Question banks and branching scenarios

Hey everyone, 

Wondering if someone help me come up with a solution for this one.

I am currently working on a quiz that will test the knowledge retention from a specific unit. 

The user has a chance to win 5 badges, but only if they answer 5 questions correctly in a row. 

I currently have this worked like shown in the image below

My manager has asked the question if these questions (and the other 20) can be randomised via a question bank - and i can't quite figure out the variables that will make this work.

Please find the quiz attached and have a route through, any advice would be really great.

Thanks in advance :)