Puzzle for Today
Puzzle No. 200 – Monday 9 April
Sophie paints a different positive number on each face of a cube, so that the sum of the numbers on each pair of adjacent faces is a multiple of six. What is the smallest possible sum of all six numbers?
Today’s #PuzzleForToday has been set by Daniel Griller: mathematics teacher, olympiad problem composer, and author of the puzzle book Elastic Numbers.
The answer will be available for a week.
Click here for the answer
108. This is achieved with the six numbers 3,9,15,21,27,33.