Logic Riddles

Question: A man wants to start a forest fire.There are 80 trees and you have a lighter. How many trees should he burn?

Question: 2 Kingdoms are at war. The 1st kingdom are almost out of soldiers. One soldier managed to get in front of the king of the 2nd kingdom, but he didn't kill him. Why?

Question: Mirror Mirror thy I see myself through left and right by its not me but like me.

Question: Why don't ants wear gloves?

Question: Which kind of board can you use to insert letters?