Authored on Sep 2015
To make sure we hire a top class rubyist, and -- to select the cream of the crop -- these set of questions are specifically written for such interview, kind of ruby benchmark. Hiring a candidate who has the correct grasp on the concepts in 30 minutes of the interview duration is a challenge altogether. I hope this help all folks.
Our expectations are generally high while interviewing and candidates will give you a variety of responses based on their experience and knowledge. So it's up to the interviewer to decide the correctness of the answers.
There can be many possible approaches to these questions -- some aren't mentioned here. This list is not complete, by any means and I welcome your suggestions to this.