Two nuns were shopping in a food store and happened to be passing the beer and liquor section. One asks the other if she would like a beer. The other nun answered that would be good, but that she would be...

Recently, a new type of challenge has appeared on the net, although the quizzes themselves are not particularly new. It’s about good old-school mathematics. Trying this kind of challenge is exciting and fun, especially if it has been a bunch of...