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83,731 research engineer interview questions shared by candidates

Brain teaser: You have nine coins that are identical in weight except for one which is lighter than the others. The difference is perceptible by weighing them on a scale, and only the coins themselves may be weighed. How can you identify the lighter coin in the least amount of weighings?
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Research Associate

Interviewed at Locus Biosciences

2.2★
Jan 4, 2020

Brain teaser: You have nine coins that are identical in weight except for one which is lighter than the others. The difference is perceptible by weighing them on a scale, and only the coins themselves may be weighed. How can you identify the lighter coin in the least amount of weighings?

How would you cope into a National Laboratory in the middle of no-where after coming from a vibrant city like Chicago? Remember, post-doctoral people have complained about feeling dejected at work because of a lack-lustre social life.
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Postdoctoral Research Associate

Interviewed at Oak Ridge National Laboratory

4.1★
Sep 24, 2013

How would you cope into a National Laboratory in the middle of no-where after coming from a vibrant city like Chicago? Remember, post-doctoral people have complained about feeling dejected at work because of a lack-lustre social life.

You must pass the online test before moving on to the next step. It is not extremely difficult, but you have to possess good knowledge of probabablity, statistics, & quantitative. You have 1 to 15 minutes to answer a question depending on the difficulty, thus you must be able to solve the probably immediately, no time to research online. Given the time constraint, the difficult part is that you MUST use math on a regular basis & remember which formulas to use. That was my problem, haven't used these tools for quite some time. I was pretty good at Math (top 1% for SAT & GRE), but I didn't pass the online test :-( The interview could have been more well-rounded by giving the candidates more chance to present their capabilities beyond the online test result.
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Investment Software Researcher

Interviewed at WorldQuant

4.2★
Sep 10, 2012

You must pass the online test before moving on to the next step. It is not extremely difficult, but you have to possess good knowledge of probabablity, statistics, & quantitative. You have 1 to 15 minutes to answer a question depending on the difficulty, thus you must be able to solve the probably immediately, no time to research online. Given the time constraint, the difficult part is that you MUST use math on a regular basis & remember which formulas to use. That was my problem, haven't used these tools for quite some time. I was pretty good at Math (top 1% for SAT & GRE), but I didn't pass the online test :-( The interview could have been more well-rounded by giving the candidates more chance to present their capabilities beyond the online test result.

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