Quant Interview Questions

"Suppose a game has you roll a fair six-sided die repeatedly, until you first encounter a number..."

"What is the probability of drawing a 4 of a kind from a standard 5-card hand?"

"Imagine you are given a standard deck of 52 cards (half of the cards are red and the other half..."

"You are playing a 2D game where your character is trapped within a 6×6 grid. Your character starts.."

"A farmer is on his way back from the market, with him he has a fox, a chicken, and some grain. When "

"Bob and Jill are playing a competitive game in which they take turns calling out numbers. The..."

"We have 4 positive integers A, B, C, and D. We know AB = 16, BC = 14, and CD = 63. What is ..."

"You are given 9 coins and one old-fashioned balance scale. All coins weigh the same, except ..."

"A truck driver has been tasked with transporting 3000 apples between towns A and B, ..."

"Assume you are given a stick that is 1 meter in length. Randomly select 2 points on the stick and..."

"Dan has 2 glasses. The first glass was 3/4 full of water while the second was empty. He then ..."

"Two players take turns rolling two six-sided dice. Player A goes first, followed by player B ..."

"You are shooting arrows at a target with three rings: there is a circle with a 4 inch ..."

"A building has 10 floors above the basement. If 12 people get into an elevator ..."

"You take a standard shuffled deck of cards and keep flipping them over until the first ..."

"What is the expected number of cards you need to get from a 52-card deck before you see ..."

"If you have 365 people in a room, what is the likelihood that at least 2 of them have ..."

"If I roll a die 36 times, what is the probability that each number appears exactly 6 times?"

"You place three dots along the edges of a octagon at random. What is the probability that all ..."

"A certain disease has an incidence rate of 2%. If the false negative rate is 10% and the false ..."

"You throw three fair dice consecutively. What is the probability that you obtain three numbers in..."

"An ant sits at one corner of a unit cube, wishing to travel to the corner farthest from it. What ..."

"In Wimbledon, 128 players with a distinct ranking compete to win a Grand Slam tennis title. Assume.."

""You roll a fair six-sided and sum the outcomes until you reach a multiple of 6. What is the ...""

"You are the portfolio manager of a fund worth $75 million. Your fund has 5 possible asset classes..."

"You are given a 3 by 3 grid upon which the numbers 1 through 9 are placed. Each number can only..."

"5 pirates have looted 100 coins from a tropical island. They must vote on how to divide these ..."

"Consider the linear regression setting in which you are given a training set ..."

"Please complete the following sentences If the close price of ABC at expiration is $20, a $19.50..."

"At an ice cream parlor you are presented with 10 toppings to choose from. How many different ..."

"You're on a gameshow and are tasked to choose the lucky door. Behind 1 door is $10,000. The ..."

"You have two ropes. Each rope will take exactly 1 hour to burn all the way through. The densities..."

"A king wants to hold a festival, for which he has 10 royal cakes. It is brought to his attention ..."

"What is the variance of a uniform random variable X with probability density function ..."

"Suppose you roll a fair 6-sided die until you've seen all 6 faces. What is the probability you..."

"You are playing a game where two players each roll two dice. If any one die matches the other ..."

"You are given an array of stock prices where price[i] is the price of a given stock on the..."

"You roll two dice and select the one with the highest roll. What is the expected value of the die..."

"Given a stream of stock data, create a data structure that can efficiently handle the following ..."

"Your neighbor has 3 children and you always forget how old they are. However, you know their ages..."

"Samuel flips a fair coin until he lands a tails. By playing this game, Samuel receives a minimum..."

"Assume that you are taking samples of size n from a population. For each sample, let p represent..."

"You have a fair coin. Denote Xi as the number of flips required to see exactly i heads"

"As an extension of 2D Grid Game, this problem introduces a twist where we have power ups to get"

"Two Sumo wrestlers (A and B) have on wrestling match each day for N days. Let Xi denote the..."

"Suppose the price of stock ABC is $62, interest rates and dividends are 0, and we are analyzing ..."

" Randomly chose a coordinate (x, y, z) on the unit sphere‌‌‌‌‍‌‌‍‌‌‍‌‍‍‌‍‍‌‌. What is the variance of the z-coordinate?"

"Find the trader who bought and sold the most META stock in the past 30 days. Allow for ties and..."

"An electronic safe has a three digit code. You are given two hints regarding the code to the..."

"There are ten employees who must be assigned to various tasks. Three members will be working... "

"A quantitative hedge fund consists of a team of 35 traders. These traders execute trading ..."

"A multi-billion dollar hedge fund has many subsidiary funds that each have their own investment..."

"A donut shop has 25 different bakers, each of whom bake donuts. Each baker's output is..."

"In New York City, there is a select group of hedge fund managers that cherish any opportunity..."