September/2092024/math-feat.jpg" width="1200" height="675" /> Brain teasers are more than just simple puzzles; they’re a mental workout cleverly disguised as fun. These thought-provoking challenges ...

The total value is represented by the digits in the tens and ones places of the number in column 3. This puzzle originally appeared in Spektrum der Wissenschaft and was reproduced with permission.

September/2092024/brain-teasers-with-answers.jpg" width="1200" height="675" /> Are you ready to challenge your IQ and mathematical skills with a fun brain teaser? Studies show that solving puzzles ...

Think you're among the intellectual elite? Only those with a high IQ above 150 can find the hidden robot in just 7 seconds.

Think you’re smart enough? This brain teaser stumps most, but high IQs above 130 can solve it in 9 seconds. Are you ready for ...