X-Therma interview questions

1) What is the hardest technical challenge you had to overcome? 2) What is more important, a good question or a good answer?

How did you handle a problem with another co-worker? At what point do you go your manager for help if you are lost? If someone was complaining about you what would they say? what are your weakness and strengths ? what is something a co worker could do that would make you angry/ annoyed? Why work for a start up company?