Three coworkers would like to know their average salary. How can they do it, without disclosing their own salaries to other two? … [Continue reading]
100 doors
There are 100 doors, all closed. In a nearby cage are 100 monkeys. The first monkey is let out, and runs along the doors opening every one. The second monkey is then let out, and runs along the doors closing the 2nd, 4th, 6th,... all the … [Continue reading]
Cube Puzzle
You have a normal six sided cube. I give you six different colors that you can paint each side of the cube with (one color to each side). How many different cubes can you make? Different means that the cubes can not be rotated so that they look … [Continue reading]
