2022 JAMB Economics Past Questions

Consider the diagram below which shows a demand curve (d).   Total expenditure on a commodity is represented by the area TUVW. Consumer's surplus is represented by___________

1. A.The area VWX
2. B.The area XTUV
3. C.\(\frac {XW} {XT}\)✓ Correct
4. D.\(\frac {TU} {UV}\)

This question is based on Selected Poems from Johnson, R et al(eds): New Poetry from Africa; Soyinka, (ed); Poems of Black Africa; Senanu, K.E, and Vicent, T.(ed.): A Selection of African Poetry; Gbemisola A.: Naked Soles; Hayward, J.(ed.); The Penguin Book of English Verse and Nwoga, D.(ed.): West African Verse. Piano and Drums according to Okara's Piano and Drums are musical instruments of __________

1. A.contradictory tunes✓ Correct
2. B.complementary tunes
3. C.different cultural milieus
4. D.different rhythmic appeals

If N225.00 yields N27.00 in x years simple interest at the rate of 4% per annum, find x.

1. A.3
2. B.4
3. C.12✓ Correct
4. D.17

__________ is a special place prepared for raising seedlings which are later taken to the field for proper planting.

1. A.A. Nursery
2. B.B. Seed space
3. C.C. Primary✓ Correct
4. D.D. Secondary

Which of the following scenarios is an example of cohesion?

1. A.Water molecules stick to the surface of a mirror.
2. B.Water sticks to the walls of blood vessels.
3. C.Water molecules stay on the tip of a pine needle because the water is attracted to the surface of the needle.
4. D.Water molecules stick to one another and form a bead✓ Correct

Simplify $\frac{3^{-5n}}{9^{1-n}} \times 27^{n + 1}$

1. A.32
2. B.33
3. C.35
4. D.3✓ Correct

The default file extension for PowerPoint version 2007 and newer is ?

1. A.A. .ppxt✓ Correct
2. B.B. .pps
3. C.C. .ppt
4. D.D. .pptx

Identify the equation of the shaded region in the given graph

1. A.y > 1
2. B.x < 1✓ Correct
3. C.X > 1
4. D.y < 1

A boy receives the echo of his clap reflected by a nearby hill 0.8s later. If the speed of sound in air is 340ms$^-1$, how far is he from the hill?

1. A.66m✓ Correct
2. B.136m
3. C.264m
4. D.528m

What effect would a change in price of a commodity have on its supply?

1. A.An increase in supply
2. B.No change in supply
3. C.A decrease in supply
4. D.A change in the quantity supplied✓ Correct