Why investment banking?
Why this bank?
What are the characteristics of a good investment banker?
What did the Dow, S&P or NASDAQ close at yesterday?
What is your view on the market?
Why corporate finance as opposed to sales and trading?
What role do you play in group situations?
What stocks do you follow and why?
What would you do if offered drugs as a part of a deal? (or other ethically focused questions)
Sell us on your quantitative skills?
How smart are you? How do you know you are smart?
Perform a discounted cash flow analysis.