How do you rate your decision making and problem solving abilities?
Maybe you are a good decision maker or maybe you are not. How do you rate these skills? Will it convince the interviewer if you rate your decision making and problem solving skills as 10 or will it be ok if you act humble and rate yourself as a 5? It might be difficult when it comes to rating yourself but here you are and you have to do it, so make sure that you do it right. Be honest and not too critical. The best way of answering this question is to support your answer with some facts from your professional life or some feedback given by some of your colleagues regarding these skills.
"I believe that I must be an 8 based on the feedback from my supervisors and also my family and friends. They all trust me for the decisions that I make and come to me for advise. At the same time I do believe that we are all humans and bound to make mistakes and thus rate myself as an 8 on these skills."