I've had my interview off Manchester and I received an offer the day after! The maths assessment is really nothing to worry about. It is really basic stuff (multiplication, division, and converting without the use of a calculator) The interview will be with a professor and a fourth year student - and they make you feel really comfortable! Like aneesa98 said, it seems that most interview questions varied because after I finished my interview and talked with other applicants we'd all been slightly varied questions. My particular interviewer asked questions on the expected stuff (why pharmacy, hobbies etc) but also picked up on stuff in my personal statement and asked about that too. Be confident and answer everything to the best of your ability. Hope this helped, and good luck!