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Quantitative Analyst Intern Interview Questions

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10,160 quantitative analyst intern interview questions shared by candidates

Q1: What is the smallest number whose digits multiply into 216. What about 10,000? Q2: Calculate the probability of getting 3 heads after 4 coin flips. What is the probability of getting an odd number of heads for 4 flips? What about for 9? What about for N flips? Q3: What is the next date whose digits are all unique? Q4: Getting heads-tails-heads and heads-heads-tails are equiprobable after 3 coin flips. But if I keep flipping a coin, I'm more likely to get one of these combinations than the other. Why is that?
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Quantitative Trader

Interviewed at Jane Street

4.4★
May 18, 2022

Q1: What is the smallest number whose digits multiply into 216. What about 10,000? Q2: Calculate the probability of getting 3 heads after 4 coin flips. What is the probability of getting an odd number of heads for 4 flips? What about for 9? What about for N flips? Q3: What is the next date whose digits are all unique? Q4: Getting heads-tails-heads and heads-heads-tails are equiprobable after 3 coin flips. But if I keep flipping a coin, I'm more likely to get one of these combinations than the other. Why is that?

You have many soccer teams, that will compete against each other in 5 rounds of elimination competitions until one team remains. You have 1000 dollars, how should you bet on each round of competition to ensure maximum profit?
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Quantitative Analyst

Interviewed at D. E. Shaw & Co. - Investment Firm

3.8★
Jan 15, 2011

You have many soccer teams, that will compete against each other in 5 rounds of elimination competitions until one team remains. You have 1000 dollars, how should you bet on each round of competition to ensure maximum profit?

You have a path of length n. You flip a coin, if heads move one space and if tails move two spaces. You keep flipping until you reach the end. If P(i) is the probability of landing on space i, for what value of i is P(i) maximized?
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Quantitative Researcher

Interviewed at DRW

4.3★
Apr 1, 2020

You have a path of length n. You flip a coin, if heads move one space and if tails move two spaces. You keep flipping until you reach the end. If P(i) is the probability of landing on space i, for what value of i is P(i) maximized?

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