Good Riddles

Question: one day there were 2 dads and 2 sons and 4 apples each persons gets an apple but there's one left over why

Question: What goes up but never goes down?

Question: A man leaves his home, takes 3 lefts gets to home, but there is 2 men with black masks on them, who are these 2 men?

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 ?