Question Bank in Rise: How can I see all the questions in the course?

Hi :)

After creating my bank with the new feature and adding it to the course I need, I can only see 1 of the 4 questions I created. I would like the students to see all the 4 questions I created, not only one.

When I choose "Random", I can't see the option of "Number of questions in draw" which I've seen in some webpages. Do I need a minimum of questions in order to see the "Number of questions in draw" option? How many? 

Thanks :)