Did you face any problems with your co-workers in your previous company?

You might or you might not have faced issues with your former colleagues. But, if you mention that you did, don’t be too negative. You can discuss the problem. However, put your emphasis on what you did to resolve the problem. Give it a happy ending. You can also talk about what has been the learning and how you would handle similar kind of people in the future. It shows your leadership skills.