Q: i forgot my iCloud password and security questions

You need your password to be able to reset your security questions. The procedure is described here:   If you forgot the answers to your Apple ID security questions  - Apple Support

If you forgot your password as well, contact the account security team to help you to reset your account.

Use this link to find the contact address for your country:

Contact Apple for help with Apple ID account security - Apple Support

https://support.apple.com/en-us/HT204169