Researchers used questions from the NPR Sunday Puzzle challenge to build a benchmark to test AI 'reasoning' models.

Brain teasers have become a dominant force on the internet, keeping people engaged and testing their logical thinking.

Unlike Roman, Maya or Iñupiaq numerals, this isn’t a total reimagining of numbers. Instead, it’s an uncanny parallel universe. Any number without zeros retains its old appearance (1,776 is still 1,776 ...

Mathematics and brain teasers make a fascinating combination, often challenging our minds and offering a great way to engage with problem-solving skills. While many of us may have found maths lessons ...

The artist uses color-coded mathematics to combat anxiety, helping students of all ages approach numbers with creativity and confidence.

Brain teasers have become one of the internet's favourite pastimes. These mind-bending challenges are not only designed to ...

API uses several simple tests to stop spammers.

A puzzle involving a cow has gone viral on X after people failed to agree on the correct solution to the brain teaser. The cow maths puzzle starts by saying: “I bought a cow for $800.

A puzzle involving a cow has gone viral on X after people failed to agree on the correct solution to the brain teaser. The cow maths puzzle starts by saying: “I bought a cow for $800. I sold it for $1 ...

Ready to solve a maths puzzle that’s stumping everyone? This challenge is for you if you enjoy numbers and solving problems. However, there’s a twist in the equation. Your job is to figure it out.

Show puzzle solution The commuter has walked for 55 minutes before his wife picks him up. Because they arrive home 10 minutes earlier than usual, this means that his wife has chopped 10 minutes ...