Back Office Interview Questions | Glassdoor

# Back Office Interview Questions

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Back office interview questions shared by candidates

## Top Interview Questions

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### Candidates Day Interviews for Multiple Areas (X-Div/Back Office) at Goldman Sachs was asked...

Mar 18, 2009
 You are in a room with 3 switches which correspond to 3 bulbs in another room and you don't know which switch corresponds to which bulb. You can only enter the room with the bulbs once. You can NOT use any external equipment (power supplies, resistors, etc.). How do you find out which bulb corresponds to which switch?6 AnswersTurn on 2 switches. Turn one switch off after a few minutes. Enter room with bulbs. The bulb that is on is the only switch that is on. The bulb that is off but hot, is the switch that has been turned off. The bulb that is off and cold is the third switch.Turn on switch A for 1 minute. Turn it off. Turn on switch B. Enter the room with the bulbs. The hot bulb is A The lit bulb is B The dark bulb is CTurn switch A leave it on for 1/2 minutes and turn it off then turn on switch B. Now goto the room, the one Hot is A, Cold(or not Hot) is C, the bulb thats on is B.Show More ResponsesThe answers here all have two assumptions which are unwarranted. 1. Why do you think the light emits heat? 2. Why do you think you can touch the bulbs? (3. If you're never going to enter the room again what's the point of knowing which switch goes with which light?) The best you can do is reduce to guessing one of two bulbs.RE: Objection 1. I guess you've never touched the outside of a light bulb after it's been on for awhile. The filament gets hot-it glows, the light we see is that glowing-the heat from from the glowing filament transfers to the glass-the glass is hot. 2. Why not? This is an exercise to demonstrate problem-solving ability, not a "MacGyver" episode. Who's to say the candidates didn't ask about the room's dimensions or where the bulbs were located, or that assumptions could be made in order to formulate an answer? 3. I think you missed the point of the question. 4. Sheesh. 3.Yes, Objection, I did see that I entered "3." on here a second time. BTW, I'm not returning to this forum again, so any reply/retort/threat won't be seen by me. Good luck in your job hunting.

### Candidates Day Interviews for Multiple Areas (X-Div/Back Office) at Goldman Sachs was asked...

Mar 18, 2009
 If you have a three gallon jug and a five gallon jug No marks on either one The goal is to fill the five gallon jug with four gallons of water How is this accomplished?5 AnswersTake 5 gal. and pour into the 3 gal. The 5 now has 2 gal. Empty the 3 gal, and pour the remaining 2 gal into the 3 gal. Fill the 5 gallon and pour 1 gal. (which is the remainder of the space in the 3 gal.) This gives you 4 gal.that was from die hard 3. 1) fill up the 3 and pour it into the 5. 2) fill up the 3 and fill up the rest of the 5. that leaves 1 in the three. 3) dump out the 5. 4) pour the 1 that's left in the three into the 5. 5) fill up the 3 again and pour it into the 5. see - easy peasy. might be a bit rougher if solving it is necessary to stop a bomb from blowing up the city. mclain and samuel L got it done.1) Fill up half of 5 gal (2.5 gal) from 3 gal jug 2) Fill up half of 3gals jug(1.5 gal) and pour into 5gal jug 2.5 + 1.5 = 4galShow More ResponsesDie Hard 2 also has the solution to this question.there are actually 4 die hards, which is why you two are confused. 1. the classic big LA building he runs through glass 2. the airport based one 2*. the new york fed gold gets stolen (die hard with vengence) -- THIS is the one with the water puzzle. 3. the newest die hard where the stop lights get taken over etc, live free die hard i think

Sep 23, 2014
 Name a time when you had to be precise while working at another position. 1 AnswerNot sure what the manager was looking for here

### Management Trainee at Enterprise was asked...

Jul 12, 2014
 I interview 100 people in a month. Guess how many I choose? 1 AnswerI guessed 10. He said 5. I was supposed to be impressed, but I quickly figured out he was part of a large team. Even if each of them hired only five, that amounts to 30+ people per month for a small region. This is indicative of a high turnover rate.

### Director/Senior Manager at Zillow was asked...

Mar 20, 2012
 Describe a situation where you had to deal with a difficult employee.1 AnswerDescribed a current issue I was having with an employee who just joined the org 6 months ago and how we figured out how to work peacefully after a few rough patched early on.

### Candidates Day Interviews for Multiple Areas (X-Div/Back Office) at Goldman Sachs was asked...

Mar 18, 2009
 Stock price of GS1 AnswerI did not know, which was my own fault for not reading up sooner.

### Back Office at The Home Depot was asked...

Jul 1, 2015
 If I was comfortable counting money.1 AnswerYes.

### Software Developer Back Office at ListenFirst Media was asked...

Feb 28, 2017
 Knowledge of heapsBe the first to answer this question