MathDB
exactly 2002 planes by 24 points

Source: Switzerland - Swiss TST 2002 p1

February 18, 2020
combinatoricscombinatorial geometryplanespoints

Problem Statement

In space are given 2424 points, no three of which are collinear. Suppose that there are exactly 20022002 planes determined by three of these points. Prove that there is a plane containing at least six points.