Trade Support Associate Interview Questions

11,679 trade support associate interview questions shared by candidates

Two Glass Ball problem: I am in a 100-story building. I have with me two glass balls. I know that if I throw the ball out of the window, it will not break if the floor number is less than X, and it will always breaks if the floor number is equal to or greater than X. Assuming that I can reuse the balls which don't break, find X in the minimum number of throws.
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Graduate Trader

Interviewed at Vivienne Court

4.2
Jun 10, 2022

Two Glass Ball problem: I am in a 100-story building. I have with me two glass balls. I know that if I throw the ball out of the window, it will not break if the floor number is less than X, and it will always breaks if the floor number is equal to or greater than X. Assuming that I can reuse the balls which don't break, find X in the minimum number of throws.

There is a hat containing 100 one-dollar bills, 10 ten-dollar bills, and 1 one-hundred-dollar bill. You draw bills one by one at random without replacement. At any moment, you may choose to say "stop"—either right from the start or immediately after seeing the last drawn bill. Once you say stop, the next bill drawn will be yours. Question: What is the optimal strategy? And how much would you be willing to pay to play this game?

Quant Trader

Interviewed at Wincent Capital Management

4.2
Sep 24, 2025

There is a hat containing 100 one-dollar bills, 10 ten-dollar bills, and 1 one-hundred-dollar bill. You draw bills one by one at random without replacement. At any moment, you may choose to say "stop"—either right from the start or immediately after seeing the last drawn bill. Once you say stop, the next bill drawn will be yours. Question: What is the optimal strategy? And how much would you be willing to pay to play this game?

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