Promorphosis Angular II With ASP .NET Web API interview questions

First round was aptitude consisting Geometry, algebra, analytical, time n work,etc. Second was write answers in 2 sentences, like what is Exceptional handling, what is sealed class, and some simple questions were there. Third round was technical, in that round they were asked me introduce myself, which is the method when it calls if execption occurs in api, sql joins, angular 2 questions, etc