Employers know that in a job interview, you are putting your best foot forward. You are going to say things that are positive, that sell you for the job, and that make you look good. So what do they do? They ask you questions that get you to talk about the not-so-sunny parts of your past jobs. They want to uncover any problems you might be hiding BEFORE you come on board.
This particular question about the least favorite part of your last job, is strongly related to the “What’s your greatest weakness?” question. Just like with that one, there is a good way and a bad way to answer it.
In the video below, I will tell you how to think about this question, and how to choose the answer you give. Click it to watch.