What was the probabilitiy of getting all of the questions right.
Trader Assistant Interview Questions
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Most questions were similar with those on glassdoor
Asked 4 mental math questions, then asked a bunch of probabilities about them (such as, chance i got them all right, chance i got the hardest one wrong, chance i got the hardest one right but a different one wrong etc).
The large amount of mental arithmetic required with precise accuracy in a very short amount of time surprised me. Most questions would have been fairly straightforward with pen and paper but they insisted that they shouldn't be used during phone interview.
Just a bunch of stuff about combinatorics - I freaked out and forgot the formula to calculate a choose b, which is when I had no chance of getting another interview.
Lots of mental math questions in the first interview. Asked to assess the probability that my answers were correct.
Questions that are related with reality, such as estimating population of a certain state and so on.
The one posted several times here, about the bus stopping and letting people off.
Game/gambling questions like what tactics ensures winning/better outcome
trade using expected value of dice rolling and coin flipping. Sometimes they made offer to let me decide if trade or not
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