It's like Tell me when I will get a job in recession [img]/images/graemlins/smile.gif[/img]. You can search on Google for better results but it all depends on the interviewer but if interviewer also collects the question by searching on Google then you might be lucky.
Questions will only get you so far, especially if you are interviewing with someone who has been burned by hiring someone with all of the answers but none of the usable skills in the past.
Be prepared to demonstrate your skills at a console equipped with QTP and an application for demo purposes. Do not expect this application to be the Mercury Tours or Flights demo application. Expect the application to have bizarre behavior and non-standard objects. Expect to discuss your approach while you are building the script. E