Internship Interview Questions | Glassdoor

# Internship Interview Questions

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Internship interview questions shared by candidates

## Top Interview Questions

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### Software Engineer Internship at Orbitz Worldwide was asked...

Mar 18, 2011
 What is the angle between hour hand and minute hand at 3.15?2 AnswersLets deal with the hour hand first. In 60 minutes (1 hour) the hand travels 5 minutes on the clock face, so in 1 minute it travels 0.0833 minutes on the clock face (5/60). At 3'0clock the hour hand was exactly at 3. After 15 minutes it has moved 0.0833*15 = 1.25 minutes on the clock face. At 3.15 the minute hand is exactly at 3, so the difference between the hour and minute hand is 1.25 minutes. So now we just convert 1.25 minutes into degrees to get the angle between the two hands. We do that with the following logic - in 60 minutes the minute hand turns 360 degrees, so in 1 minute the hand turns 360/60 = 6 degrees, so in 1.25 minutes the hand turns 6*1.25 = 7.5 degrees. This is the angle between the two hands at 3.15http://en.wikipedia.org/wiki/Clock_angle_problem

### Marketing Internship Program at Discover was asked...

Oct 22, 2013
 A lillypad doubles in size everyday, on the 24th day it is at half size. How long does it take to get to full size?2 Answers48 daysOn the 25th day (each day the size doubles - it is 1/2 of full size today. So 2x1/2 = 1 within 1 day)

Feb 17, 2014
 A survey is given to all passengers on a number of different planes. The survey asks each person how full their plane was. The people answer honestly. If 50% of people claim that their plane was 80% full, while the other 50% claim that their plane was 20% full, how full was the average plane?2 Answers32%, I think? I totally blanked during the interview and it took me a while to get.Let's say each plane holds 100 people. If someone is on a plane which is 80% full, then each of the 80 passengers will say the same thing. Similarly, if someone is on a plane which is 20% full, then each of the 20 passengers say the same thing. We want the number of people who say 80% to be equal to the number of people who say 20%, so for each plane which says 80% there must be four which say 20%. The average is therefore (1/5)80% + (4/5)20% = 32%.

### Financial Engineering Internship at Duff & Phelps was asked...

Feb 25, 2012
 How many simulations would it take to get an accuracy of less than or equal to 1%2 AnswersUse the 1/sqrt(N)Does it not depend on the variance of the Monte Carlo estimates. The standard error does scale with 1/sqrt(n) but also depends on the variance of the algorithm simulations. The number of simulations can be lowered using variance reduction techniques such as antithetic, control variante, etc.

### Financial Training Program (Internship) at Morgan Stanley was asked...

Apr 27, 2011
 What is the difference between a futures contract and an options contract?2 AnswersFutures are more obligations and options are rightsfutures also mark to market

### Program Manager Internship at Microsoft was asked...

Jul 23, 2013
 Problem: Array of 100 integers between 0 and 100. One integer is doubled, find out which. Question: Which methods exist and how do they compare?2 AnswersThe worst answer in this case is an algorithm, the interviewer clearly did not ask for that. An important question to ask is whether they want the Position of the doubled integer or only its value. Possible solutions: sort (quick sort, radix-sort/K-sort), search, counting, Polynom, a[0]+a[1]+...a[101] - 0+1+2+99+100 = doubled integer.sum on N numbers in (N*N+1)/2. Add all the numbers and find out how much it differs from this sum

### Summer Software Engineering Internship at Symantec was asked...

Feb 9, 2012
 What is the difference between a Class in C and an Object in C++?2 AnswersC has no class- C is a functional programming language!!!!!I think you mean difference between class and object in C++, C is a low level language with no Class functionality (it does have struct however). A class is a collection of variables and functions for the purposes of OO programming. An object is an in stance of the class that can call its member functions and variables

### Summer Software Engineering Internship at Symantec was asked...

Feb 9, 2012
 What is the difference between a signed and unsigned integer variable type?2 AnswersSigned can hold positive and negative numbers, unsigned numbers can only hold positive numbers (or 0)signed value ranges from (-Max_Val, Max_Val), while signed goes from (0, 2*Max_Val). Max_Val is the predefined maximum value for the specific data type. They both have the same range of 2*Max_Val

### IBD Strats Internship at Goldman Sachs was asked...

Apr 20, 2012
 You have 4 cards, 2 black and 2 red. You play a game where during each round you draw a card. If it's black, you lose a point. If it's red, you gain a point. You can chose to stop at any time. What's the expected value of this game?6 AnswersUse a results table and start from the ending state (0,0) = no cards left, calculate it's expected value, and work backwards from that state knowing that you can always choose to continue the game until you break even (reach (0,0)).2/3how do you get 2/3?Show More ResponsesI got 3/4 ~Draw a tree. If you get 1 point, you prefer to stop because that's 1/2 expected value, and otherwise you have (1/2*1/3) to get 2, which is 1/3 expected value. Than find that in the other direction you have to play (0.5*(2/3)*0.5) just to get 1.It's 1. The person who suggested the tree is correct. You add 1/2 + 1/3 + (0.5*(2/3)*0.5) you get 1. In this game you will never lose.

### Consultant Internship at CGI was asked...

Mar 7, 2013
 A worker is to perform work for you for seven straight days. In return for his work, you will pay him 1/7th of a bar of gold per day. The worker requires a daily payment of 1/7th of the bar of gold. If you were only able to make 2 cuts to the gold bar, describe how this will allow you to pay him 1/7th each day? 2 AnswersI'd melt it, not cut it.first cut 1/7, 2nd cut 2/7, this will leave a remainder of 4/7 bar 1st day: give him 1/7 bar, 2nd day, give him 2/7 bar and get back the 1/7 bar, 3rd day: give him the 4/7 bar and get back the 2/7 and the1/7 bar and etc etc.
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