Lots of difficult questions about expectation of random processes. For example, we play a game with a 100-sided die. Each roll costs a dollar, and you can choose to stop at any time and accept the dollar amount of your most recent roll. What is the best stopping time?
Quel est la somme des nombres impairs entre 1 et 100?
Second round, estimate the mass of all oceans on earth and give a 90% confidence level.
Angle between minute and hour hand at different times.
If you roll 2 dice, what is the probability that the sum is a square number?
Some mathematical calculation questions, for example the next date with the format they choose
followed by a mini phone interview
Q: Interpret dates as numbers (e.g. 10th May 2020 is 10052020). What is the next date where each digit is unique?
- What is the angle of a clock at 10:40? - If a car is racing around a 1 mile track and it goes 60 mph the first lap and 90 mph the second, what was its average speed for the 2 laps? - Why Jane Street/Why Finance? - Tell me about yourself? - Tell me about a time where you formed an unexpected relationship with someone in a work setting?
first question - let's play a game where you have ten chips, and you want to split them up into stacks such that you want to maximize your score, which is the product of the size of each stack. what's the best you can do with 10? what about 100 chips? what about N chips arbitrarily large?
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