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Quantitative Research Associate Interview Questions
3,500 quantitative research associate interview questions shared by candidates
What is the complexity of the Quick Sort algorithm?
Divide array of numbers from 1 to 100 into 2 groups which have the same sum.
You have n coins and one of them is bad (either heavier or lighter), what is the maximum number n can be if you need to determine the bad coin in 3 weightings of a scale.
There are four balls, two black and two white. You pick two and random and flip their color from one to the other and repeat. How many times would you do this to ensure all four balls are the same color?
Bag with 4 marbles. Two red and two blue. Draw the balls one at a time, but before it comes out, try to predict the color. If correct, you get a dollar. If you play optimally, what is the expected value of the game?
#of cars passing my door every morning conforms to what kind of dist?
Is now a good time?
Given an unfair coin that is heads 2/3 of the time and tails 1/3 of the time, how do simulate a fair coin?
probability questions like “You’re given a biased coin with a known probability 𝑝 of landing heads. How would you determine the expected number of flips until it shows heads twice in a row?”
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