Alice and Bob each have a coin and flip it until they get a heads. If Bob flipped his coin more times than Alice, what is the expected number of times Alice flipped her coin?
Quantitative Researcher Interview Questions
4,814 quantitative researcher interview questions shared by candidates
You play rocks, paper, scissors with a friend but he can't play rocks. What is the optimal strategy (the winner get 1$ from the loser) and what expected pay-off does it yield?
Dice roll range and market making
Some questions similar to the ones online
some probability questions
Easy conditional probability question
On an elevator and 2 other people enter expected value of the number of times the elevator stops
1. Initial Phone/Zoom Screen • Mental math: Fast, accurate calculations without a calculator (e.g., expected values, probability puzzles, number manipulation). • Logic and probability puzzles: Think of problems involving coins, dice, cards, or Bayesian reasoning. It’s less about prior knowledge and more about thinking out loud and asking the right questions. • Communication: They want to see how clearly and precisely you explain your thought process. 2. Follow-up Technical Interviews • More in-depth problems: These might be longer or more open-ended than the initial screen. They often involve iterating on a solution as the interviewer adds constraints. • Game theory, probability, statistics, estimation questions. • Programming (if applicable): For quant research roles, there might be some Python or OCaml-style thinking, but usually less coding and more algorithmic logic.
Expected value, statistics, dice problems
They asked me about probability theory
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