Answer:
Where can you add 2 to 11 and get 1?
Touch this and you'll regret it. But if it's cold, you won't forget it. What is it?
What is it that you ought to keep after you have given it to someone else?
What starts with an "e" but only has a single letter in it?
Often found in doctor's offices and pirate flags
I am a room that has a roof but no walls. What am I?