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Quantitative Research Intern Interview Questions

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4,831 quantitative research intern interview questions shared by candidates

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?
avatar

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?

You play a game with someone, the rule is to take turns to put a quarter on a round table ( can be any size, but must be of symmetrical shape). You are trying to cover the table up with quarters, you lose when there's no place for you to put down the quarter. Should you be the first person to play ?
avatar

Quantitative Research

Interviewed at JPMorganChase

3.9★
Feb 18, 2012

You play a game with someone, the rule is to take turns to put a quarter on a round table ( can be any size, but must be of symmetrical shape). You are trying to cover the table up with quarters, you lose when there's no place for you to put down the quarter. Should you be the first person to play ?

Suppose you are given a cube, you break the cube in 3X3X3 pieces. However, before doing so, all 6 faces of the cube were colored green. All the other faces not colored green will be white after breaking it up. You randomly pick a small cube and see one face which is green. What is the probability that the cube is an edge cube?
avatar

Quantitative Researcher

Interviewed at Susquehanna International Group

3.8★
Oct 2, 2019

Suppose you are given a cube, you break the cube in 3X3X3 pieces. However, before doing so, all 6 faces of the cube were colored green. All the other faces not colored green will be white after breaking it up. You randomly pick a small cube and see one face which is green. What is the probability that the cube is an edge cube?

You have a total of 4 investments to make of 100 dollars. You can either invest in a stock which if it goes up in value, you gain an additional 100 dollars, if it goes down, you lose 50 dollars. Or you can bet on whether the stock will go up or down at the casino, where you either win 100 if you're right or lose everything if not. Can you devise a strategy where you will always make a profit?
avatar

Quantitative Researcher

Interviewed at Susquehanna International Group

3.8★
Jul 10, 2018

You have a total of 4 investments to make of 100 dollars. You can either invest in a stock which if it goes up in value, you gain an additional 100 dollars, if it goes down, you lose 50 dollars. Or you can bet on whether the stock will go up or down at the casino, where you either win 100 if you're right or lose everything if not. Can you devise a strategy where you will always make a profit?

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