Junior Quantitative Analyst Data Analyst Interview Questions

10,226 junior quantitative analyst data analyst interview questions shared by candidates

The programming question is how do you get the largest product of three numbers out of an array. The probability question is what's the probability that you randomly choose three points on a circle and these three points would be covered by a semi-circle.
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Quantitative Analyst

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

3.8
Mar 31, 2015

The programming question is how do you get the largest product of three numbers out of an array. The probability question is what's the probability that you randomly choose three points on a circle and these three points would be covered by a semi-circle.

You roll 100 fair six-sided dice. Whenever the results contain at least one occurrence of each value in {1,2,3,4,5,6}, you remove one complete set {1,2,3,4,5,6} from the roll. You repeat this procedure as long as at least one full set can be removed. What is the expected number of dice remaining once no more complete sets can be removed?
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Quantitative Researcher (Intern)

Interviewed at Squarepoint Capital

3.9
Nov 28, 2025

You roll 100 fair six-sided dice. Whenever the results contain at least one occurrence of each value in {1,2,3,4,5,6}, you remove one complete set {1,2,3,4,5,6} from the roll. You repeat this procedure as long as at least one full set can be removed. What is the expected number of dice remaining once no more complete sets can be removed?

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