Good Riddles

Question: I'm not dead i'm not alive, i'm not underground i'm high up in the sky, people speak of me but never saw me. Who am i?

Question: In a house of Kardak's family each brother have a sisters as double as their brothers and each sister have brothers as same as their sister. How many brothers and sisters in Kardak's family ?

Question: what's the difference between a jeweler and a jailer?

Question: why was the baby strawberry crying?

Question: can you make an equation by using only the no.-4,4,4,4 whose answer will be 20.