Mr. Smith Had 4 Daughters: Try to Solve the Viral Riddle Only Geniuses Can Solve This Viral Math Equation—Can You? 15 Viral Riddles and Brain Teasers That Will Leave You Stumped for Days A Man Steals ...

This puzzle will require you to obtain a series of x-rays to find the solution. One is in the room you will solve the puzzle in, while another is in the kitchen. To wipe away the mold and grime that’s ...

You do not have to be a mathematician to figure out the series of equations involved in this brainteaser make no sense. This numerical riddle shows a pattern of addition equations before asking you to ...

Every so often it's good to exercise your brain with a math problem or two that forces you to recall principles you learned decades prior. As elementary as it might feel, you'd be surprised how easy ...

Good puzzlers don’t fall in love with their hypotheses. They keep their beliefs provisional, open to new evidence. They embrace the eraser and delete key. A. J. Jacobs is an editor for Esquire. As a ...