If the end of the world should come on the first day of a new century, can you say what are the chances that it will happen on a Sunday?
416.--A CALENDAR PUZZLE.
From Amusements in Mathematics by Henry Ernest Dudeney.
From Amusements in Mathematics by Henry Ernest Dudeney.
If the end of the world should come on the first day of a new century, can you say what are the chances that it will happen on a Sunday?