You have 12 identical balls, one ball is heavier than the rest (you don't know which). Using just a balance which can only show which side is heavier, what is the minimum number of times you can use the weight to find the heavier ball?
Junior Quantitative Trader Interview Questions
908 junior quantitative trader interview questions shared by candidates
Basic pattern matching, basic math
Probability and EV questions
They ask three probability questions per interview, and then speak shortly after about your experiences and qualifications.
conditional probability and behavioral questions.
1. mental calculate 1+3+...+99 2. coin flip problems. expectation. 3. hour hand-min hand angle.
Devise a strategy of betting on a seven-game series such that if team 1 wins the series you win $1000 no matter what and if team 1 loses, you lose $1000.
Basic probability
If you get a dollar for every head you roll in a coin flip, what is the expected amount you'll make with 4 flips?
DP problem on drawing balls from hat
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