Funny Riddle

Q. What are the coolest letters in the alphabet?
A. A/C!

Q. What is it that starts with "t", ends with "t" and is full of "t"?
A. A teapot!

Q. How do you make a witch itch?
A. Take away the 'w'!

Q. Take away my first letter.
    Take away my second.
    Take away all my letters and
    I still remain the same.
    What am I?

A. Postman!

Q. What's a 10 letter word that starts with gas?
A. Automobile!!