Researcher Interview Questions in Los Angeles, CA | Glassdoor.co.in

# Researcher Interview Questions in Los Angeles, CA, US

733

Researcher interview questions shared by candidates

## Top Interview Questions

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### Model and Algorithm Researcher at TGS Management Company was asked...

4 Aug 2012
 For any prime number larger than 3, prove that p^2 - 1 is always divisible by 24.2 AnswersThe trick is to realize P^2-1 = (P+1)(P-1). P is prime so it must be odd so P+1 and P-1 are both even and therefore one of them is divisible by 4 and the other by 2. Of any 3 consecutive numbers, one must be divisible by 3 so if we take P-1, P, and P+1; P cannot be divisible by 3 since it's a prime greater than 3 so either P+1 or P-1 is divisible by 3. Therefore we have the factors: 3*2*4 = 24.Another method is as follows. All primes must be equivalent to +/- 1 or +/- 5 mod 12. All other mod will have some factor in common with 12. In the case of +1: (12k+1)^2 - 1 = 144k^2 + 24k = 24(6k^2+1) has a factor of 24. The same is true for -1. In the case of +5: (12k+5)^2-1 = 144k^2+120k+24 = 24(6k^2+5k+1). The same is true for -5.

### Model and Algorithm Researcher at TGS Management Company was asked...

4 Aug 2012
 If you take an 8x8 cube and dip it in paint, how many of the 8^2 cubes do not have paint on them?2 Answersthere are 8^3 cubes, not 8^2.. 6^3=216this is a question they often use for all positions.

### Quantitative Researcher at TGS Management Company was asked...

15 Sep 2012
 How to generate a gaussian distribution with rand()2 Answersrand(m,n) produces a m*n matrix, where each element is a random observation from N(0,1).Use either inverse transform or Box-muller, rand(m,n) only gives uniform r.v.

### Research Assistant at The Lundquist Institute for Biomedical Innovation was asked...

30 Aug 2017
 What type of individual project would you be interested in conducting?2 AnswersSomething to do with neurological disorders'How does sugar effect mood'

### Guest Research Specialist at Disney Parks was asked...

7 May 2015
 If a child is using a hammer and hurts his thumb, what would you do?2 AnswersI would make him laughI would take the hammer check his thumb to make sure he ok then I gave him a big hug.

### Research Associate at Hotchkis and Wiley Capital Management was asked...

6 Jul 2015
 There are various difficult technical questions, mostly in finance but also some math problems. Review an old finance exam to prepare.2 AnswersBring a calculator, pencils, and do your best.What kind of finance exam? Could you give an example of the question that was ask? It will be really helpful. Thanks!

20 May 2018
 Personality and IQ Test2 AnswersThese are timed tests.At least the recruiter returned phone calls to you. I had a similar experience with Addison

### Research Study Coordinator at UCLA Health was asked...

10 Aug 2015
 Where do you see yourself in 5 years?1 AnswerSupervising all study coordinators

### Researcher at Economic Roundtable was asked...

19 Sep 2017
 Work history and interests.1 AnswerHow to develop probabilistic analytic model

### Research and Development Manager at Driscoll’s was asked...

16 Mar 2018
 After telling them about myself, he asked several pertinent technical agricultural questions.1 AnswerI answered honestly as best I could. He really liked that I was up front and had integrity.
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