A brain teaser on X featuring a 3×3 number grid sparked over 12k views and 300+ comments as users debated the missing number's solution. Brain teasers have long been a favourite among puzzle ...

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

Out of this clutter, you have to spot a hairbrush in just 9 seconds. This may seem easy ... That's what makes visual puzzles so engrossing and fruitful for the brain. Share this visual puzzle ...

3 Year--34.65% 36.49% ...

said the daily rate of 41,000 tickets "may seem like a large number in isolation", but "should be understood in context". "Of those who enter a private car park in the UK, only 0.3% receive a ...

Sudoku, if you don’t already know, is a number puzzle that requires a good deal of logical thinking. The game consists of a 9×9 grid divided into nine 3×3 boxes. Your task is to fill in all ...

It makes an excellent and convenient snack. It’s very high in protein — for example, beef jerky contains an impressive 9 grams (g ... it contains a significant number of calories, it ...

Love crossword puzzles but don’t have all day to sit and solve a full-sized puzzle in your daily newspaper? That’s what The Mini is for! A bite-sized version of the New York Times’ well ...

Play The Telegraph’s full range of puzzles, including Crosswords, Sudoku, PlusWord and Sorted, with thousands more brainteasers in our archive ...

Want access to more than one puzzle a day? Subscribe to the i Digital Subscription to unlock unlimited access to 27 daily puzzles online and in the app, plus additional content and exclusive ...