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Quantitative Developer Interview Questions
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It consists of 20-30 questions. I was provided a chart with alphabets and asked to calculate the best revenue based on the selection of different sets of alphabets.
Standard speed math practice stuffs on the green book
N coffee chains are competing for market share by a fierce advertising battle. each day a percentage of customers will be convinced to switch from one chain to another. Current market share and daily probability of customer switching is given. If the advertising runs forever, what will be the final distribution of market share? Assumption: N is an integer less than 25, Total market share is 1.0, probability that a customer switches is independent of other customers and days. Example: 2 coffee chains: A and B market share of A: 0.4 market share of B: 0.6 Each day, there is a 0.2 probability that a customer switches from A to B Each day, there is a 0.1 probability that a customer switches from B to A input: market_share=[0.4,0.6], switch_prob = [[.8,.2][.1,.9]] output: [0.3333 0.6667]
In the third problem, you are given a set of tetris-style pieces, and a rectangle. your job is to fit the pieces into rectangle if possible
probability of the sum of N iid uniform random variables less then 1
Three hard algorithm question on hackerank. You can choose what kind of language to use by yourself.
data structure, statistics
Information ratio and intuition behind it.
Hackerrank test: some basic programming, a machine learning question Phone screen: python basics (not algorithms), prob stats
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