Test your brain power! You have an IQ above 140 if you can solve this math puzzle in 11 seconds or less. Go ahead and test ...

The missing number is 1,620. The digits in the tens places (green in the figure below) of the numbers in columns 1, 2, 4 and 5 are added together. The total value is represented by the digits in the ...

Five years ago on this day, a seemingly straightforward puzzle took the world by storm. A picture circulating online challenged people to determine the missing number from what looked like a simple ...

Brain teasers are a fun way to test one's thinking skills. These puzzles give the brain a quick workout. A recent challenge ...

Among the natural numbers below 100, there are 30 with a special property. Jovan has listed them in the table here. But Jovan made a mistake, and one of these numbers must be replaced. Which number ...

This maths puzzle has genuinely baffled quite a few people. Attempting to work it out might transport you back to memories of being trapped in a maths class at school, being picked on by your teacher, ...