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

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.

Brain exercises support neuroplasticity, which refers to the brain’s tendency to form new connections and neural pathways.

A math puzzle is a type of brain teaser that tests the reader's critical thinking and problem-solving skills by challenging them to solve a problem. These challenges have the potential to boost ...

A viral Reddit brain teaser using fruits as numbers challenges users to solve tricky equations. Can you crack the code?

A simple maths puzzle has been leaving people stumped as they can't agree on the correct answer - can you work it out?

What are the best puzzle games on PC? Puzzle games can contain a variety of brainteasers, from classic head-scratchers to frustration-fueled problems. Whether you’re looking for clever dialogue ...

This children's puzzle is leaving even the brainiest of adults with a headache. No matter your age, you can get a lot out of puzzle games. Whether you love doing jigsaw puzzles or you're a fan of ...

But the community that’s been working on your puzzles seems like a pretty wholesome ecosystem. In 2020, when the pandemic started, I was very lonely, so I started talking about math on Twitter. The ...

However, a hidden object puzzle intended for children has stumped adults, with some claiming it to be "impossible". A perplexed parent shared an image from a children's book on Reddit, showing a busy ...