An amusing parlor trick is performed as follows. Ask spectator A to jot down any three-digit number and then to repeat the digits in the same order to make a six-digit number (e.g., 394,394). With ...

Maths brain teasers have a unique charm that captivates people of all ages. From age-related puzzles to tricky optical illusions and mind-bending number games, brain teasers are a fun way to test your ...

In three new variations of a famous logic puzzle, what are the best strategies for guessing the color of the hat on your head? Hat puzzles are a delightful genre of logic puzzles whose number and ...

Optical illusion puzzles are known to be fun and fascinating brain challenges that are designed in such a manner that they play tricks on your eyes as well as minds. These puzzles can make you see ...

My son’s book of mathematical magic tricks includes this one: 1. Think of a whole number from 1 to 50. 2. Add 9 and double the result. 3. Multiply by 6 and add 12. 4. Subtract 60. 5. Divide by 12 and ...