Jai Ho

The hardest problem on the hardest test

Jai Ho

Jai Ho

Educational videos and stories

By 3Blue1BrownFrom BoclipsNovember 12, 2025
More about this video

A geometry/probability question on the Putnam, a famously hard test, about a random tetrahedron in a sphere. This offers an opportunity not just for a lesson about the problem, but about problem-solving tactics in general.

#Explainer
#Mathematics
#Computer Science
#Physical Sciences
#Physics
#Advanced Secondary

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