Answer:
I am an odd number. Take away a letter and I become even. What number am I?
What's full of holes but still holds water?
I am ten little beans your look at everyday.
I am used when you jump off a bridge for fun.
I am perfect with a head perfect without a head; Perfect with a tail perfect without a tail; Perfect with either neither or both.
What did the piece of wood say when he saw the screwdriver and screws approaching?