Hi there,
Initially, we created same quiz by deleting the old one. The quiz was working fine logically but it was showing ‘Q1’ for all the questions.
Then, we exported the second quiz from your website into our test site and it’s working perfectly fine now.
On the front-end it is not showing Q1 for all questions, There is Q1, Q2 and Q3. And the logic you mentioned is also working as per the requirements.
Second Quiz
Therefore, it is most likely a plugin conflict or theme conflict.
Regards,
Kriti