What is the maximum number of points of intersection of 5 circles ?
- A. 10
- B. 15
- C. 20 ✓
- D. 25
Correct Answer: C. 20
Explanation
Two circles intersect at a maximum of 2 points. For 5 circles, there are 5C2 = 10 pairs, giving 10 * 2 = 20 points.
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