Governador
1) Add all the questions to an array.
2) Use a shuffling technique to randomise the order of the questions.
3) Call the questions in sequence from the array.
Here's a capx that shows a way to shuffle - there are other techniques out there if you search the forums and tutorials:
https://www.dropbox.com/s/h8pmfmjgfkvu8 ... .capx?dl=0