Monthly Archives: January 2010

Common Mistake: Showing No Respect

Posted on 2010/01/21 by Quant Career Guide

Common Mistake #10: failing to respect the interviewer   As an interviewer, I saw many common mistakes committed by interviewees from all kinds of background. For example, I was often amazed at how many job candidates showing no respect for … Continue reading →

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Interview Question: Chaining in Calculus

Posted on 2010/01/15 by Quant Career Guide

Sample Question #313 (math)   (A real-world interview question)   Formally state the Chain Rule. Can you sketch a proof?     [Tip: when someone asks you to "formally" state a theorem, he/she expects you to mention the conditions under … Continue reading →

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Interview Question: Winning Big

Posted on 2010/01/15 by Quant Career Guide

Sample Question #312 (probability theory)   Consider the following two lottery games:   Game 1:  you pick 5 unique numbers from 1 to 52. You win the jackpot if all five numbers of yours match the winning numbers.   Game … Continue reading →

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Interview Question: Prime Average

Posted on 2010/01/06 by Quant Career Guide

Sample Question #311 (math) Can the average of two consecutive prime numbers ever be a prime, too? Prove your answer mathematically. [Hint: read the question carefully… this is a really easy one]

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