What does this rebus riddle means ?

Which part of London exists in France as well ?

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.

What does this Rebus Picture means ?

Can you count the number of blocks in the picture below?

How far can you walk into the woods?

Can you decipher these quotes by Albert Einstein?
Blf xzm mvevi hloev z kilyovn lm gsv ovevo lm dsrxs rg dzh xivzgvw.

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

Can you move 2 matchsticks to form four equal sized squares.

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?