This one’s a doozy in that there is a lot going on. The goal is simple, you need to escape a collapsing tunnel with a group of nine people (including yourself). It’s all the other variables that confuse things.
Here’s another classic math riddle for you to prune your brain on a little bit: if people were lined up from tallest to shortest (meaning a person can see everything in front of them) and all wearing black or white hats, can you figure out which color hat you were wearing even if you had no idea how many black or…
Riddles can be fun but can also be really stressful when you start to feel your decently well-wrinkled brain shrivel into a prune. But hey! Tease the brain and the satisfaction of solving it outweighs the unnecessary stress added to your life, right? Right! Here’s the classic bridge riddle in animated form from Ted-Ed…
Diophantes was a Hellenistic Greek mathematician who lived around 200 AD. His claim to fame comes from substituting symbols for numbers and operations in equations, thus creating algebra, but everything else we know about his life comes from a single algebraic riddle.
Here's a fun clip from BBC Two's collegiate quiz show University Challenge. Host Jeremy Paxman asks the contestants what day of the week it will be 100 days after Monday. A player named Binnie responds quickly: "Wednesday." Paxman's face contorts. "How did you know that?" he asks, astonished.
Can you explain the numbering system in this parking lot? Like most good riddles, there are several clues hiding in plain sight, and the answer, once you see it, is clear as day. (And, if you're like me, you'll wonder why it didn't dawn on you sooner.)
"Why is a raven like a writing desk?" This question has been posed in many situations. It has been pondered by great minds. It is the most unanswerable famous riddle of all time, and it has an answer.