# Implementation Consultant Interview Questions

Implementation consultant interview questions shared by candidates

## Top Interview Questions

You have a bouquet of flowers. All but two are roses, all but two are daisies, and all but two are tulips. How many flowers do you have? 43 Answers3. One of each kind. Two flowers, neither of which are roses, daisies or tulips. Maybe geraniums. If the problem requires that all flowers are R, D or T, then one of each will work. Three. 3 flowers - 1 rose, 1 daisy and 1 tulip Show More Responses Answer's 3, one of each. 3- one of each 6. 2 of each kind listed. Don't forget the trivial solution (none). We know there's two of each considering that the three types are not overlapping but we don't really know the total. The answer is "At least 6". Do you really have a bouquet if you have just 2 or 3 flowers? Otherwise, you have either 2 or 3 flowers The solution is quite simple, if you start with the “All but 2” first: Roses = All but 2 = Two flowers are not a rose; one tulip, one daisy Daisies = All but 2 = Two flowers are not a daisy; one rose, one tulip Tulips = All but 2 = Two flowers are not a tulip; one rose, one daisy Answer: One rose, one daisy, one tulip. The question is contradictory - the question says ALL of your flowers are Roses except two, and goes on to say ALL of your flowers are Daises except two. All of your flowers cannot be both Roses and Daises and Tulips. 3 3... Impossible is never a good answer... Show More Responses The real question is what did the man do to his wife to have to bring her flowers to begin with? Three. You have one of each kind. Isaac and Rayz, you both failed logic If I have 3 things, say a tire iron, a hammer and a hedgehog, I can accurately say that all but two are tire irons If I had six (let's say two of each of the above) and said all but two are tire irons, this fails. I have six objects, two of which are tire irons - the math shows that four items are not tire irons The answer only works at 3 unknown. Could be 3, could be 6, 9, 12, any multiple of 3 I would say, "Do you consider three flowers to be a bouquet?" Me: I have a Bouquet of flowers Nice riddle, but the way it is written there is no solution. If you have a rose, a daisy, and a tulip then all but two is a rose (not roses), all but two is a daisy (not daisies), and all but two is a tulip (not tulips). But if it was written this way the answer is obvious. The entire bouquet is flowers. So the answer is they are all flowers. This is one of the oldest riddles in the book. The questioner distracts the answerer by providing frivolous information - the number of roses, tulips and so on. Most answerers will try to give a literal answer to what they perceive as a literal "how many" question. When in fact, the questioner is asking how many of whatever number of stems in the bouquet are flowers and all of them are. I would go with luke..... 3, but I hate wording that is designed to mislead. I think that reflects poorly on the company. Show More Responses two buttercups :) Considering that n is the total number of flowers we have: n - 2 = t (the number of tulips) n - 2 = d (the number of daisies) n - 2 = r ( the number of roses) The question is: are there only roses, daisies and tulips in the bouquet ? If yes we also have a fourth equation: r + d + t = n In this case we add the three equations above and we get 3n -6 = n (because n = r + d + t) 2n = 6 n = 3 If there are more than daisies, tulips and roses in the bouquet we have a system of three equations with four unknowns so the solution space is infinite. All! @rumberobueno your math is great here, but it is NOT possible to have the 4th kind of flowers because it says: a) all but 2 are roses - in this case we can have at most 3 kind of flowers the same for the other cases, in conclusion we have only 3 kind of flowers and from your math we can say we have 1 of each kind. There is a definate mathematical approach to this question as was stated earlier but you can not add excess flowers. Look at it simplified: If R=roses, T=tulips, D=daisies and X = # in bouquet; where R, T, D, and X are whole numbers greater than 0 and assuming that there are said flowers in the bouquet. then R+2=X, T+2=X, D+2=X then R+2=T+2=D+2 therefore R=T=D, R+T+D=X, R+T=2; T+D=2, D+R=2 T=2-R and D=2-R therfore R must be less than 2 but greater than 0, then R=1 therefore T=1 and D=1 R+T+D=X X=3, If there are none of said flowers in bouquet then total number is 2. There is no other answer available with the question worded this way. Enough to make me sneeze. It's not clever to say "All of them." It's asinine. I get that there's math, but if you just take the actual question, "How many flowers do you have?" and you respond with "All of them" it shows a distinct inability to answer a question logically. Do you really have ALL of the flowers? Or are you simply confused as to the definition of the word "all"? It's like the old riddle my witty uncle used to aske me every time we passed a graveyard. " How many dead people are in there?" Answer: "All of them" I agree with Brian. This is a distraction for the one questioned. When we are a little anxious we tend to over think things. Just my opinion I agree that the correct answer is all of them are flowers. So many firms using questions like this have little to no clue as to why they are asking these and do little to elicit the kind of information about the candidate's fit with the job that an interview process should be gaining. If the job requires highly analytical skills than get some proven tests rather than interviewers putting interviewees off guard with silly questions that are not relevant to the job at hand. If you want to work for Brain Teasers, that would be a good question to pose along with many others. Why people don't want candidates to be at ease in a job interview astounds me as that is when you will get the best information out of them astounds me. Let n be the total number of flowers. When the problem says that all but two of the flowers are of one kind, it means there are n−2 flowers of that kind. Therefore, n−2 of them are roses, n−2 of them are tulips and n−2 of them are daisies. Assuming that this exhausts the list of flowers, we can write n−2+n−2+n−2=n which gives n=3 Show More Responses 3. 3. I have a bouquet of flowers. It was not quanitfied and I was not asked to quantify. A Bouquet is what I have a bouquet is 12, if 2 are roses, 2 are tulips, and 2 are daisies, then you have 6 flowers. So your bouquet has 6 flowers, 2 tulips, 2 roses, and 2 daisies. There is no boundary - infinite. it states you have a bouquet it does not give a max, just a min. 2 flowers. The question specifically states that all but two are roses, daisies, and tulips. Since it uses the plural form of each flower, obviously "one rose, one daisy, one tulip" is not the answer they are looking for. However, "zero roses, zero daisies, and zero tulips" would fit both the mathematical and grammatical constraints. P..S. I'm guessing that the 2 flowers are lilies. I like lilies. As has been observed, there are two possible answers: either 3 flowers (one rose, one tulip, and one daisy) or 2 flowers (none of which is a rose, daisy or tulip). The statement that the "mystery flower" solution is unsolvable is not quite correct, however. It simply requires a graphical approach, which I will try to describe. Let's define 5 variables: n = total number of flowers r = number of roses t = number of tulips d = number of daisies x = number of flowers which are neither roses, tulips or daisies (mystery flowers) Now let's represent the information given in equation form: n - 2 = r n - 2 = t n - 2 = d And I'll add an equation which proceeds logically from my definition of x: n = r + t + d + x Substituting, I get: (r + t + d + x) - 2 = r (r + t + d + x) - 2 = d (r + t + d + x) - 2 = t Adding and simplifying, I get: 2(r + d + t) + 3x = 6 Hmm. Seems like a lot of variables, and not nearly enough equations.... But wait... r, t and d are all equal to the same thing...which means they must all be equal to each other. So we can rewrite that last equation as: 6r + 3x = 6...or: 2r = -x +2 This is simply the equation of a line. Unfortunately, it has infinitely many solutions. However, I am going to place some constraints on the solution set: r => 0 x => 0 r is an integer x is an integer. I don't think there is a way to represent these constraints algebraically. But if I graph the line 2r = -x +2, it becomes clear that there are only two nonnegative integer solutions - either r = 1 and x = 0 (which means, since we decided that r = t = d, that I have three flowers - one rose, one tulip and one daisy OR r = 0 and x = 2 (which means, since we decided that r = t = d, that I have 2 flowers - zero roses, zero tulips, and zero daisies, plus two mystery flowers). 3 X - 2 = roses; x = 2 X - 2 = daisies; x = 2 X - 2 = tulips; x = 2 Total: X = 6 |

How many minutes before 5pm is it if 30 mins ago it was four times as many minutes after 3pm? 11 Answers18 66 Could someone show their math on this please - I had trouble on this question. Show More Responses The correct answer is 24. 120 minutes between 3 & 5; 120 divided by 5 =24. 5pm less 24 minutes = 4:36pm 3pm plus 4 times 24 minutes (96 minutes) = 4:36pm You're forgetting the part where it says: "30 mins ago." It's not four times as many minutes since 3. 18 18 18 mins before 5 = 4:42. 30 before 4:42 puts the time at 4:12. There are 72 minutes between 3 and 4:42 divided by 4 is 18. So the answer is 18 mins before 5pm. That last explanation seems like you need to know the answer before you even start trying to solve. My solution is as follows: 30 minutes before 5 is 4:30 leaving 90 minutes between 3 and then. The remaining time needs to be split into an interval so that x4 exists. The most logical interval would be in 5ths because the 4 proceeding intervals would be 4x greater then the following. 90/5=18 for each interval. 18 being four times less then 72 minutes proceeding it. This literally look me about a minute and a half to reason through, which I'm assuming the interviewer would not want to sit through. Guess I would fail. The answer is 18 minutes. It made sense to me to sketch a timeline showing the 3 components of time given in the problem that add up to the 120 minute total span. (X = minutes before 5pm, 30 min gap, and 4X is time between 3pm and the start of the 30 min gap.) Visually and chronologically it would look something like: 3pm --> 4X --> 30 min --> X --> 5pm. So then algebraically, the equation is 4X + 30 min + X = 120 min. Therefore 5X = 90 or X = 18. 120 - x - 30 = 4 * x |

An apple costs 40 cents, a banana costs 60 cents, and grapefruit costs 80 cents. Under the same circumstances, how much does a pear cost? 8 Answers20 cents because it's 10 cents per vowel I would ask the interviewer to rank his fruit in order of what his favorite was. If a pear was his favorite I would charge 20% price increase on the grapefruit, which would put the pear at 96 cents. If he is willing to pay for grapefruit at 80 cents but he would rather have a pear, he would most likely be happy to purchase the pear at a margin increase. Pricing depends on the who, why, and where of sell/buying the product. "Under the same circumstances” can be taken creatively or mathematically depending on how you look at the circumstances. There is no right or wrong answer, it a question to see how your mind works when asked to solve a problem. I base the circumstances on the environment, the people and problem on hand. So I would want to understand more about why he wanted to know how much a pear cost, whether he was hungry, if it was for him, ect… and then appropriately price the pear based on the demand of the individual the environment and the situation. Hey Blake - while that answer is very creative, this particular question was given during a 12-question-3-minute math test. I'd say that you might have a hard time writing all of your economics answer down in three minutes. Nice answer, though! Show More Responses 40 cents to match the apple in size and texture 40 cents. It's 20 cents per vowel, and pear has two vowels. 40 cents. 20 cents for each cents. 40 cents... it's 20 cents per vowel, not 10. Apple, banana, grapefruit is an alphabetical sequence. Pear falls after grapefruit in the alphabet so it would cost a dollar. |

In pseudocode, write a function that takes in an arbitrary string of lowercase letters and an integer n of 0 or more. Return the number of times the character 'a' appears in the string, reading in n characters from the string, in order. If n is greater than the length of the string, loop back to the beginning of the string upon reaching the end. 4 AnswersIterating over the characters in the string, and counting the number of times a character appears. The index into the string was determined with mod n. taking in characters 'n' at a time is kind of irrelevant in the beginning it just shows you how many you need to take from the beginning of the string once you've gone through the entire thing. So make a variable like int redo = myString.length % n; Go through looking for the character 'a' and incrament a counter. Afterward, iterate through again from beginning until less than redo and return. Can't we do this? aCount(S : str, n : int): i=0 count=0 while(i Show More Responses Can't we do this?,,,, i,count=0,0 while(i |

Given a 3x3 grid arrange the integers 1-9 such that each row, column, and 3 element diagonal, sums to 15. 4 AnswersReally easy. You should immediately realize that 9,8, and 7 have to go on the diagonal. never mind, diagonal also had to add to 15 lol Start off by ensuring that no two numbers of 9,8, and 7 share a row, column, or diagonal. After that, it is easy. Show More Responses Always start with placing 5 in the center; even number in the each corner; and odd number in the remaining box |

There are three buckets, one with apples, one with oranges, and one with a mixture of both. They are all labeled wrong. You can pick one piece of fruit from one bucket, what would you pick to determine what is in all three buckets? 4 AnswersThere is no way to determine the answer, just by picking one fruit alone. First, I'd pay attention to the 2 buckets that give off an orange smell. Then, I'd dive my hand into the bucket, taking care to feel what's around my hand. Picking up the fruit doesn't really matter; it's whether the bucket you picked just has oranges or not. The question should state that the label always lie. If the label says "Apple Only" it could be "Mixture" or "Orange only" So the one labeled "Mixture" is either "Apple Only" or "Orange Only". So you choose Mixture and what ever fruit you get is the label that is correct. Then switch the other two. All of the answers are close but not entirely correct. Any box is labeled incorrectly. Choose the mixture box. If you pick out an orange, it is necessarily an orange only box. The other two must only be the mixture or apples only. The mislabeld apples only box must be the mixture because it is mislabeled and there are only 2 other choices left. The last box is the mixture. This is the order in which you must think, although the particular fruit you pick up first could be either apple or orange. Show More Responses I posted the question, sorry, I should have answered it. You pick a piece from the basket labeled "mixed." This is because you know it is labeled wrong (every basket is). So, if you pull out an orange you know that the basket holds only oranges. Now you have one basket figured out, and you know the remaining two are also mislabeled, so you switch their labels and you're done. |

Drawer contains socks. If I randomly pull 2, what is the probability that I will get a matching pair? 3 Answers200% ( my drawer) You have to know how many different: (styles,colors,sizes )and total for a correct answer. I roll mine together (matching).So one pair each time from my drawer. The answer to this question is a tad nuanced, and that's likely the reason why they're asking it. You'll want to ask if every sock has 1 (and only 1) mate, which is a reasonable assumption. If they say that's a fair assumption to make then the answer is 1/(2n -1) where n is the number of pairs of socks in the drawer. The reasoning here is that given these assumptions, the first sock you pick will not matter. The second sock just has to match the first, and at this point there is 1 match in the drawer, and 2n - 1 socks left in the drawer. Of course, if they say this is not a reasonable assumption, and provide you with more information on the contents of the drawer (e.g. there are 3 socks without a match, and also a set of three pairs of interchangeable socks, and 3 'normal' pairs) then the question will change considerably, and you'll have to demonstrate a knowledge of probabilities to answer the question properly. |

You have a 5 gal and 3 gal bucket. How do you measure out 4 gallons of water exactly without using anything else, and the buckets cannot be partially filled as a measure? 3 AnswersWatch Die Hard 3 Use the 5g bucket and fill it up. Pour it into the 3g bucket until it is completely full, which will result in 2g left in the 5g bucket. Pour that into a container and repeat to get another 2g of water which can be added to the previous 2g to get 4g. Assuming you don't have a third container... fill 5 gal bucket, pour it into 3 gal leaving 2 gals in larger bucket. Empty three gal bucket and then pour the remaining 2 gal from large bucket into the 3 gal bucket. Refill 5 gal bucket and then use it to fill 3 gal bucket, leaving 4 gals in the larger bucket. |

What is your five year plan? Why do you want to work for Epic? What are five words that describe you? ' a man has three bananas, five blueberries, and two carrots. how many apples does he have? 3 AnswersThe answer is two, because apples has two vowels in it. The number corresponds with the vowels Assuming the question provides all of the relevant information, the answer is "zero". Though because the question does not provide any directly relevant information, besides a pattern within the wording, the answer will definitely not be zero. |

How would you describe the object oriented programming concept of inheritance to someone with no coding experience? 2 AnswersA serious answer is: Playstation 2 inherited from Playstation 1. That means Playstation 2 can do everything that Playstation 1 does and it can do something more than that. Something less serious is: When grandma died, I inherited all her stuff. When I die, my kid will inherit all my bills. That's inheritence. Use a concept of vehicle. |

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