4 rounds of interview + 1 superday at hongkong. First 2 rounds of interviews were easy with standard probability questions, and third/fourth round were on difficult probability questions. Although I did not make into superday, prob questions on interview was pretty fun. The below is the sample question from my R1 to see some very easy question they ask in early rounds, but the questions gradually get harder toward the later rounds.
Interview questions [1]
Question 1
If you throw 2 dices, what is the value with the maximum EV?
There was a few phone interviews that involved probability and game theory questions. Before a final round interview in hong kong. Interviewers are very nice best to describe your thought process
Interview questions [1]
Question 1
They asked me probability and gamer theory questions.
Interviewed for two rounds. I passed the first round last year so was able to continue immediately with the second this year. Probability/game theory questions. The interviewers are friendly and helpful.
Interview questions [1]
Question 1
If you roll a dice and receive that amount in dollars but have the option of rerolling up to two times, how much would you like to pay to play this game?
Jane Street’s interview process is fast-paced, multi-round (But if you have a deadline they will react accordingly) , and deeply quantitative: mental math, probability puzzles, game theory..., and conversational talk just before you start doing the problems
Interview questions [1]
Question 1
Some basic probability questions (more like brainteasers) involving expected values and markov chains. You should brush up on the greenbook and be comfortable with n-sided dice and strategies involving dice in general.