A brain teaser shared on X (formerly Twitter) challenged users with a simple-looking maths puzzle that became confusing due to its logic.

Are you able to find the hidden O within the similar-looking Qs in only 15 seconds? This viral optical Illusion test will put your concentration and eyes to the test.

Whether it's with a tricky puzzle, learning a new language or doing a simple sudoku (emphasis on the simple here). And one of ...