Quantitativer Analyst Interview Questions

10,158 quantitativer analyst interview questions shared by candidates

You have all the clubs from a deck, 13 cards, and you can choose 2 from the deck and get paid their product, where all face cards are considered to be 0. You can pay $1 to reveal the difference of any two cards you choose, how much would you pay to play this game?
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Quantitative Trader

Interviewed at Jane Street

4.4
Jan 15, 2018

You have all the clubs from a deck, 13 cards, and you can choose 2 from the deck and get paid their product, where all face cards are considered to be 0. You can pay $1 to reveal the difference of any two cards you choose, how much would you pay to play this game?

We have two candles. The one burns in 2 hours the other burns in 1 hour (I am not sure about the numbers). At which time should we burn simultaneously these candles in order the one candle to have double the length of the other at 4pm?
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Quantitative Trader Intern

Interviewed at TransMarket Group

4.1
Apr 17, 2017

We have two candles. The one burns in 2 hours the other burns in 1 hour (I am not sure about the numbers). At which time should we burn simultaneously these candles in order the one candle to have double the length of the other at 4pm?

You have r red balls, w white balls in a bag. If you keep drawing balls out of the bag until the bag now only contains balls of a single color (ie you run out of a color) what is the probability you run out of white balls first? (in terms of r and w).
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Quantitative Researcher

Interviewed at Citadel

4
Dec 4, 2018

You have r red balls, w white balls in a bag. If you keep drawing balls out of the bag until the bag now only contains balls of a single color (ie you run out of a color) what is the probability you run out of white balls first? (in terms of r and w).

You're throwing a party in 24 hours and have purchased 1,000 bottles of wine. You are informed that one of these 1,000 bottles is tainted with a slow-acting poison that will kill the consumer 24 hours after intake. You have 10 rats that you can use to taste the wine. How many bottles will you be able to ensure are not poisoned by the time the party begins?
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Summer Quantitative Trading Internship

Interviewed at Old Mission

4.2
Dec 2, 2013

You're throwing a party in 24 hours and have purchased 1,000 bottles of wine. You are informed that one of these 1,000 bottles is tainted with a slow-acting poison that will kill the consumer 24 hours after intake. You have 10 rats that you can use to taste the wine. How many bottles will you be able to ensure are not poisoned by the time the party begins?

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