- #1
haiha
- 136
- 1
My friend asks me this problem, and i fail. It seems unsolvable. Can anyone help
You have to use the scales 3 times to identify 4 balls which look identical but with different weights: 1; 2; 3 and 4kg each.
Thanks.
You have to use the scales 3 times to identify 4 balls which look identical but with different weights: 1; 2; 3 and 4kg each.
Thanks.