# 34

Junior Quant Trader interview questions shared by candidates

## Top Interview Questions

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### Mental math + sequence problems including letters

Just use the regular knowledge

### Final follow up question: How many maximum pirates can be there onboard?

202 because 202 and 201 are getting 0 already for being alive. Now, if 203 suggests 0 to both 203(most senior) and 201(third most senior) he won't get a vote from 201 which is necessary to be alive. Thus, 202. Less

### Followed up with the previous puzzle. What if 6 pirates, what if 7 pirates? Then afterwards can you see a pattern?

6 Pirates: 98, 0, 1, 0, 1, 0 7 Pirates: 97, 0, 1, 0, 1, 0, 1

### 100 Coins with 5 Pirates Puzzle was asked with Senior Pirates' vote counts variant to reach 50% votes

Distribution is 98, 0, 1, 0, 1

### one probability, one decision making, one coding in python

just use general math, logic, and python skills

### The programmer aptitude test was just basic logic questions. The personality tests were completely pointless. The programming ability test was just a coding task (probably similar to what you'd be expected to do on a daily basis as an employee of the company instead of just an algorithmic challenge). Takes quite some time if you want to solve the problem & write the code properly.

What language programming u use for coding in the programming ability test? Thanks Less

### How would you create a data structure to access Name to Phone Number as well as Phone Number to Name for Data of Phone Directory with Name and Phone Number

I said, "I think this is a very trivial answer but can we maintain two python dictionaries/hash tables?" One from Name to Number Other from Number to Name They said, "Perfect" Less

### expected value of absolute difference on die throw

just draw a table of differences and find it mate

### mathematical, statistics, brainteaser questions in one hour.

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