What this practice covers
These questions are drawn from past CIE 9708 papers and filtered to utility. You answer, you find out immediately whether you were right, and you get the reasoning for the correct option and for each distractor. Wrong answers go to a mistakes locker so you can come back to exactly those.
Practice is free. You need an account only so your progress and your mistakes are still there next time.
Start practising Paper 3 MCQs →
What examiners see students get wrong here
These are the errors that cost marks on utility, taken from our own topic notes. Read them before you practise and you will recognise the traps in the questions.
- Confusing TU with MU.
- Saying falling MU means falling TU.
- Omitting the change in quantity from the MU formula.
- Comparing MU alone instead of MU/P when prices differ.
- Giving the ratio MUx/MUy = Px/Py without explaining reallocation.
- Forgetting the budget constraint.
- Treating exact equality as compulsory when goods are indivisible.
- Deriving market demand when the syllabus asks for an individual demand curve.
Revise it first
If any of the above is unfamiliar, work through the notes before practising: Utility revision notes.