Get prepared by doing a lot of cases in advance. Find them on mck and competitors websites, business schools can provide quite a lot of examples too. Don't get stuck into frameworks, use your common sense. Ask for feedback from interviewers between the 3 rounds.
Interview questions [1]
Question 1
Have good stories ready to tell about your leadership skills, results orientation and capacity to work as a team
I applied in-person. I interviewed at McKinsey & Company
Interview
Website, online, teams meeting, in person meet up.
It was pretty straightforward and they knew what they were looking for. They had to do a couple of interviews to get a better understanding of my skills.
Interview questions [1]
Question 1
How many army generals in the northern hemisphere?
I interviewed at McKinsey & Company (London, England)
Interview
CV upload and then some basic numerical and logical reasoning skills. Computerised games to assess numerical skills. SOLVE questions. Psychometric tests and GMAT-style questions. Very simillar to BCG an Bain.
I applied through college or university. I interviewed at McKinsey & Company (Cambridge, MA)
Interview
they let you prep for cases and do what the book says. this is only a question of how hard you prepared. then they take the people one by one and repeat again and again. sometimes the people who give you interviews have been there for less time than 1 yr