# Can You Solve This Complex Riddle About Escaping a Cursed Temple?

This oneâ€™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). Itâ€™s all the other variables that confuse things.

# Can you figure out the answer to this clever prisoner hat puzzle?

Hereâ€™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 orâ€¦

# Can you solve this classic riddle about crossing a bridge?

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! Hereâ€™s the classic bridge riddle in animated form from Ted-Edâ€¦

# This Mathematical Riddle Explains All We Know of the Father of Algebra

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.

# The Disturbing Puzzle Game That Nobody Can Solve

On July 10th, 2014, a small, mysterious game called "Do Not Believe His Lies" was uploaded to the iOS app store. Since then, over 40,000 people have downloaded the app. Nobody has beaten it. Hell, nobody quite knows what it is, either.

# How To: Win Impressively At Gameshows Using Simple Maths

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 Figure Out This Parking Lot's Numbering System?

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.)

# These 55 Amazing Lego Riddles Will Push Your Brain to the Limit

A few of these Lego brick riddles can be easily solved. The rest? Not so much. In fact, some of them are really hardâ€”but definitely doable. They just require a little bit of imagination. Give them a try and post your answers in the comments. We will send a nice Lego set to the first person who gets them all right.