THIS is the fun bot-based brain teaser to test your eyesight and logic skills. Everyone can see the three people lined up, but only those with 20/20 vision and a high IQ can figure out which one ...
Today’s optical illusion is set to give your brain a workout, so are you ready for the challenge? Hidden among a sea of "43s" and "34s" is a single "45"—but can you spot it? This tricky brain teaser ...