_All of us have read the "oddball interview question" articles. They are aplenty on the web, get lots of hits when posted, and they are getting quite tiresome (hasn't everyone read them by now?).
In contrast, ACM has a great article written by Jayne Mattson on what HR recruiters are looking to answer. She says they are trying to determine the following:
Credit: Massachusetts Employment Law Attorneys
To answer those, a series of questions will be asked of the candidate/job seeker. Mattson shares information on the "question behind the question" that recruiter is asking in a job interview. Below are the interview questions, Mattson's reflection on each question is available at the ACM link (goes to Mashable).