Answer:
I have three heads. Cut off one I become stronger. Cut off two I become ten.
I can swim but never get wet. I can run but never get tired. I follow you everywhere but never say a word. What am I?
I am an instrument capable of making numerous sounds but cannot be touched or seen. What am I?
I shrink smaller every time I take a bath.
Brown I am and much admired; many horses have I tried; tire a horse and worry a man; tell me this riddle if you can.
Two brothers we are, great burdens we bear. All day we are bitterly pressed. Yet this I will say, we are full all the day, and empty when go to rest.