Lines and Circles
Five distinct lines and five distinct circles are drawn in the plane. What is the maximum possible number of points that lie on at least two of these ten curves? Give an integer.
Related problems & prerequisites
Worth solving first
- Two Peaceful Queens 4.0/10
- Polygon Diagonals 3.0/10
- The Handshake Count 3.0/10
Source: Classic exercise in wide circulation; no traceable original source. Statement written for AxiomIQ.