The most common interview questions that are asked, unfortunately, at the final hiring decision process are:
These questions are bad because they are too vague and they allow you to get only nonsense answers. They are also so well known that almost every candidate has pre-prepared, empty answers. Lastly, as these vague answers sound the same, you cannot differentiate between possible high and low performers based on the answers. It is understandable to learn about the strengths and weaknesses of the candidates, but you should understand that these worthless questions would not provide you an understanding how a candidate will perform when working for you.
One of the most important goals of interview questions is to differentiate between high performers and low performers. Asking the candidates questions that provide you the same type of vague answers will fail to differentiate these people.