Good Riddles

Question: What is the only question you can never answer?

Question: While the barracuda uses opportunity and speed to prey on other large fish, it has little interest in humans. Barracuda attacks on humans are rare; but when they do, what is the reason?

Question: What has rivers but no water, forest but no trees and cities but no people.

Question: You are a cowboy. The cowboy is riding bareback on a paint horse. The horse falls down breaking its leg. The sun is setting quickly and the nearest house is 3 miles away. The chance of rain that night is at 75% The chance of snow is 33% What color is the Cowboys hair?

Question: I am king of knowledge , also the king of madness Who am i ?