MathDB
Arranging numbers in squares to get sum 120.

Source: ToT 2003 JO-1

June 26, 2011
geometryrectanglecombinatorics unsolvedcombinatorics

Problem Statement

There is 3×4×53 \times 4 \times 5 - box with its faces divided into 1×11 \times 1 - squares. Is it possible to place numbers in these squares so that the sum of numbers in every stripe of squares (one square wide) circling the box, equals 120120?
Back to ProblemsView on AoPS