This brain teaser is stumping everyone! Test your IQ—only those with an IQ over 120 can find the number of circles in 11 ...

Which number must be inserted in place of the incorrect number? Show puzzle solution The number 75 must be replaced by the ...

September/2492024/Picture-Puzzle-Find-Number.jpg" width="1200" height="675" /> Take on the Picture Puzzle IQ Test and see if ...

The puzzle, which features a diagram of five numbers and four empty blanks, challenges the participants to 'fill in the ...

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.

AI runs unfathomable operations on billions of lines of text, handling problems that humans can't dream of solving – but you ...

Only a small percentage of the population boasts an above-average IQ, so now's your opportunity to see how you measure up! ...

A maths question that should be 'easy' to solve has been leaving people online completely stumped, as one twist makes it much ...

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter.

NPR's Ayesha Racsoe plays the puzzle with Puzzlemaster Will Shortz and KNPR listener Lisa Rock of Las Vegas, Nev.

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter.

Connections is released at midnight in your time zone. In order to accommodate all time zones, there will be two Connections ...