How smart are you?

These questions will either make you feel smart or dumb.

1 What is 2+2?
2 How long does it take you to answer this question?
3 What is the name of this quiz?
4 Elephants never...
5 What is this -> (:
6 Math: 3 ? 4=81
7 How many characters are there in this sentence?
8 Fruit? "Billy's favorite app, Letter man, is fun"
9 What is this question number times 3 minus by 2 in simplest form?
10 What is black when you buy it, red when you use it, and grey when you throw it away?