A word I know has six letters it contains, remove one letter and 12 remain. What is it?

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.

Distances from you to certain cities are written below.

BERLIN 200 miles

PARIS 300 miles

ROME 400 milesAMSTERDAM 300 miles

CARDIFF ??? miles

How far should it be to Cardiff ?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

What does below Rebus say?

XLR8

Do you know who was buried in John's tomb?

What is black when you buy it, red when you use it, and gray when you throw it away?

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

The cream is heavier than Milk. True or False?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?