The answer may be as simple as one, two, three. Anyone who’s dated knows it’s a numbers game. All it takes is one person to set you on the path toward happily-ever-after — or to add another ...

It is a simple form of a “substitution cipher” where you replace each letter of the alphabet with another letter by shifting the whole alphabet a certain number of letters (wrapping around to ...

To crack the code, you must use the clues on the brain teaser’s right side. Among the numbers 9,2,8,5 - only one is correct but is wrongly placed. The next four numbers, 1,9,3,7, contain two ...

Cover of mathematical guru Adam Spencer's new book The Number Games. To try out other mathematical riddles in the 12 Puzzles of Christmas series, click here. Adam Spencer’s book The Number Games ...