It was a phone interview and questions asked included industry related questions, personal questions, behavioural questions as well as 2 simple math questions.
industry qn included: take on the current market climate and what makes barclays different from the other investment banks. the rest of the questions were alright.
interviewer was friendly but he seemed pressed for time so shorter answers would be more appropriate, he cut me off in one of my answers as he said there were many more questions to cover.