Prevent a question from be randomly selected twice from a question

Christine Hendrickson said:

Hi Alex,

In short, you cannot. If you have a small pool of questions to pull from, and you pull a small number randomly, you're definitely going to see questions repeat. However, if you have a larger pool to pull from, you're less likely to see the same question multiple times.

For example, if you have a question bank with 10 questions and you pull only 2, you may not see the same 2 questions more than once. However, if you have question bank of 5, like you're using, and pull 3, you're definitely going to see questions repeat. 

If you can, you might want to try adding some additional questions, pull less questions, or "lock" questions together. Locking would pretty much defeat the purpose of randomizing, though, especially with such a small amount of questions.

I hope this helps!