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

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

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

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 ...

Are you ready to prove your mental sharpness and IQ power in just 5 seconds? Only those with razor-sharp focus and heightened observation will spot the odd number in time.

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

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 ...

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

40D. [Positions of intense scrutiny] are known — in one such cultural expression — to be HOT SEATS. This is also how I’d describe most seats on the subway, which I usually jump to occupy mere seconds ...