# Millennium Questions

## Interviewer
1. Bo Wang (Delta-1 Strategy)

## Coding
> 1. What is the difference between inner and outer join?

> 2. Time complexity of Fib(n)

## Math
> 1. Roll dice two times. You can decide when to stop. Your payoff is the face value of the dice. What is the expected value of this game? (Ans. 4.25)

> 2. How many 0 behind $50!$

## Misc
1. Do you know option pricing theory? B-S model?