Good Riddles

Question: If 1+9+8=1, what is 2+8+9?

Question: A man shaves several times a day, yet he still has a beard.

Who is this man?

Question: How can forty elephants have forty-fore heads?

Question: I do not eat food. But I do enjoy a light meal everyday.

What am I?

Question: There is a 100 pound watermelon laying out in the sun. 99 percent of the watermelon's weight is water. After laying out for a few hours 98 percent of the watermelon's weight is water.

How much water evaporated?