cannot remember what the answer to the security questions were how do i retrive them

What security questions are you having a problem with? When do you see them?

You might be able to recover you account information using the My Apple ID site.

When I try to purchase a movie to download on my iPad, an the questions are What was your first job an first concert. The answers I give are not right.

recover the password using the email option in which they send you an email to change the password of your account