[New Quizzes] Formula Questions Range

[karvidson]

Formula questions should be able to select all even or odd numbers between a range. Right now it has to be a straight range, but I want to see more options within that range. Even, odds, every third, every 0.5. 

[nathanatkinson]

@karvidson 

Please consider also adding your thoughts to this similar feature idea about formula questions here: New Quizzes Formula Question/ Pick from set