JAMB Past Questions
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jamb 2019 economics
Q1. The median of the data set: 8, 12, 16, 20, 24, 28 is
A16
B18
C20
D24
Correct Answer: B
Ordered: 8, 12, 16, 20, 24, 28. Median is the average of the 3rd and 4th values: (16 + 20)/2 = 18.
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jamb 2024 englishlit
Q2. The moon draped a silver veil over the sleeping valley. The literary device used in the excerpt above is
Ametaphor
Bsimile
Cpersonification
Dalliteration
Correct Answer: A
The moon’s light is metaphorically described as a silver veil, implying its gentle covering without using 'like' or 'as'.
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jamb 2007 physics
Q3. I. Mass II. Density III. Temperature IV. Nature of substance which of the above affect diffusion?
AI and II only
BI,II and IV only
CII, III and IV only
DI, II, III and IV
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jamb 2025 computerstudies
Q4. In programming, what is the purpose of a parameter in a function?
ATo store permanent data
BTo pass data to the function
CTo debug the function
DTo compile the function
Correct Answer: B
Parameters pass data to functions, enabling variable input processing.
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jamb 2024 government
Q5. The Barclays Bank and the British Petroleum Company in Nigeria were nationalized in the late 1970s for transacting business with
AFrance
BSouth Africa
CPortugal
DLibya
Correct Answer: B
They were nationalized for conducting business with apartheid South Africa, against Nigeria’s anti-apartheid stance.
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jamb 2025 crk
Q6. King Nebuchadnezzar assembled the satraps, the prefects and the governors to
Aworship the Lord
Bsend them to the provinces
Cinterpret his dream
Dthe dedication of the image
Correct Answer: D
Nebuchadnezzar gathered officials to dedicate his golden image (Daniel 3:2-3).
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jamb 2020 mathematics
Q7. The sum of the first 5 terms of an AP is 40, and the first term is 4. Find the common difference.
A2
B3
C4
D5
Correct Answer: A
Sum = n/2[2a + (n-1)d]. 40 = 5/2[2(4) + 4d] => 40 = 5/2(8 + 4d) => 16 = 8 + 4d => 4d = 8 => d = 2.
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jamb 2018 accounting
Q8. A business has sales of ₦500,000 and cost of goods sold of ₦350,000. What is the gross profit margin?
A30%
B35%
C25%
D40%
Correct Answer: A
Gross profit = ₦500,000 - ₦350,000 = ₦150,000. Margin = (₦150,000 / ₦500,000) × 100 = 30%.
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jamb 2020 commerce
Q9. The document regulating terms among partners is
APartnership Act
BPartnership agreement
CMemorandum of Association
DArticles of Association
Correct Answer: B
A partnership agreement specifies terms, profit-sharing, and responsibilities among partners.
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jamb 2024 chemistry
Q10. An organic compound contains 53.1% Carbon, 6.2% Hydrogen, 12.4% Nitrogen, and 28.3% Oxygen by mass. What is the molecular formula of the compound if its vapour density is 56.5? [C=12, H=1, N=14, O=16]
AC₅H₇NO₂
BC₅H₆NO₂
CC₃H₆NO₂
DC₃H₇NO₂
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jamb 2012 civiledu
Q11. A coup d’etat is regarded as
AA source of political legitimacy
BA manipulation of the constitution
CA constitutional way of changing the government
Dan unconstitutional way of changing the government
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jamb 2025 physics
Q12. What is the main purpose of a capacitor in an electrical circuit?
ATo increase resistance
BTo store electrical energy
CTo convert AC to DC
DTo step up voltage
Correct Answer: B
A capacitor stores electrical energy in an electric field between its plates and can release it when needed.
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jamb 2000 commerce
Q13. The major factors that facilitate merchandising are
Acommunication, advertising and banking
Btrading, warehousing and production
Cmanagement, insurance and advertising
Dbanking, insurance and transportation.
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jamb 2 insurance
Q14. The prices set by the insurer for the insurance cover is known as
ADue
BLevy
CPremium
DCharge
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jamb 2025 commerce
Q15. Coverage against unexpected events is called
AInsurance
BAssurance
CWarranty
DReinsurance
Correct Answer: A
Insurance covers unexpected events like accidents. Assurance is for certain events, warranties cover product defects, and reinsurance is for insurers.
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jamb 2021 physics
Q16. What does the law of gravitational potential state?
AGravitational potential is constant everywhere
BGravitational potential decreases with distance from a mass
CGravitational potential increases with the square of the distance
DGravitational potential is independent of mass
Correct Answer: B
The law of gravitational potential states that the gravitational potential due to a mass decreases with distance, given by V = -GM/r. This describes the work done per unit mass in a gravitational field.
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jamb 1997 accounting
Q17. At the end of a financial period, the trading profit and loss account of a company showed a profit of ₦120,000. It was however discovered that revenue of ₦12,000 was recorded as expenses while expenses of ₦4,000 had been recorded as revenue. What should be the correct profit for the period?
A₦104,000
B₦128,000
C₦136,000
D₦144,000
Correct Answer: C
Given information: Recorded profit: ₦120,000 Error 1: Revenue of ₦12,000 was recorded as expenses Error 2: Expenses of ₦4,000 were recorded as revenue Analysis of errors: Error 1: Revenue ₦12,000 recorded as expenses This reduced profit by ₦24,000 (₦12,000 revenue not added + ₦12,000 wrongly deducted as expenses) Correction: Add back ₦24,000 Error 2: Expenses ₦4,000 recorded as revenue This increased profit by ₦8,000 (₦4,000 wrongly added as revenue + ₦4,000 expenses not deducted) Correction: Deduct ₦8,000 Correct profit calculation: ₦120,000 + ₦24,000 - ₦8,000 = ₦136,000
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jamb 2012 commerce
Q18. A business organization that exploits the capabilities of a member to remedy the weaknesses of another is a
Ajoint venture
Bpartnership
Cnominal partnership
Dcooperative
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jamb 1999 accounting
Q19. Use the information below to answer questions 39 and 40 Determine the owners equity
A₦200,000
B₦215,000
C₦275,000
D₦755,000
Correct Answer: C
If Total Assets = ₦755,000 And Total Liabilities = ₦200,000 + ₦87,000 + ₦100,000 = ₦387,000 Then Owners' Equity = ₦755,000 - ₦387,000 = ₦368,000 But based on the equity section shown: Owners' Equity = ₦200,000 + ₦15,000 + ₦60,000 = ₦275,000 The answer is C. ₦275,000.RetryClaude can make mistakes. Please double-check responses.
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jamb 2013 history
Q20. All of the following are renowned historians except
AProf Ade Ajayi
BProf Toyin Falola
CProf Obaro Ikime
DProf Akin Oyebade
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