There are two boys at an international math contest in December 2013; one is British and one...........What is the date?

Question

There are two boys at an international math contest in December 2013; one is British and one is American. They both write their names, the date, and their answers on the paper. The only problem is that they both have the same name and the papers cannot be told apart.

What is the date?

Answer 1

December 12th, 2013.In America dates are written Month/Day/Year and in Britain Day/Month/Year, so the day and month must be the same so they can be changed around with the date remaining the same.

Comments

Why cannot it be the 11th of December, 2013?
In this case, the American will write as 12/11/2013 (MM/DD/YYYY),
while the British will write as 12/11/2013 (DD/MM/YYYY).
As you can see, there is no difference at all.

Answer 2

12/12/2013 as in america month/date/year format is applicable and in british format it is date/month/year