S ome puzzle games are made to challenge the mind. Others feel like they were designed by someone actively trying to break it ...

Do you enjoy a good brain challenge? Here’s one that might look easy, but only the sharpest minds can solve it in just 6 ...

These challenging puzzles not only stimulate the mind but also offer a sense of satisfaction when cracked. Whether you’re a fan of number games or just curious about the latest trending puzzles ...

Here’s a classic brainteaser that I don’t like. What’s the next number in this sequence: 1, 11, 21, 1211, 111221, …? The answer is 312211, because each number describes the digits in the ...

However, when numbers are used in brain teasers, even those who usually avoid maths feel compelled to solve the challenge. A new mathematical puzzle, shared on X (formerly Twitter) by the account ...

I didn’t even bother using the 7 or 11, but there could be a way to use those numbers to get to 135 also. The challenge ramps up as you go. Here’s the final stage of yesterday’s challenge.

The distance between 01011 and 01100 is 3. The smallest number starting with 01 with a distance of 3 from 00000 is 01011. The ...

When you've completed a puzzle, you hang it on the wall, and there's inevitably another knock at the door as the postal worker drops off your next puzzle box. That's it. And it's great!

Twin primes are two prime numbers that have a distance of two on the number line; that is, they are directly consecutive if you ignore even numbers. Examples include 3 and 5, 5 and 7, and 17 and 19.