International airlines

Answer: B

39) A major land border station is located in

A. Seme

B. Bonny

C. Calabar

D. Warri

Answer: A

40) The NCS was able to exceed its revenue target in 2023 due largely to

A. Increased import duties

B. The implementation of the Forex Price Verification System

C. Donations from foreign countries

D. A reduction in operational costs

Answer: B

41) The Secretary general of OPEC is

A. Abdulsaleam Kanuri

B. El-badri

C. Utuhu Kamirideen

D. Philip Effiong

Answer: B

42) The current secretary-general of the United nation is

A. Ban ki Moon

B. António Guterres

C. Koffi Anaan

D. Boustro-Brouste Ghali

Answer: B

43) Which of the following pair of countries consist of the permanent security council of the UN

A. Brazil, Germany, France, USA, China

B. France, China, USSR, USA, Britain

C. France, Britain, Brazil, Newzealand

D. France, Germany, Japan, China

Answer: B

44) In order to qualify for the post of President in Nigeria the person must be and above

A. 35 years

B. 20 years

C. 40 years

D. 55 years

Answer: A

45) The name Nigeria coined out of

A. Niger Forest

B. Niger Area

C. River

D. Niger Textures

Answer: B

46) The first Inspector General of the Police Force was

A. Teslim Balogun

B. Louis Edet

C. Ademola Adetokunbo

D. Elias Balogun

Answer: B

47) The current secretary-general or commission chairman of Africa union is

A. Dlamini Zuma

B. Allasane Quattara

C. Emeka Anaoku

D. H. Desategn

Answer: A

48) The current president of the commission or secretary is of ECOWAS

A. H.Desategn

B. Kadre Desire Quedraogo

C. Allasane Quattara

D. Ike Ekweremalu

Answer: B

49) The headquarter of the UN is in

A. New York

B. Washington

C. Geneva

D. Vienna

Answer: A

50) UNO was founded in San Francisco in

A. 1939

B. 1914

C. 945

D. 1950

Answer: C

ENGLISH LANGUAGE (50 Questions)

Choose the word nearest to the word in bold

1) After many years of struggle as a trader, he struck gold

A. Became quite rich

B. Won a big contract

C. he became a gold miner

D. became a goldsmith

Answer: A

2) One significant character of the jet age is that it encourages people to cut corners

A. Not to face all problems

B. to want to become rich quickly

C. to want to avoid unnecessary hardships

D. forfeit the opportunity of further education.

Answer: B

3) The lady who won the beauty contest had a good gait

A. Stature

B. Figure

C. Elegance

D. carriage

Answer: B

4) It would need a high flyer to make a first class degree in the university

A. A smart performer

B. an outright genius

C. an outstanding scholar

D. an unmitigated swat

Answer: D

5) What you will find in the book is a bird’s eye view of the subject

A. A detailed account

B. a balanced account

C. biased treatment

D. a general survey

Answer: D

6) Hers was a chequered career

A. An interesting and successful career

B. a career full of sorrow and tears

C. a bright and memorable career

D. a career full of ups and downs

Answer: D

7) If experience is anything to go by, this action will prove a political mine field

A. A source of political benefits

B. a way out of political trouble

C. a cause for political joy

D. an invitation to political problems.

Answer: D

8) In my view, the play didn’t come off

A. Succeed

B. Fail

C. attract applause

D. take place

Answer: D

9) When the chips are down, we will know those who have the courage to stand

A. when we get to a crisis point

B. in the final analysis

C. when the blocks are lowered

D. when we get to the end of the road

Answer: D

10) She said boxing is, in fact her pet aversion

A. something she likes very much

B. something she dislikes very much

C. a hobby she loves to pursue

D. one thing she can’t miss

Answer: A

11) The gateman does his work perfunctorily

A. without commitment

B. with speed

C. mother’s pet

D. father’s pet

Answer: B

12) Members of the panel were working at cross-purposes

A. harmony

B. in disunity

C. for selfish purposes

D. stretch

Answer: A

13) The young man who distributed political pamphlets on campus was promptly repudiated

A. disowned

B. arrested

C. warned

D. killed

Answer: B

14) Adayi is a die-hard criminal

A. hard to kill

B. hard to arrest

C. remorseless

D. resentless

Answer: A

Fill each gap with most appropriate option from the list following the gap

15) In moments of serious economic hardship, many people are to turn to God.

A. Concerned

B. Inclined

C. Disposed

D. propensed

Answer: C

16) We cannot all wear expensive shoe in situation of

A. Diverent demand and supply

B. uneven wear and tear

C. different purchasing power

D. unpredictable national income

Answer: C

17) The centre – forward was consequently the goal was not allowed

A. In an offside position

B. very well positioned

C. brilliant player

D. the captain of the team

Answer: A

18) AIDS is disease that kills slowly but surely

A. Too much a deadly

B. deadly a

C. so deadly

D. such deadly a

Answer: D

19) We had a dull evening because

A. Hardly the talk had begun when the lights went off

B. hardly had the talk begun when the light went off

C. the talk had hardly begun when the light had gone out

D. the lights had hardly gone out when the talk began

Answer: A

20) Soyinka’s masterful of the atmosphere of his childhood helped to make his book, Ake, an

outright success

A. Evocation

B. Invocation

C. Convocation

D. revocation

Answer: A

21) Students will always blame their teachers when examination results are unfavourable

A. Won’t they

B. wouldn’t they

C. isn’t it

D. cant they

Answer: A

22) Okonkwo is a stubborn man; he will never his words

A. Chew

B. Spit

C. Eat

D. bite

Answer: C

23) Kindly me your book because my friend has mine

A. Borrow / borrowed

B. borrow /rent

C. lend / lent

D. lend/borrowed

Answer: D

24) Three quarters of the church painted by members the previous day

A. Were

B. Was

C. Is

D. are

Answer: B

25) The young boys have been caught with parts of the stolen machine but admitted stealing it

A. Neither of them has

B. neither of them have

C. none of them has

D. none of them have.

Answer: B

26) Watching carefully, I could see the fish along the bottom

A. Dotting

B. Crawling

C. Diving

D. darting

Answer: C

27) Emeka is now a student but it took him years to

A. Matured/mature

B. mature/mature

C. mature/matured

D. matured/matured

Answer: B

28) The rebels will soon fight back. We have been informed their

A. Of/predicament

B. about/ indulgence

C. on/rearmament

D. as for/advancement

Answer: C

29) Ali was honest and quite as a school boy but too much drinking has now changed his

and his tongue

A. Temperature/injured

B. character/tightened

C. temperament/loosened

D. innocence/worsened

Answer: C

30) The hospital was closed because there were no beds to put patients

A. Again/upon

B. off/on

C. down/at

D. up/in

Answer: D

31) The judge with his son travelling to Lagos now

A. Were

B. Shall

C. Is

D. are

Answer: C

32) A university teacher is an

A. Academic

B. Academics

C. Academician

D. academia

Answer: A

33) The adventurers ran into many in the forest

A. Dear

B. Dears

C. Deers

D. deer

Answer: D

34) The argument between the tow neighbous degenerated into

A. A free-for all

B. a free for all fight

C. a flee for all

D. a free fight

Answer: A

35) The class more girls than boys this session

A. Comprise of

B. comprises of

C. comprise

D. comprises

Answer: D

36) The tourist bought

A. A brown, small, Nigerian earthen pot

B. a small, brown Nigerian earthen pot

C. an earthen, brown, small Nigerian pot

D. a Nigerian small brown earthen

Answer: B

37) I have already the picture on the sitting-room wall

A. Hanged

B. Hunged

C. Hang

D. hung

Answer: D

38) Most of us will attend the conference at Ibadan later this year

A. Holding

B. Held

C. being held

D. to hold

Answer: A

39) I shall work hard so that I can a distinction in English

A. Secure

B. Make

C. Receive

D. grab

Answer: B

40) The baby was rather than I could bear

A. Much more troublesome

B. much too troublesome

C. so much troublesome

D. very much troublesome

Answer: A

41) Students were forbidden secret society

A. From joining

B. in joining

C. to join

D. joining

Answer: A

42) Of course, we all saw the culprit and hit the man on the head

A. Approached

B. Approaching

C. Approach

D. Approaches

Answer: C

43) A child that shows mature characteristics at any early age may be described as

A. Preconceived

B. Premature

C. Ingenuous

D. precocious

Answer: D

44) The company Director showed the contractor a of the proposed office complex

A. Prototype

B. Photograph

C. Microfilm

D. photocopy

Answer: A

45) you come early to the new house, clean up my flat

A. While

B. Chance

C. Should

D. should in case

Answer: C

46) This imposing edifice a fortune to build

A. Had costed

B. have cost

C. costed

D. cost

Answer: D

47) They let him go in to his age

A. Respect

B. Regard

C. Disregard

D. consideration

Answer: D

48) Some scientists are trying to human beings in their laboratories

A. Imitate

B. Replicate

C. Implicate

D. fabricate

Answer: B

49) He does not seem to know how to solve the problem

A. Does not he?

B. does he not?

C. does he?

D. doesn’t he?

Answer: C

50) These villagers to grow rice

A. Used

B. are used

C. were used

D. use

Answer: A

Mathematics (50 Questions)

1) The probabilities that Kodjo and Adoga pass an examination are ¾ and 3/5 respectively. Find the

probability of both boys failing the examination.

A. 1/10

B. 3/10

C. 1/2

D. 2/3

Answer: A

2) The mean of 20 observations in an experiment is 4. If the observed largest value is 23, Find the mean

of the remaining observations.

A. 4

B. 3

C. 2.85

D. 2.60

Answer: A

3) A group of eleven people can speak either English or French or both. Seven can speak English and six

can speak French. What is the probability that a person chosen at random can speak both English and

French?

A. 2/11

B. 4/11

C. 5/11

D. 11/13

Answer: B.

4) P (X n Y) is

A. 0

B. 2/15

C. 4/15

D. 11/15

Answer: A

5) P (X u Y) is

A. 0

B. 2/15

C. 4/15

D. 11/15

Answer: A

6) A box contains 2 white and 3 blue identical marbles. If two marbles are picked at Random, one after

the other, without replacement, What is the probability of picking two marbles of different colours?

A. 2/3

B. 3/5

C. 2/5

D. 7/20

Answer: D

7) Mrs. Jones is expecting a baby. The probability that it will be a boy is ½ and the Probability that the

baby will have blue eyes is ¼. What is the probability that she will have a Blue-eyed boy?

A. 1/8

B. 1/4

C. 3/8

D. 1/2

Answer: B

8) Convert the speed of 90 km per hour of a car to metres per second

A. 1.5 ms-1

B. 2.5 ms-1

C. 25 ms-1

D. 1.5 x 103ms-1

Answer: C

9) Uche and Chidi shared a sum of money on the ratio m:n. If Chidi’s share was N4,200.00, what was

Uche’s share?

A. N4,200n/m

B. N4,200/mn

C. N4,200m/n

D. N4,200/n

Answer: C

10) A husband contributes 7% of his income into a fund and his wife contributes 4% of her income. If the

husband earns N5,500 per annum (p.a) and his wife earns N4,000 p.a, find the sum of their contribution

to the fund.

A. N1,045

B. N605

C. N545

D. N490

Answer: C

11) A car is traveling at an average speed of 80kmh-1. Its speed in metres per second (m/s) Is

A. 13.3m/s

B. 22.2m/s

C. 133.3m/s

D. 222.2m/s

Answer: B

12) If the children share N10.50K among themselves in the ratio 6:7:8, How much is the largest share?

A. N3.00

B. N3.50

C. N4.00

D. N4.50

Answer: C

13) A trader makes a loss of 15% when selling an article. Find the ratio, selling price: cost price.

A. 3:20

B. 3:17

C. 17:20

D. 20:23

Answer: C

14) A car travels at Xkm per hour for 1 hour at Ykm per hour for 2 hours. Find its average speed.

A. 2x+2ykmh-1/3

B. x+ ykmh-1/3

C. x+2 ykmh-1

D. 2x+ ykmh-1/3

Answer: C

15) The ages of three men are in the ratio 3:4:5. If the difference between the ages of the oldest and

youngest is 18 years, find the sum of the ages of the three men.

A. 45 years

B. 72 years

C. 108 years

D. 216 years

Answer: C

16) A bicycle wheel of radius 42cm is rolled over a distance of 66m. How many revolutions does it make?

[Take π=22/7]

A. 2.5

B. 5

C. 25

D. 50

Answer: C

17) In a bag of oranges, the ratio of the good ones to the bad ones is 5:4. If the number of bad ones in

the bag is 36, how many oranges are there altogether?

A. 81

B. 72

C. 54

D. 45

Answer: A

18) A man is four times as old as his son. The difference between their ages is 36. Find the sum of their

ages.

A. 45 years`

B. 48 years

C. 60 years

D. 74 years

Answer: C

19) If 4m+3n = 5, find the ratio m:n 4m-3n 3

A. 7:4

B. 4:3

C. 3:4

D. 4:7

Answer: A

20) If 2x : (x+1) =3:2, what is the value of x?

A. 1/2

B. 1

C. 1½

D. 3

Answer: D

21) The ratio of the number of men to the number of women in a 20 member committee is 3:1. How

many women must be added to the 20 member committee so as to make the ratio of men to women

3:2 ?

A. 2

B. 5

C. 7

D. 9

Answer: B.

22) What is the probability of having an odd number in a single toss of a fair die?

A. 1/6

B. 1/3

C. ½

D. 2/3

Answer: C

Use the following information for questions 2 and 3

The surname of 40 children in a class was arranged in alphabetical order,16 of the surnames begin with

O, and 9 of the surnames begin with A. 14 letters of the alphabet do not appear as the first letter of a

surname.

23) What is the probability that the surname of a child picked at random from the class begins with

either O and A?

A. 5/8

B. 7/8

C. 9/16

D. 14/25

Answer: A

24) If more than one surname begins with a letter besides A and O, how many surnames begin with the

letter?

A. 2

B. 3

C. 4

D. 6

Answer: B

25) A fair coin is tossed twice. What is the probability of getting at least one head?

A. 1/4

B. 1/2

C. 3/4

D. 1

Answer: C. 3/4

26) The volume of a cylinder is 4840 cm³. If its height is 20 cm, what is its radius? (Take π = 22/7)

A. 7.0 cm

B. 8.8 cm

C. 11.0 cm

D. 22.0 cm

Answer: B. 8.8 cm

27) Simplify: (√3 – √2)²

A. 1

B. 5 – 2√6

C. 5

D. 6

Answer: B. 5 – 2√6

29) If the simple interest on a sum of money for 3 years at 8% per annum is ₦600, what is the principal?

A. ₦2,000

B. ₦2,500

C. ₦3,000

D. ₦3,500

Answer: B. ₦2,500

30) Find the mode of the numbers: 2, 3, 3, 3, 4, 4, 5, 6.

A. 3

B. 4

C. 5

D. 6

Answer: A. 3

31) Solve for x: 2(x + 3) = 5x – 2

A. 8/3

B. 4/3

C. 2

D. 4

Answer: A. 8/3

32) A bag contains 5 red, 4 blue, and 6 green balls. If a ball is picked at random, what is the probability

that it is not blue?

A. 4/15

B. 6/15

C. 11/15

D. 14/15

Answer: C. 11/15

33) If 4 workers can complete a job in 6 days, how many days will it take 8 workers working at the same

rate?

A. 2 days

B. 3 days

C. 4 days

D. 12 days

Answer: B. 3 days

34) The mean of five numbers is 12. If four of them are 10, 11, 13, and 14, find the fifth number.

A. 10

B. 11

C. 12

D. 13

Answer: C. 12

35) Factorize completely: 6x² – 13x + 6

A. (2x – 3)(3x – 2)

B. (6x – 1)(x – 6)

C. (3x – 2)(2x – 3)

D. (x – 2)(6x – 3)

Answer: A. (2x – 3)(3x – 2)

36) Find the area of a circle with a radius of 7cm. (Take π = 22/7)

A. 44 cm²

B. 154 cm²

C. 176 cm²

D. 308 cm²

Answer: B. 154 cm²

37) Solve the equation for x: 5x – 7 = 3x + 5

A. x = 2

B. x = 4

C. x = 6

D. x = 12

Answer: C. x = 6

38) A number is doubled and then 5 is added. The result is 17. What is the number?

A. 6

B. 7

C. 9

D. 11

Answer: A. 6

39) What is the Highest Common Factor (HCF) of 24 and 36?

A. 4

B. 6

C. 8

D. 12

Answer: D. 12

40) A cube has a volume of 64 cm³. What is the length of one of its sides?

A. 2 cm

B. 4 cm

C. 6 cm

D. 8 cm

Answer: B. 4 cm

41) Express 0.025 as a fraction in its simplest form.

A. 1/25

B. 1/40

C. 1/50

D. 1/250

Answer: B. 1/40

42) If 3 pencils cost ₦45, how much would 10 pencils cost?

A. ₦135

B. ₦150

C. ₦165

D. ₦180

Answer: B. ₦150

43) Which of these numbers is a perfect square?

A. 50

B. 64

C. 72

D. 84

Answer: B. 64

44) Calculate the simple interest on ₦10,000 for 2 years at 5% per annum.

A. ₦500

B. ₦1,000

C. ₦1,500

D. ₦2,000

Answer: B. ₦1,000

45) What is the value of 5! (5 factorial)?

A. 25

B. 60

C. 120

D. 125

Answer: C. 120

46) If a = 2 and b = -3, what is the value of a² – b²?

A. -5

B. 5

C. 13

D. -13

Answer: A. -5

47) The perimeter of a rectangle is 30 cm. If its length is 10 cm, what is its width?

A. 5 cm

B. 10 cm

C. 15 cm

D. 20 cm

Answer: A. 5 cm

48) Which of the following is an acute angle?

A. 90°

B. 120°

C. 45°

D. 180°

Answer: C. 45°

49) What is the square root of 0.81?

A. 0.9

B. 0.09

C. 8.1

D. 9.0

Answer: A. 0.9

50) A triangle with all sides of equal length is called:

A. Isosceles

B. Scalene

C. Equilateral

D. Right-angled

Answer: C. Equilateral


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