Which alphabet letter is a question?

What is the end of everything?

Decode this picture on T-Shirt and tell what it says ?

What is the difference between a jeweller and a jailer?

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

Which part of London exists in France as well ?

A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

When is the top of a mountain similar to a savings account?

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.