JAMB Past Questions
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jamb 2020 accounting
Q1. A trial balance shows total debits of ₦200,000 and total credits of ₦190,000. Assuming a single error, what is the likely cause?
AA transaction of ₦10,000 was recorded only on the debit side
BA transaction of ₦5,000 was omitted entirely
CA transaction of ₦10,000 was recorded twice on the credit side
DA transaction of ₦5,000 was recorded only on the credit side
Correct Answer: A
The difference of ₦10,000 (debits exceed credits) indicates a ₦10,000 transaction was recorded only on the debit side, causing the imbalance.
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jamb 2018 commerce
Q2. The existing system of government and the administrative sub-divisions of a country which affect the operations of business is described as
Aeconomic environment
Blegal environment
Cpolitical environment
Dsocial environment
Correct Answer: C
The political environment, including government systems and administrative structures, influences business through policies and regulations. Economic, legal, and social environments affect other aspects.
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jamb 2014 insurance
Q3. The payment made when the insured is not entitled to claim under a policy is
Avoluntary excess
Bex-gratia
Creturn premium
Dpremium
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jamb 2021 mathematics
Q4. If the binary operation ∗ is defined by m ∗ n = mn + m + n for any real number m and n, find the identity of the elements under this operation
Ae = 1
Be = -1
Ce = -2
De = 0
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jamb 2025 crk
Q5. After Jonah had been thrown into the sea and it ceased from its raging, the men with him
Acaught fish
Bfeared the Lord to save them
Cvowed
Dprayed to God for forgiveness
Correct Answer: C
The men feared God, offered sacrifices, and made vows after the sea calmed (Jonah 1:16).
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jamb 2025 crk
Q6. The two sons of Samuel that became judges in Israel were
AJoel and Abijah
BAbimelech and Abijah
CHophni and Phinehas
DJoel and Abimelech
Correct Answer: A
Joel and Abijah, Samuel’s sons, were corrupt judges in Beersheba, prompting the demand for a king (1 Samuel 8:1-3).
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jamb 2024 physics
Q7. The mechanical advantage of the machine shown above
A7.5
B15.5
C30
D60
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jamb 2003 chemistry
Q8. The commonest feature of the reactions at the anode is that
AElectrons are consumed
BOxidation is involved
CIons are reduced
DElectrode dissolves
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jamb 2022 commerce
Q9. The instrument establishing the Economic Community of West African States in 1975 is
AA decree
BA treaty
CAn act
DA constitution
Correct Answer: B
ECOWAS was established by a treaty signed in 1975 to promote regional economic integration and cooperation.
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jamb 2008 english
Q10. I knocked his door, but he.........
Ahas already ten
Bleft already
Cwould already leave
Dhad already left
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jamb 2024 chemistry
Q11. The number of molecules of helium gas contained in 11.5g of the gas is
A1.73 × 10²³
B1.73 × 10²²
C1.73 × 10²⁴
D1.73 × 10²¹
Correct Answer: C
Molar mass of He = 4 g/mol. Moles of He = 11.5 ÷ 4 = 2.875 mol. Number of molecules = 2.875 × 6.02 × 10²³ = 17.3 × 10²³ = 1.73 × 10²⁴.
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jamb 2015 civiledu
Q12. Based on the above diagram, the candidates would not have cheated if
Athey were well-spaced
Bthere was an invigilator
Cthey were hardworking
Dthere was nobody to copy from
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jamb 2019 physics
Q13. A force of 200N is applied to a copper wire with a cross-sectional area of 0.5m². What is the tensile stress?
A400 Nm⁻²
B100 Nm⁻²
C200 Nm⁻²
D500 Nm⁻²
Correct Answer: A
Tensile stress = Force/Area = 200/0.5 = 400 Nm⁻².
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jamb 2021 yoruba
Q14. Kí ni àkámọ̀ ọ̀rọ̀ 'ìgbàgbọ́'?
AÌfẹ́
BÌtura
CÌdánilójú
DAyọ̀
Correct Answer: C
Ìgbàgbọ́ ń tọ́ka sí ìdánilójú tàbí ìgbẹ́kẹ̀lé nínú nǹkan kan, bíi ẹ̀sìn tàbí ìgbẹ́kẹ̀lé lórí ẹnikan. Ó jẹ́ ọ̀rọ̀ tí ó ń sọ nípa ìgbẹ́kẹ̀lé.
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jamb 2010 chemistry
Q15. The final products of the reaction between methane and chloride in the presence of ultraviolet light are hydrogen chloride and
ADichloromethane
BTetrachloromethane
CChloromethane
DTrichloromethane
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jamb 2018 englishlit
Q16. This question is based on Literary Appreciation. From *King Baabu* by Wole Soyinka: 'Basha: You dumb skull of a bone head … you will face court martial for this. You look everywhere! You look everywhere? You search inside toilet bowl?' The person being addressed above is a
Asoldier
Bstudent
Cdomestic servant
Dlawyer
Correct Answer: A
The reference to 'court martial' indicates the person addressed is a soldier.
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jamb 2024 englishlit
Q17. The marketplace hummed with life, a vibrant mosaic of voices and colors. The literary device used in the excerpt above is
Ametaphor
Bsimile
Cpersonification
Dalliteration
Correct Answer: A
The marketplace is metaphorically described as a mosaic, implying its diversity.
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jamb 2017 chemistry
Q18. According to Charles's law, the volume of a gas becomes zero at
A-100°C
B-273°C
C-373°C
D0°C
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jamb 2018 mathematics
Q19. Using the table,What is the modal age?
A4
B5
C5
D7
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jamb 2014 government
Q20. One of the major problems of Nigerian federalism is
Alack of revenue to cater for the demands of the federation
Binadequate manpower to fill vacancies
Cimbalance in the structure and sizes of units of federation
Dpre-colonial administrative structure among the units of federation
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