Answer:
Mr. and Mrs. Mustard have five daughters and each daughter has one brother. How many people are there in the Mustard family?
Cloud is my mother, wind is my father. What am I?
What always ends everything?
What can travel around the world while staying in a corner?
If you break me, I'll not stop working. If you can touch me, my work is done. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.