0580/33 May/Jun 2025, Question 6: Basic Probability
Cambridge IGCSE Mathematics 0580 · Paper 33 (Core) · Calculator · 1 mark
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The question, in short
A bag holds 6 blue counters; a probability scale arrow at 0.2 gives the chance of picking blue. Work out how many counters are in the bag in total.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 1 mark
- 1P(blue) = 0.2 = 6/total
- 2Total = 6 ÷ 0.2 = 30
Answer30
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