Boston Consulting Group Intern interview questions

I applied online and after one month got first-round interview. This was a 1hr phone call that was only behavioral. I was invited for second round after 1 week. I interviewed in Chicago. 2-45 minute interviews back to back. The first 15 minutes was all fit and the rest of the time was casing. First interviewer wrote a lot, but the second interviewer preferred to maintain eye contact and write very little