Brain teaser questions which you can find on web
Quantitative Researcher Interview Questions
2,685 quantitative researcher interview questions shared by candidates
The take home project was modeling volatility.
A logic question regarding ages; a sudoku-like problem; counting how many paths are between 2 points in a grid.
Probability questions which are simpler than the online tests, but trickier
Calculate the probability of having a disease if the test is positive. What is the probability if the test is positive twice?
Monty Hall type question; Strategy of a coin toss game; Bayes theorem.
Given an n-by-n real matrix A where every entry is nonnegative, if A^2 is the zero matrix, what is the maximum number of positive entries in A?
1st inteview: - textbook problem on Bayes theorem - algorithm to find the maximum value of an array and its frequency (in any language) 2nd interview: - exptected value of optimal strategy for a card game (pick a card, get +1€ for black card, -1€ for red card, standard 52 cards deck) - algorithm to find the correct order of installation incompatibilities of packages given dependences in the form [package1, package2]
They asked two questions on probability. One on the reminder of throwing dics
Calculate expectations given certain conditions.
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