2024 JAMB Commerce Past Questions

A secondary alkanol can be oxidized to give an?

1. A.alkanone✓ Correct
2. B.alkyne
3. C.alkanoic acid
4. D.alkanal

Dependency ratio is determined by

1. A.rate of natural increase✓ Correct
2. B.age structure
3. C.net migration
4. D.sex composition

The sum to infinity of a GP is 100, find its first term if the common ratio is -$\frac{1}{2}$

1. A.150
2. B.155✓ Correct
3. C.160
4. D.165

From the table above, determine the upper - class boundary of the modal class

1. A.21.5
2. B.30.5
3. C.20.5
4. D.10.5✓ Correct

Which conference, held in 1884-1885, laid the groundwork for the partition of Africa among European powers?

1. A.A. Congress of Vienna
2. B.B. Treaty of Tordesillas
3. C.C. Treaty of Versailles
4. D.D. Conference of Berlin✓ Correct

An alternative graphic method that can be used to depict the same information as a pie chart is the___________

1. A.Divided Rectangle
2. B.Chloropleth
3. C.Dot man
4. D.Proportional Circle✓ Correct

In the Hausa pre-colonial political system, the spiritual and political powers were vested in the

1. A.A. Emir✓ Correct
2. B.B. Madawaki
3. C.C. Galadima
4. D.D. Waziri

The wavelength of a wave traveling with a velocity of 420 ms$^{-1}$ is 42 m. What is its period?

1. A.1.2 s
2. B.1.0 s
3. C.0.5 s
4. D.0.1 s✓ Correct

Choose the option that best completes the sentence.  If her brother ____ here, he would call the police.

1. A.have been
2. B.will be✓ Correct
3. C.am
4. D.were

In a solar panel, solar beam is concentrated by using

1. A.Concave mirror
2. B.Convex mirror
3. C.Plane mirror
4. D.Triangular mirror✓ Correct