At my company, we interview a lot of intern / newgrad candidates who are also considering careers in finance. The less these people know about what "real work"

At my company, we interview a lot of intern / newgrad candidates who are also considering careers in finance. The less these people know about what "real work" in the tech industry actually consists of, the better our chance of closing them. The main goal of the interview is to present a fun puzzle that will make them like us.