Can you replace the question mark with the correct number in the below table sequence?

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.

During a secret mission, an agent gave the following code to the higher authorities
AIM DUE OAT TIE MOD

However, the information is in one word only and the rest are fake. To assist the authorities in understanding better, he also sent them a clue, If I tell you any one character of the code, you can easily find out the number of vowels in the codeword.

Can you find out the code word?

You can hear me, but you can't touch or see me.

What am I?

It belongs to you, but other people use it more than you do. What is it?

Find the number of squares in the below picture

I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?

Rearrange the letters in "new door" to make one word.

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

I am a mother. However, I never give birth.

I am a father. However, I never nurse my children.

Wandering is not possible for me, but standing still happens occurs rarely.

Who am I?