
Top 10 Quant Interview Brainteasers for Research Roles
While gone are the days of pure trick questions, modern quant interview brainteasers are carefully selected to probe your logical reasoning, mathematical creativity, and market sense. If you’re interviewing for a quant research role, here are 10 brainteasers that not only frequently appear, but also reveal the underlying skills that top quant firms value.
Brainteaser: You roll a standard six-sided die. You can take the dollar value shown and stop, or you can choose to roll again (up to 3 rolls total). What is your optimal strategy, and what is the expected dollar value from playing optimally?
Let’s denote the expected value with n rolls remaining as \( V_n \).