Attached is the questionnaire I aggregated last year to prepare for the interviews with Berkeley Haas, MIT Sloan, NYU Stern and Stanford GSB. The listed 36 questions have covered most of the content which is gonna be asked during admission interviews. Hope these help.
Career Track
1. What are your career goals?
Short-term (Post-MBA) / Mid-term (4-6 yrs) / Long-term (10+ yrs)
2. What made you change jobs, what were you looking for?
3. How did you decide on your major, on your first job out of college? Did you enjoy your first job and why?
4. Why did you choose the college you attended and what were your fondest memories of your experiences there?
5. What are your medium-term goals and how will they help you accomplish the LT ones?
6. What do you find the most difficult part of your current job to be?
7. What motivates you to get up each morning and do well?
8. Why did you choose to work for the company or companies you worked for?
9. How will you go about getting summer internships and future jobs?
10. If you are unable to pursue your mid-term goal, then what other things would you consider or how would you plan your career?
11. Given your background, how will you market yourself to recruiters in the competitive industry to find either a summer or full-time job?
12. You have chosen a difficult field to enter after MBA. What makes you think you can succeed?
13. What is your biggest accomplishment?
MBA Plan
14. Why this school (What qualities did you like about our program that led to your decision to apply)?
15. Why now?
16. What other school are you applying to? What were you looking for when you decided which MBA programs to apply to?
17. If you get into all your target schools, how will you decide which to go to?
18. What if you don't get into the school you have your heart set on?
Leadership, Mentality, Personality
19. Leadership examples?
20. How do others perceive you? Strengths and weaknesses? How will those affect you in a small group atmosphere?
21. If I were to ask your co-workers about you, what one thing would they say they least like about you?
22. You've known xx for a long time. What do you think he wrote about you in your recommendation?
23. What roles have you played in the past?
24. Have you ever had a project that you had to fight for champion to your managers and how did it turn out?
25. What is a mistake you have made at work?
26. Why are you unique?
School Life
27. How would you contribute to the community of our school?
28. What will you do outside of class if you attend our school?
29. Hypothetical: It's your first day of class at our school, and you're introduced to your new team members which you'll be doing projects with over the next year. You're given a problem to solve. What is your role in your new team?
30. Assuming you are a student here and you are set up in a group. What type of background would you want your group members to have?
31. Upon graduation from MBA, what would classmates say about you?
Academic
32. Discuss your quantitative experience and skills, and why you believe you will be able to handle quantitative classes at our school?
33. Well, your GMAT is quite impressive. But, how do you explain the discrepancy between that score and your relatively low GPA?
Miscellaneous
34. If you were a member of a band, what would you be (i.e. drummer, guitarist, singer)?
35. Name a leader you admire and explain why?
36. If there was someone in your life that you could emulate who would it be and why? | 
