Answer:
What is bought by the yard by is worn by the foot?
My first is in fish but no in snail. My second is in rabbit but no in tail. My third is in up but not in down. My fourth is in tiara but not in crown. My fifth is in tree you plainly see. My whole a food for you and me.
There are 30 cows and 28 chickens. How many didn't?
He has one and a person has two. A citizen has three. And a human being has four. A personality has five. And an inhabitant of earth has six.
What can you put in a barrel to make it lighter?
The more of me you take, the more I appear behind you. What am I?