Trading Assistant Interview Questions

5,701 trading assistant interview questions shared by candidates

one bulb in a sealed room, three switches, a,b,c, outside of the room, the room is totally sealed, nothing can be seen even the bulb is on, you can enter the room only once, how to confirm which switch is for that bulb
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Trading Operations Analyst

Interviewed at Virtu Financial

4
May 27, 2015

one bulb in a sealed room, three switches, a,b,c, outside of the room, the room is totally sealed, nothing can be seen even the bulb is on, you can enter the room only once, how to confirm which switch is for that bulb

There are 100 seats on a train that is fully booked. The first passenger is blind and takes a seat at random. Whenever another person gets on the train they take their seat if it's free. If it is not they choose one of the empty seats at random. What is the probability that the last passenger sits in their assigned seat?
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Trading Intern

Interviewed at Jane Street

4.4
Dec 7, 2017

There are 100 seats on a train that is fully booked. The first passenger is blind and takes a seat at random. Whenever another person gets on the train they take their seat if it's free. If it is not they choose one of the empty seats at random. What is the probability that the last passenger sits in their assigned seat?

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