Answer:
I have three hundred cattle, with a single nose cord
A girl was ten on her last birthday, and will be twelve on her next birthday. How is this possible?
People are hired to get rid of me. I'm often hiding under your bed. In time I'll always return you see. Bite me and you're surely dead.
What is the heart of many risks, has a heart, but is not a living being?
What begins and has no end? What is the ending of all that begins?
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.