Refer hard logic problems on combinatorics on brilliant.org
Quantitative Researcher Interview Questions
3,504 quantitative researcher interview questions shared by candidates
What’s your drive in your life?
What do you know about us?
Why Qunatitative Researcher position? Why Optiver?
Puzzle that can be found on their page.
Why did you leave you previous jobs? What machine learning algorithms did you use? Why do you want to work with us?
Interactive G+ test including scheduling/pie chart/bar chart/pattern recognition problems. Followed by a small Python task and classical interviews.
Roll six die in same time. The probability that the sum is even number.
30 minutes to assess your ability to apply probability theory. You have a limited time per question
Expected number of moves to get out of center of 10x10 grid
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