Uniper Trainee Program interview questions

First there's an online aptitude test, followed by a cultural test. Then there's an invitation for a half-day long final interview session. The first part of the interview was presenting a topic which was given 2 weeks in advance as well as answering a Q&A on it. The second part was an impromptu topic which was given and the participant was given some time to prepare and present the topic and have a Q&A after