# Quantitative research analyst Interview Questions

quantitative research analyst interview questions shared by candidates

## Top Interview Questions

What is the probability that a best of seven series goes to the seventh game? |

What is the expected value of tosses to get 3 heads in a row? |

gambling question, whether it makes sense to gamble, if the chances are very small. Calculate the odds someone will take the grand prize if one million people goes, and odds are 1 in 1 million for each entry. |

There are two stocks with the same expected value, with variance 0.3 and 0.2 and correlation 0.5. What proportion of each stock do you invest in to yield a minimum risk portfolio? |

expectation of max value of two dices |

Expected length of the longest segment of a unit-length stick broken in 2 places. |

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 ? |

Approximate the number of book titles ever published |

If W is standard Brownian Motion, for what values of n is W^n still a martingale? |

In a set of cereals, there are 4 kinds of coupons. A child wants to collect all the 4 kinds of coupons. How many boxes in average should he buy? |

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