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 number that ...

If you happen to love solving puzzles, we have the perfect brain teaser for you. Will you be able to find the answer for this? Brain teasers that require you to use your maths and reasoning skills can ...

Today’s challenging puzzle is to find the missing number in a sequence of numbers from 1 to 53. So, if you think you're a genius with an IQ level of 140 or higher, then find the missing number in just ...

A brain teaser on X puzzled users with a tricky sequence. It sparked 200+ comments and 5K views as people tried to solve it. Brain teasers are quickly gaining traction on social media as people look ...

Do you have the maths knowledge to solve this sequence that has people scratching their heads? You may have done a fair few maths puzzles at school, but it is not something we generally do in our ...

All you have to do to solve this puzzle is work out which number comes next in the sequence shown in the picture above. The sequence is as follows: "1, 4, 1, 5, 9, 2, (?)". How would you start to work ...

A fiendish puzzle asks people to guess the next number in a sequence, but only those with the highest IQ can solve the brainteaser. It was posted on X by @Brainy_Bits_Hub and urges players to see ...

Can you infer the simple rule behind a number sequence that spikes up and down like the beating of a heart? Our Insights problem this month is based on a sequence of integers which comes from Neil ...