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 ...

Test your logic and problem-solving skills with this challenging puzzle. Draw a line to each number, but be careful—no lines can cross! Can you complete it perfectly? #BrainTeasers #PuzzleChallenge ...

A new optical illusion puzzle is making waves on Facebook, challenging users to put their observation skills to the test. Such visual tricks have long fascinated people by encouraging them to question ...

Meera plans to write a book (in English) containing all the whole numbers from zero to infinity in alphabetical order. She knows this will take her a very long time, but she makes a start. She figures ...