Pronounced as one letter and wrtten with three, two letters there are and two only in me. I'm double, I'm single. I'm black, blue, and gray. I'm read from both ends and the same either way. What am I?

What is greater God; More evil than the devil; The poor have it; The rich need it; And if you eat it, you will die.

You are on a raft, in the middle of the ocean. You have plenty of food And water, so surviving is no problem. The only thing is you have a Packet of cigarettes, but no matches to light a cigarette. Unfortunately There is no way to make a fire or spark with the supplies on board... You Are...

You throw away the outside, cook the inside,and than eat the outside, and throw away the inside, --what is it?