Financial Analytics & Research interview questions | Glassdoor

# Financial Analytics & Research interview questions

Deloitte Interviews

www.deloitte.com /  HQ: New York, NY

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FactSet Interviews

www.factset.com /  HQ: Norwalk, CT

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AKUNA CAPITAL Interviews

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## Interview Questions

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### Collections Specialist at Account Control Technology was asked...

May 9, 2016
 How would you get in contact with someone who doesn't answer the phone and has no voicemail?1 AnswerCall employer. If unemployed, family members.

Nov 29, 2011

### Senior Software Developer at Tower Research Capital LLC was asked...

Jun 7, 2010
 Another was a puzzle: A king orders 100 bottles of wine for a celebration. A courtier who's angry with the king over something puts poison in one of those bottles. The king has a way of identifying the poisoned bottle by giving a few drops of wine to a monkey. Since the poison is fast acting, the monkey will die immediately. Whats the minimum number of monkeys needed to find the poisoned bottle? 5 AnswersAssuming that there is only one poisoned bottle, then you only need one monkey- because as soon as it dies, you found the bottle. However, if there is more than one bottle, or suspicion of more than one bottle, you will need at least two monkeys.you need only one monkey since you will keep giving him wine till he dies and as soon as he's dead you know that was the bottle.I think it means we can only test once. So the minimum # of monkeys is 99, is it?Show More ResponsesThe answer is 7. Let monkeys be numbered 1-n. Each number less than or equal to 100 can be written as a 7 bit number. Hence, bottle one(0000001) is given to monkey 1. bottle three(0000101) is given to monkeys 1 and 3 and so on. Now say monkeys 1 3 5 died, it means that the number is 0010101 which means the bottle 41 is the poison!The way it's written, it seems like one would be the answer, or perhaps considering a monkey's tolerance for wine, N = 100 / (number of drops of wine a monkey can drink before passing out)... When asked with the condition that the monkey will die some time later, i.e. not immediately, the binary number technique described by Sri Krishna is best.

### Developer at Tower Research Capital LLC was asked...

Feb 8, 2011
 Given 1000 bottles of wine, 1 has poison, how many rats would it take to find the poison if you only get one timestep. I.E. You can only run your experiment once and check the rats once.6 AnswersIt would take 10 ratsIt would take 5 rats10 rats, I think. 2^10>1000Show More ResponsesI get 10 rats with a carefully designed experiment...how to combine the bottles of wine so that each rat gets one tasting? I think the first rats wine gets a mixure of all the odd bottles, the second 2...6...10, third 4....12...20..., and so on.Correction...just the bottles numbers corresponding to a 1 for the decimal-binary conversion: 1 gets 1,3,5,7,..., 2 gets 3,6,7,10,11, so on10 rats Think about using the rats to create bit representations of each number 0 to 1000. Administer wine to the group as per the corresponding set bits e.g., 1010 would correspond to bottle number 10. It would imply rats 2 and 4 drink the wine (starting from 0 bit). So if in such a scenario, only rat 2 and 4 die, we would know the answer. Express all 1000 bottles in bit equivalents and proceed (1024 - 2^10 ). We would therefore need 10 bottles.

### Developer at Tower Research Capital LLC was asked...

Nov 7, 2010
 Tell me about your self? Some questions about my thesis. What is the expectation value by rolling a dice? What if you have the second chance if you feel the first result is not large enough?4 AnswersExpected Value if die is to be rolled once = 3.5 Expected Value in second case: if output of first roll 1/6*(1+2+3)+1/6*(1+2+3+4+5+6) = 4.5 first part is for first roll and second part is for the second roll. Case doesn't rolls again: => 1/6(4+5+6) = 2.5 =>E[X] = 1/2*(4.5) + 1/2*(2.5) = 3.5It is wrong. Should be 4.25.Indeed 4.25Show More ResponsesEl is wrong. Em and John are right. Here's the details- E[1roll] = 3.5 Roll second time only if you get 1,2,3 ie with probability 1/2. So get 4or5or6 with prob 1/2 (stop after first roll) and get expected value of 3.5 (2nd roll) with another prob 1/2 = 1/2 * 5 + 1/2 * 3.5 = 4.25

Oct 6, 2013

### Analyst at Deloitte was asked...

Apr 27, 2010
 If you get a 20% raise after your first year and now make \$80K, how much did you make your first year?6 Answers\$80K divided by 1.2 (didn't ahve to actually do the math)easy to approximate in your head. Divide 80 not by 5, but by 6. That is 13 1/3. that's the amount of your raise. So 80 minus 13 1/3 is 66 2/3, your original pay. Check it, it works because 13 1/3 is 1/5th of 66 2/3, which is 20%. Elegant.80/1.2 = 80/(6/5) = 80*5/6 = 400/6 = 66 + 4/6 = 66 + 2/3 = 66.6666667Show More ResponsesIt depends if "now" is the time after first year. Now might be 3rd of 4th year which will make it impossible to calculate the amount earned the first year as we don't know how much raise the person got the following years.who the devil knowsAnother simple way to do this is that 80k is know 120% of original salary. So divide 80k with 120 and then multiply by 100 which is 66666.6667

Oct 15, 2012