Logic Riddles

Question: There is a thing that if you put in water and get out, put it back for about 2 minutes, you won't see it again. What is it?

Question: There are two mothers and two daughters. They go to a restaurant and ask for 3 chairs. Why?

Question: I work in a battle of wits. The battle is again with only two while an army each has. Each must take a turn in stratagem but to win the leader must die. What am I?

Question: Mom and Dad had four girls. Each girl had one brother. How many people are in the family?

Question: Twelve pears hanging high, twelve men passing by. Each took a pear and left eleven hanging there. How can this be?