The book is now available! 53
(just those submitted by ApSimon)
Prime Curios!
Curios: Curios Search:


Just showing those entries submitted by 'ApSimon': (Click here to show all)

+ The chance that no pair of 53 people in a room have the same birthday is approximately 1/53. [ApSimon]

Prime Curios! © 2000-2018 (all rights reserved)  privacy statement