Puzzles

Multigraphs
Puzzles

Multigraphs

By Stephen Meskin
I came across the following interesting problem from the 61st Annual International Mathematical Olympiad (IMO), which was held remotely on Sept. 20 & 21, 2020. The IMO is the world’s leading mathematical competition for high school students.

Road Race Shenanigans
Puzzles

Road Race Shenanigans

By Josh Feldman
With the pandemic going on far longer than anyone had imagined, our local gang used to meet at The Gardens in town so we could see each other in a socially distant way while keeping in touch.