In a class, 60% of students play cricket and 50% play football. If every student plays at least one of the two sports, what percentage play both?
- A.5%
- B.10% ✓
- C.15%
- D.20%
Explanation: By the rule for overlapping groups: both = cricket% + football% − 100% = 60+50−100 = 10%.
Class 6 IMO Mathematics Olympiad practice · HOTS / Achievers · Multi-Concept Achievers
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