MathWorks Engineering Division Group interview questions

MathWorks visited on-campus, It had 3 rounds. Round 1: Online Assesment (OA) round of 1 hour on HackerRank It had 10 MCQ questions on Data Structures and Algorithms, OS, CN, OOP, DBMS. It also had 2 coding question on string and other on DP. Round 2: It was group discussion round where we have to speak on the topic "Open Source vs Paid softwares". Please speak here as they want active employees, keeping silent would have negative impact. Round 3: It was the last round. It was Technical + HR round. The interviewer asked about projects, work experience, challenges faced, steps taken to overcome them during internship or projects. HR round was typical HR kind of questions.