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Quantitative Developer Interview Questions
10,227 quantitative developer interview questions shared by candidates
You play a game where you can roll a dice once and decide if you want to get paid the dice or roll again and get paid the value from the next roll. How much would you pay to play? How can you find the answer not with 2 but any number of rolls where you have the option of taking the roll value at each stage or rolling again?
If you were an animal which one would you be
Q: If you have a chance of winning a $1 for every head that is flipped, how much will you make for 4 tosses? Then, if you were given the option to flip one of the tails one more time, what does your expected value of winnings climb to? Vice-versa.
At a school fair, you stumble across three children playing a game. The game involves four jars that each contain an equal number of marbles of each of six colors: blue, red, yellow, green, orange, and purple. In a turn, one draws a marble at random from each jar and the object of the game is to draw four marbles of the same color. The four marbles are then returned to their original jars and the turn ends. You observe each of the three children play a turn. The first child draws 2 green marble, 1 blue marbl, and 1 red marble. The second child draws 3 red marbles, and 1 yellow marble. The third child draws 4 blue marbles (and wins). In expectation, the third child has played M times as many rounds of this game as the second child has, and the second child has played N times as many rounds of this game as the first child has. Compute M+N.
Regression assumptions, prob and ML questions.
How to calculate the length of a union of n intervals. For example, the union of [1.5, 2] and [2.5, 3] is [1.5, 2] U [2.5, 3], which has length 1. The union of [1.5, 3] and [2, 2.5] is [1.5, 3], which has length 1.5.
4) You have a 3D cube. You start at (0,0,0), and can make the steps (0,0,1), (0,1,0), (1,0,0). How many paths are there from (0,0,0) to (3,3,3)?
price of call option
Sum of all prime numbers between 1 and 100 that are 1 less than a multiple of 5 and 1 greater than a multiple of 4.
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