Summer Trainee Interview Questions

61,152 summer trainee interview questions shared by candidates

Assume x dollar(uniformly from(0,1000)) is put into a blackbox. Then you bid on the amount. If x>bid, you get return 1.5x-bid; otherwies you get nothing. The question is what is the optimal bid. Several other different circumstances are also been asked.
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Trading Summer Intern

Interviewed at Jane Street

4.4
Nov 7, 2016

Assume x dollar(uniformly from(0,1000)) is put into a blackbox. Then you bid on the amount. If x>bid, you get return 1.5x-bid; otherwies you get nothing. The question is what is the optimal bid. Several other different circumstances are also been asked.

There are four fair coins. They are flipped all at once. You can pick any 2 of them and switch them (from H to T or viceversa). You can do this as many times as you want. For any Heads showing up, you will receive 1 dollar. How much do you expect to win?
avatar

Summer Analyst

Interviewed at Jane Street

4.4
Apr 6, 2019

There are four fair coins. They are flipped all at once. You can pick any 2 of them and switch them (from H to T or viceversa). You can do this as many times as you want. For any Heads showing up, you will receive 1 dollar. How much do you expect to win?

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