Answer:
What is black when you buy it red when you use it and gray when you throw it away?
I'm not really more than holes tied to more holes; I'm strong as good steel, though not as stiff as a pole.
Whoever makes it, tells it not. Whoever takes it, knows it not. Whoever knows it, wants it not. What am I?
I go in dry and come out wet. The longer I stay in, the stronger my surroundings get. What am I?
I am pronounced as one letter written with three. I come in blue black brown or grey. Reverse me and I read the same either way.
Why was the cook arrested?