A-LevelEconomicsDemand and SupplyFeb/Mar 2025Paper 1 Q101 Mark

The quantity demanded of a product is given by QD = 400 – 10P, when P is the price in dollars. Supply of the product is fixed at 100 units. If the price is $20, what will be the position in the market?

Q: What topic does this question test?

This question tests Demand and Supply in A-Level Economics (syllabus code 9708). It is worth 1 mark.

AIt will be in disequilibrium with excess demand of 100 units.

BIt will be in disequilibrium with excess supply of 100 units.

CIt will be in equilibrium with 100 units traded.

DIt will be in equilibrium with 200 units traded.

✓ Correct Answer

The correct answer is A: It will be in disequilibrium with excess demand of 100 units.

📋 Examiner Report & Trap Analysis

Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...

🎯 Mark Scheme Breakdown

Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.

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About This A-Level Economics Question

Topic

This multiple-choice question tests Demand and Supply in A-Level Economics (syllabus code 9708). It is worth 1 mark.

Source

This question appeared in the Cambridge A-Level Economics Feb/Mar 2025 examination, Paper 1 Variant 2.

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