That's exactly true. LC tests typically copy problems from the university the interviewer graduated from. College programs differ, so this is really a case of

That's exactly true. LC tests typically copy problems from the university the interviewer graduated from. College programs differ, so this is really a case of what you were introduced to. There's a fairly popular online LC test company in my corner of the world which was formed by graduates and lecturers from a certain university and they started out by just giving the problems from the curriculum. Result was heavy bias in favour of students and alumni of that university.