My suggestion for doing it all on one page was in conjunction with my suggestion of handling the process differently. If you are discarding my suggestion of having a single form, you are also discarding the ability to do it on one page.
You asked the question "Does this sound OK or am I creating too many pages to handle all of this?"
My reply to that was where i suggested the alternate, and to my way of thinking, more secure way of doing it using one from to enter the email address, select the chosen question and enter the answer.
If you are going to continue on doing it the way you initially posted, then you will ned to use more than one page.