UKAstroNut's video: When Is Cheryl s Birthday

A recent maths problem set to school children in Singapore has got everyone talking. Not just because of it's high difficulty for 11 year olds, but also because people are wondering why someone would set a maths problem for her friends to work out when her birthday is. Millions of people have been trying to solve this problem, so let's have a look at it, see how to solve it and finally work out, when is Cheryl's birthday! Twitter: https://twitter.com/UKAstroNut Facebook: https://www.facebook.com/UKAstroNut Website: http://www.ukastronut.co.uk Blog: http://ukastronutblog.blogspot.co.uk/ Image credits: "Albert Einstein (Nobel)" by Unknown - Official 1921 Nobel Prize in Physics photograph. Licensed under Public Domain via Wikimedia Commons - http://commons.wikimedia.org/wiki/File:Albert_Einstein_(Nobel).png #/media/File:Albert_Einstein_(Nobel).png "Cheryl Cole Cannes 2014" by Georges Biard. Licensed under CC BY-SA 3.0 via Wikimedia Commons - http://commons.wikimedia.org/wiki/File:Cheryl_Cole_Cannes_2014.jpg #/media/File:Cheryl_Cole_Cannes_2014.jpg "St Bernard Dog 001" by Cassie J - originally posted to Flickr as Harley-parents' dog. Licensed under CC BY 2.0 via Wikimedia Commons - http://commons.wikimedia.org/wiki/File:St_Bernard_Dog_001.jpg #/media/File:St_Bernard_Dog_001.jpg "Petaluma and Santa Rosa Railroad Co. Calendar" by Visitor7 - Own work. Licensed under CC BY-SA 3.0 via Wikimedia Commons - http://commons.wikimedia.org/wiki/File:Petaluma_and_Santa_Rosa_Railroad_Co._Calendar.jpg #/media/File:Petaluma_and_Santa_Rosa_Railroad_Co._Calendar.jpg