Brain Teaser to Test Your IQ: Which Glass Holds More Water? Only those with 140+ IQ can answer in 5 seconds!

Brain teasers are puzzles that boost your critical thinking capabilities. These puzzles improve the brain function by ...

Brain Teaser IQ Test: If You Have Eagle Eyes, Find the 'C' Hidden Among the 'O's!

This brain teaser is designed to assess your intelligence by evaluating the decisions you make while analyzing the problem.
AOL

These Fun Brain Teasers Will Test Your Skills (Or Totally Humble You)

"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 ...

How many faces were you able to spot in this Optical Illusion?

So, how was the challenge? So, how many faces were you able to spot in this Optical Illusion? There were a total of 14 faces.

Can You Solve This Matchstick Puzzle by Moving Two Sticks to Make the Equation Correct?

This brain teaser involves figuring out the equation which is a test of logic and creative thinking. By carefully examining ...

'World's shortest IQ test' says a lot with three questions and just 17% pass it

MIT professor Shane Frederick's Cognitive Reflection Test is a three-question brain teaser with only a 17 per cent pass rate ...
The Sun

Everyone sees the full EV battery – but if you can spot the one on empty in 5 seconds you have high IQ

Scroll down to see loads of other tricky brain teasers DRIVERS are testing their visual acuity with a new brain teaser game. An optical illusion shows a group of EV batteries having one hidden, empty ...
The New York Times

Day 4: Try a True Brain Teaser

A sharper, more resilient mind starts here. Monday Test Your Knowledge Tuesday MIND Your Diet Wednesday Try a New Workout Thursday Play a Game Welcome back! For Day 4 of the challenge, let’s do a ...