Tricky Riddles

Tricky riddles with answers are both tricky and crafty. They are not straight forward, requires logic reasoning and you could be fooled if you are not sharp enough.

The Date

There are two boys participating at an international maths contest in December 2013. One is British and the other 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?

Riddle Answer