Logical riddles • Solution for ›Hexagon walk‹


There are eight ways of combining the numbers to sum up to 16:
1 + 2 + 3 + 4 + 6
1 + 2 + 6 + 7
1 + 3 + 5 + 7
1 + 4 + 5 + 6
2 + 3 + 4 + 7
2 + 3 + 5 + 6
3 + 6 + 7
4 + 5 + 7

Only one of them will work.