Answer:
What goes up the hill and down the hill, And spite of all, yet stand still?
Railroad crossing without and cars can you spell that without any R's
If there are three apples and you take away two, how many do you have?
How do you make the number one disappear by adding to it?
The more that there is of this, the less you see. What is it?
It is something you will never see again.
Logic
Animal
Difficult
Easy
Food
Funny
Kids
What am I?