Nine coins. Placed in a square they form eight rows of three coins each.
Theory states they can form more rows of three coins. How to get it in
practice?
It is said that two cubes with twelve digits on their faces are enough to
produce any date of year from them. Can you discover how the digits should
be placed on the cubes?
Two containers: 3L and 5L. An immense supply of water. And a "weighted
"question: how to get exactly 4L of water with all of this? Can it be
solved at all?.. Yes, it can.
