2020 JAMB Mathematics Past Questions

This question is based on Abubakar Gimba's Witnesses to Tears. The witnesses to the tears in the novel are

1. A.Saahir and Lahab✓ Correct
2. B.Lahab and Hussaina
3. C.Lahab and Sagiir
4. D.Al-Amin and Hussaina

The Economic Commission for Africa was set up by the?

1. A.UNO✓ Correct
2. B.ECOWAS
3. C.OAU
4. D.IMF

Textile Industry Petroleum Industry Iron and Steel industry Cosmetics Industry Automobile Industry 7.2° 172.8° 115.2° 43.2° 21.6° The table above shows the employment distribution in a town with the share of the different industries depicted in degrees of a pie chart. The total number of workers in the town is 25,000. What is the total number of workers in the petroleum industry?

1. A.25,000✓ Correct
2. B.12,000
3. C.3,000
4. D.10,000

In the upper atmosphere, the ultra-violet light breaks off a free chlorine atom from chlorofluorocarbon molecule. The effect of this is that the free chlorine atom will

1. A.be very reactive and will attack ozone
2. B.be non-reactive and will not attack ozone
3. C.not change the level of ozone in the atmosphere
4. D.increase the level of ozone in the atmosphere✓ Correct

The relative atomic mass of a naturally occurring lithium consisting of 90%$\frac{7}{3}$Li and 10%$\frac{6}{3}$Li is

1. A.6.2
2. B.6.8✓ Correct
3. C.7.1
4. D.6.9

Sparse population in the middle belt of Nigeria can not be attributed to

1. A.Absence of major industries
2. B.Absence of major minerals✓ Correct
3. C.Poor soil
4. D.Slave trade

Which among the following generation computers had expensive operation cost?

1. A.A. First✓ Correct
2. B.B. Second
3. C.C. Third
4. D.D. Fourth

The magnetic force experienced by an electron moving in a magnetic field of flux density B is shown in the diagram. (Electronic charge = 1.6 × 10$^{-19}$C)

1. A.1.6 × 10$^{-18}$N
2. B.3.2 × 10$^{-11}$ N
3. C.3.2 × 10$^{-12}$ N
4. D.0.0 N✓ Correct

Nigerian Ports Authority is an example of

1. A.A. Civil Service
2. B.B. Public Service✓ Correct
3. C.C. Public Corporation
4. D.D. Maritime Corporation

This question is based on General Literary Principles. Romantic poetry emphasizes

1. A.the beauty of nature
2. B.intimate relationships
3. C.the love in human nature✓ Correct
4. D.the romance in human aspiration