Forgotten answer
forgotten answer for security question
If you can't remember your security questions go to Express Lane.
select iTunes from the list, then iTunes store. On the next screen select account Management. There, select iTunes store account security and write that you would like to reset your security questions and / or answers.
You should get an eMail reply over the next 24 hours.
More detailed information here ... Rescue email address and how to reset Apple ID security questions