Clock hand question is painfully obvious once you look at actual analog clock face.
All of the questions were easy bordering on trivial as long as your background lines up with target position. The problem is not the questions, but the culture of gotcha interviewing. Haha we got you doing off by one by offering the C option on whiteboard, haha you didnt initialize one variable on whiteboard, haha I have bad mood therefore you fail, etc.
>I recently came across your name as a _possible world class Engineer_
That right here is the cancer.