how to reset security queston
how do i reset my security questions
If you have a verified rescue email address on your account (an additional/alternate email address is different) you can use that to reset them : If you forgot the answers to your Apple ID security questions
If you don't have a rescue email address you will have to contact Support in the country where you are (and which is therefore the country on your account) to get the questions reset - from the above link :
Get more help
If you need help resetting your security questions, contact Apple Support.
If your country isn't on that ‘contact Apple Support’ page then try this form to contact Support : https://www.apple.com/emea/support/itunes/contact.html
When they've been reset, and if you don't already have a rescue email address, you can then add one for potential future use : About your Apple ID email addresses - Apple Support
Or if it's available in your country you could change to 2-step verification : Frequently asked questions about two-step verification for Apple ID