By what process could you make a 'Tea-Table' into food?

What Does this text mean:

important=important

I am an odd number. Take away a letter and I become even. What number am I?

How many times do a clock's hands overlap in a day ?

Can you count the number of squares in the given picture?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

What has hands, but can’t clap?

Why did Buffon take the goal with him after every Juventus match?

For an extra income, John decided to work at a Hotel for one hour daily. The manager offers him that they will pay him $11 after every 11 days.
However, John offered a different proposition to the manager. The offers stand as:
He will be paid just a penny on his first day.
Two pence will be paid on the second day,
Four pence will be paid on the third day.
And so on till the 11th day.

Should the Hotel manager accept his offer?

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.