0580/12 Oct/Nov 2025, Question 10: Basic Probability
Cambridge IGCSE Mathematics 0580 · Paper 12 (Core) · Non-calculator · 1 mark
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The question, in short
A bag holds red and green balls in the ratio 2 : 3; one ball is chosen at random, so find the probability it is red.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 1 mark
- 12 + 3 = 5 parts, 2 of them red
- 2P(red) = 2/5
Answer2/5
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