Five Rings Quant Research Intern interview questions
based on 7 ratings - Updated 4 Jun 2026
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Quant Research Intern applicants have rated the interview process at Five Rings with 5 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 50% positive. This is according to Glassdoor user ratings.
Candidates applying for Quant Research Intern roles take an average of 14 days to get hired, when considering 1 user submitted interviews for this role. To compare, the hiring process at Five Rings overall takes an average of 14 days.
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Hackerank OA which asked a series of maths problems. Very time pressured. Not standard probability or EV problems, more misc maths questions. Didnt get past this round, definitely the hardest OA i've seen.
The first round consisted of a resume screen then a hackerrank round consisting of quickfire math questions, basic calculus, and moderately difficult statistics questions. I did not pass this round.
I applied online. The process took 2 weeks. I interviewed at Five Rings (New York, NY) in Sept 2025
Interview
OA with difficult quick math and stats questions. Each question is like 2 min so need super fast reaction. Then there will be several rounds with difficult tech questions, mainly about math algorithm and statistics.
Interview questions [1]
Question 1
A classical question about dice: expectation of two 1 in a roll.