Problem with word document

I have some problems using word document that I need some help:

1. How do you change the paper size independently for example page 1 size A4 page 2 size A3 etc...

2. I have an A4 printer but I want to print an A3. Is it possible and how you do it..

3. How do you re order the page for example I want page 1 to be after page 4 etc...

4. How do you add new page after/before the current page