Quant Analyst Interview Questions

2,952 quant analyst interview questions shared by candidates

suppose you, player A, player B are in a tennis tournament. Player A has a better chance of beating you than player B does. If you would like to maximize your chance of winning two games in a row, which sequence would you prefer, ABA or BAB?
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Quant

Interviewed at Jane Street

4.4
Nov 23, 2010

suppose you, player A, player B are in a tennis tournament. Player A has a better chance of beating you than player B does. If you would like to maximize your chance of winning two games in a row, which sequence would you prefer, ABA or BAB?

There are 100 doors in a row in the hall way. All closed.The first person goes to change status of all doors. The second person goes to change status of every second door(2,4,6,8,...). The third person goes to change the status of every third door(3,6,......). ....There are 100 people doing this in a row. How many door s are closed in the end after all this?
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Quant Engineer

Interviewed at Evernote

4.2
Feb 19, 2015

There are 100 doors in a row in the hall way. All closed.The first person goes to change status of all doors. The second person goes to change status of every second door(2,4,6,8,...). The third person goes to change the status of every third door(3,6,......). ....There are 100 people doing this in a row. How many door s are closed in the end after all this?

Q: Integrate xlogx. Q: Put the numbers 1~1000 around a circle in order. Start at 1, you delete the number 1, 3, 5, ... and carry on this pattern of deleting numbers alternatively until there's only one number left. Determine that number.
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Quant Research Intern

Interviewed at Citadel

4
Feb 2, 2021

Q: Integrate xlogx. Q: Put the numbers 1~1000 around a circle in order. Start at 1, you delete the number 1, 3, 5, ... and carry on this pattern of deleting numbers alternatively until there's only one number left. Determine that number.

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