The 'hardest logic puzzle in the world' has left many utterly baffled, with scores of people throwing in the towel after mere moments of attempting to solve it. The notorious blue eyes conundrum ...

Never Have I Ever, This or That, or 21 Questions. May the smart-aleck win! Also Read: What’s the World’s Hardest Puzzle? As much as we enjoy a nice themed trivia night, there are occasions ...

People have been left scratching their heads over the 'hardest logic puzzle in the world', with many admitting defeat just a few minutes in. The blue eyes brainteaser has been shared on social ...