Theory of Cost and Revenue — JAMB Economics Past Questions

Theory of Cost and Revenue is one topic inside the JAMB Economics syllabus, and drilling it on its own is usually faster than revising the whole subject again. Below: which JAMB years have examined it, then real Theory of Cost and Revenue questions with worked answers.

When JAMB examined Theory of Cost and Revenue

Theory of Cost and Revenue questions appear in our bank for the JAMB years below. This is taken from the questions themselves, not from a syllabus outline — so if a year is listed, this topic was genuinely examined that year.

A topic that keeps reappearing is a topic JAMB keeps testing. Newer years matter most, because question style drifts.

Try Theory of Cost and Revenue questions

Real Economics questions tagged to Theory of Cost and Revenue. The first is worked through completely so you can see how our explanations read — the rest you can attempt now and check inside the app.

Economics · Theory of Cost and Revenue Sample 1 of 3

Determine the marginal revenue if the total revenue is ₦80.

  • A ₦12.00
  • B ₦18.00
  • C ₦14.00
  • D ₦16.00

Answer: A

Marginal revenue is the change in total revenue from selling one more unit. If TR increases by ₦16 per unit, MR = ₦16.

Economics · Theory of Cost and Revenue Sample 2 of 3

In order to maximize profits, a firm borrows until the return on investment:

  • A Equals the rate of interest
  • B Exceeds the rate of interest
  • C Is smaller than the rate of interest
  • D None of the above

Answer and full explanation are inside the app.

Check the answer
Economics · Theory of Cost and Revenue Sample 3 of 3

In capitalist economies, the economic problem of what goods to produce is decided mainly by:

  • A Shadow prices
  • B Relative prices
  • C Profit level
  • D A central planner

Answer and full explanation are inside the app.

Check the answer

Drill Theory of Cost and Revenue until it stops costing you marks

Filter Economics practice to Theory of Cost and Revenue alone, work through it with worked explanations, and let the analytics show you when it has actually stuck. Free to start.

Theory of Cost and Revenue in JAMB Economics: common questions

Are Theory of Cost and Revenue questions free?

Yes. Create a free account and every Economics question tagged to Theory of Cost and Revenue is available with a worked explanation. Past questions are not paywalled.

Is Theory of Cost and Revenue really examined?

Yes. Theory of Cost and Revenue appears in our bank across 8 JAMB years, taken from the questions themselves rather than a syllabus outline.

Can I practise Theory of Cost and Revenue on its own?

Yes. JambUp lets you filter Economics questions to a single topic, so you can drill Theory of Cost and Revenue until it stops costing you marks, then move on to the next weak area.