Quantitative Trader Interview Questions

1,130 quantitative trader interview questions shared by candidates

TIQ: You are a contestant on a game show, and you are presented with three doors. Behind one of the doors is a car, and behind the other two are goats. You pick one of the doors, and the host, who knows what's behind each door, opens one of the remaining doors, revealing a goat. The host then gives you the option to either stick with your original choice or switch to the other unopened door. What is the best strategy to maximize your chances of winning the car, and why? Additional Question: Later that evening, you learn that in a city of IT specialists, very few people won in a similar game. What could be the reason?
avatar

Quantitative Trader

Interviewed at Quantum Brains

3.8
Sep 24, 2024

TIQ: You are a contestant on a game show, and you are presented with three doors. Behind one of the doors is a car, and behind the other two are goats. You pick one of the doors, and the host, who knows what's behind each door, opens one of the remaining doors, revealing a goat. The host then gives you the option to either stick with your original choice or switch to the other unopened door. What is the best strategy to maximize your chances of winning the car, and why? Additional Question: Later that evening, you learn that in a city of IT specialists, very few people won in a similar game. What could be the reason?

MTQ: Two friends bought steaks for dinner. One bought and cooked 7 steaks, the second bought and cooked 5 steaks. Later their friend joined them and they ate dinner all together. The third friend didn't want to stay in debt and paid his friends $40 for dinner. How should the friends who made dinner split the money among themselves? Answers: (7:5; 5:7; 6:4; 3:1; 1:1)
avatar

Quantitative Trader

Interviewed at Quantum Brains

3.8
Sep 24, 2024

MTQ: Two friends bought steaks for dinner. One bought and cooked 7 steaks, the second bought and cooked 5 steaks. Later their friend joined them and they ate dinner all together. The third friend didn't want to stay in debt and paid his friends $40 for dinner. How should the friends who made dinner split the money among themselves? Answers: (7:5; 5:7; 6:4; 3:1; 1:1)

MTQ: From point A to point B a robot travels by the shortest routes (all routes are equiprobable). Calculate the probability that the robot will pass through a segment of path CDE. (picture was related) Possible answers: (0.1714; 0.5; 0.1429; 0.05; 0.25)
avatar

Quantitative Trader

Interviewed at Quantum Brains

3.8
Sep 24, 2024

MTQ: From point A to point B a robot travels by the shortest routes (all routes are equiprobable). Calculate the probability that the robot will pass through a segment of path CDE. (picture was related) Possible answers: (0.1714; 0.5; 0.1429; 0.05; 0.25)

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