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

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.

Can You Find the Odd Number in 5 Seconds ... Keep practising these puzzles to sharpen your observation skills and keep your mind active. Stay tuned for more brain teasers and IQ tests designed ...

This is the moment a brainy three-year-old completed a slide number puzzle - in just 40 seconds. Video shows Xiao Ming skillfully maneuvering the blocks within the puzzle frame, which is also known as ...

You asked who is more likely to win. I think that’s my favorite puzzle that I’ve proposed. Maybe 10% of respondents got it correct — it was a shockingly low number. I got this one wrong. My reasoning ...

A word search puzzle consists of a series of letters arranged randomly on a grid. The task of the reader is to locate the word in the grid by trying to match the letters in a meaningful ...

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

“A good game is any game that people have decided that they really like,” explained Amanda Rafkin, a puzzle games expert and editor of the USA Today Crossword. If you like to play, there are ...