Kids Riddles

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?

Question: What type of cheese is made backwards?

Question: What is the best way to stop a dog from barking in, and digging up the front yard?

Question: When is 1500 plus 20 and 1600 minus 40 the same thing?

Question: What goes up and never comes down?