Repeated coin toss; The outcome observed; What is the probability of sth.
Quantitativ Interview Questions
10,163 quantitativ interview questions shared by candidates
Why do you want to work at Jane Street? Asked to write a program (in language of choice) that took a name and a sequence of characters (as, for example, the name "jump" would be assigned the sequence 'ABC' in a simple video game). Needed one method to store name-sequence pairs, and one method that would print any names associated with a sequence of characters entered by the user.
Basic probability, some coding questions
What is the biggest number that does something...something...?
flip 4 coins. the probability of having an odd number of heads.
Round 1: Typical Question you can find here. Adding up odd numbers within 100, two painters paint at different speed to work together, what's the chance 12 coins tossed having an even number of heads. Totally 8 of them.
2 dice. My dice- 20 side 1-20. The other player 30side 1-30. We both flip. If my number is bigger then the other player gave me my number of dollars, vice versa. But if we got the same number , I pay the other player the number of dollars. What is the expected value of my winning or lost ?
Specific interview questions are confidential; I will only note that they were probability problems and some basic game theory. No fancy math, though some problems did require a trick as the straightforward approach would take way too long.
They give me a large integer number. The task is to decompose it into prime numbers and construct a new number.
They asked me no questions.
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