Answer:
With four oars it swims but it is always at home. Its back is like armor, tougher than chrome. What is it?
A spent round or a slimy critter.
What grows up while growing down?
I have big ears and a trunk and I never forget. What am I?
A man walks out of a house that has four walls all facing north. A bird walks past him. What is it?
When is it bad luck to see a black cat?