PrepScholar (MA) interview questions

In the initial interview, they ask you to write a similar question to an SAT Math question. It's pretty much one of the hardest Math questions on an official test, made more challenging because I hadn't looked at that question in forever, despite having tutored for years. After the interview, I looked up that question and realized it is part of a test that the SAT no longer recognizes as representative of the new SAT. The interviewer had mentioned that they have used this question in interviews for four years-- clearly they haven't updated their interview process in that time.

How do you handle anxious or nervous students?