Analyste Quantitative Junior Interview Questions

10,234 analyste quantitative junior interview questions shared by candidates

Given 3 black and 2 white balls in a bag, you can take several balls and stop when you want to. How should you determine when to stop in order to maximize expectation of b-w. This part is easy, Then some generalization of it which is really hard.
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Quantitative Researcher

Interviewed at Jane Street

4.4
Apr 8, 2022

Given 3 black and 2 white balls in a bag, you can take several balls and stop when you want to. How should you determine when to stop in order to maximize expectation of b-w. This part is easy, Then some generalization of it which is really hard.

1. If you have 100 chips, how can you split them into piles in order to maximize the product of the number of chips across all piles? 2. You are flipping four coins and you get $1 for the number of heads that show up. a) You are given the choice to reflip all 4 coins (once). What is your strategy? b) You can reflip all 4 coins as many times as you want, but you have to pay $1 to reflip each time. What is your strategy?
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Quantitative Trading Intern

Interviewed at Jane Street

4.4
Oct 15, 2022

1. If you have 100 chips, how can you split them into piles in order to maximize the product of the number of chips across all piles? 2. You are flipping four coins and you get $1 for the number of heads that show up. a) You are given the choice to reflip all 4 coins (once). What is your strategy? b) You can reflip all 4 coins as many times as you want, but you have to pay $1 to reflip each time. What is your strategy?

Easy: If there are 8 people and they all shake hands with each other once, how many handshakes were there? If there are four couples in the 8 people that don't shake hands with each other, now how many handshakes are there?
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Quantitative Trader Intern

Interviewed at Jane Street

4.4
Sep 29, 2022

Easy: If there are 8 people and they all shake hands with each other once, how many handshakes were there? If there are four couples in the 8 people that don't shake hands with each other, now how many handshakes are there?

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