A graphic artist is testing everyone’s knowledge of the mathematical order of operations with a string of numbers and missing arithmetic symbols. Gergely Dudás, of Budapest, Hungary, shared the new ...

Only sharp minds can solve this matchstick puzzle in 21 seconds. Move one stick, think creatively, and see if you can find ...

A brain teaser is a short, playful puzzle designed to make your mind stretch and smile. It could be a riddle, a tricky question, a visual illusion, or a logic twist that nudges you to think beyond the ...

Brain teasers are one of the best puzzles to test the sharpness of the brain. Readers need to think outside the box for solving brain teasers. These challenges are presented in the form of a picture ...

A graphic artist is testing everyone’s knowledge of algebra and spot-the-difference skills with a pictograph math problem that assigns numbers to different fruits. Gergely Dudás, of Hungary Budapest, ...

Think you are smarter than most? This viral fruit math puzzle is stumping 90% of people online. You have just 11 seconds to ...

I never shy away from a good ol' brain teaser. Though they're often a harsh reminder that I should've paid way more attention in math class growing up, they're the perfect way to stretch my noggin ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Researchers at Duke University monitored participants’ brain activity while they completed simple math ...

Whether you’re a student, a lifelong learner, or just someone who enjoys a bit of a brain teaser now and then, we can all use ...

Add Yahoo as a preferred source to see more of our stories on Google. We're huge fans of riddles and puzzles around here, so it's no shock that a brain teaser making the rounds on the internet — "How ...

Merriam-Webster has big plans for the Dark Souls of Wordle We may earn a commission when you buy through links on our sites. ©2026 KOTAKU USA LLC. All rights ...