model building and presentation to stakeholders
Quantitative Research Intern Interview Questions
4,871 quantitative research intern interview questions shared by candidates
Hackerrank question with easy and medium Leetcode problems.
Why you choose this firm and this program.
Great focus on stochastic calculus questions, such as brownian motion, martingale, application of ito lemma. (Whether W^3 is a martingale or not, if not, add a term and makes it a martingale). Markov chain (2 people play a game, roll the dice one by one, the person who first roll the 6 win, what is the probability of the 1st person to win). Some probability and statistics questions. A little linear algebra. 3/5 questions are maths, 1/5 questions are coding (such as the inheritage of the class in C++), 1/5 are financial questions(delta hedging, butterfly option spread).
brainstorm
Price the American options, some gambler's ruin problems
Define a random variable, conditionnal expectation, independency of r.v. What is a Lasso/Ridge regression ? What is a PCA ? what is the main hypothesis ? What is Monte Carlo ? Monte Carlo with rejection sampling ? What optimisation algorithms was I able to explain ? What are bayesian statistics ?
100 prisoners wearing hats, blue and green. Only one time of asking questions for each person. How to make maximum people survive.
I was asked to do a case study, e.g there's a company whose main competitor's profit margin is outpacing our company. Here I was asked to start asking the relevant questions that would give me information necessary to solve the company's problem.
I was asked to describe a recent project I had worked on.
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