Hi everyone

Please I need assistance with this challenge.

I designed a simple quiz with radio buttons for the answers. It works fine but I noticed that when i click on the back button to check on a previous question, the checked radio button for the previous question is no longer checked and if i recheck it again, it adds to the score. i figured out that the user might leave out some questions to answer later but with this challenge its not possible. Is there a way or a code that can make the selected answer stick to the radio button even when the user goes back to work on previous questions. your suggestions will be deeply appreciated.