How to use result of random draw from question bank to affect variable on next slide?

You can create a TF variable for each question and trigger it to change when the timeline of the incorrect layer starts.

Then you can use the variable after the questions are answered.

Here's a quick tutorial.

https://360.articulate.com/review/content/f7bc491e-d4c4-427a-97b0-287f0be5f57c/review

Attached the file