Two nugget problemHow do you determine the two heaviest nuggets (out of sixteen) in the least amount of weighings?
Bertand's BoxPulling random silver and gold coins out of treasure chests (and mischievous pixies).
Balanced Field LengthWhat is your best strategy if your plane experiences an engine failure during take-off?
Fly on a Hexagonal PrismWhat is the shortest distance between opposite vertices?