I'm not sure what you mean by the 'apple support contact wont open' (?). If you mean the 'contact iTunes Store support' link on the page that you posted from I've just tried it and it seems to wok ok for me, though I haven't gone as far as to actually contact them.
You can contact either iTunes Support or Apple to get the questions reset.
e.g. you can try contacting iTunes Support : http://www.apple.com/support/itunes/contact/ - click on Contact iTunes Store Support on the right-hand side of the page, then Account Management , and then 'Forgotten Apple ID security questions'
or try ringing Apple in your country and ask to talk to the Accounts Security Team : http://support.apple.com/kb/HE57
When they've been reset you can then use the steps on the page that you posted from to add a rescue email address for potential future use, or if it's available in your country you could change to 2-step verification : http://support.apple.com/kb/HT5570