McKinsey & Company Interview Questions, Process, and Tips

Q1. What drives you?
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Q2. What are your greatest strengths
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Q1. Pitch for 30 seconds as to why you are good at teamwork/drive/leadership.
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Paint manufacturer has 12% market share and wants to achieve 20% market share over next 5 years. M&A is not an option. Help the client.
[Please note that I stands for Interviewer and C stands for Candidate]

C: What kind of paints does the company manufacture?

I: Paints that go on walls.

C: Is it an established company? Can I imagine something like Asian Paints?

I: Yes, it is an established player. Asian Paints is a good comparable.

C: What are the different products/SKUs that the company offers?

I: There are a lot of variants in the premium, mid, and economy segments.

C: Who are the customers of these products? Are they based in India?

I: Yes, all our customers are based in India. 80% of the supply is to people like you and me and 20% is B2B.

C: What is the competition landscape like?

I: There are a lot of competitors, it is a fragmented market.

C: What is the objective of increasing the market share?

I: The company has hired a new CEO; he is working on growth of the company.

C: Okay, since the company wants to increase the market share to 20% in next 5 years, it should try to grow either organically or inorganically. For organic growth, it may enter new markets or launch new products for the existing ones. For inorganic growth since M&A is out of option, we can look for joint ventures with other players to build a brand in new markets or we can have franchises and retain the control.

I: Let us just focus on organic growth for now. There is not much scope to increase the portfolio of products that the company has. But we have seen that most of the sales come from premium products followed by mid category and we do not have any market share in the economy class products. We have two proposals. First is to increase premium sales as much as possible, focus a lot more on mid and mostly stay away from economy. Second is to enter the economy segment while retaining or increasing shares in the other two segments. Why don’t you run some calculations to see which one would be better?

(Gave numbers for market demand across all segments and market share of the company in each segment. Discussed the numbers with before reaching a solution.)

C: On the basis of these numbers, second option will be better. Since the company will enter a new segment it will be beneficial for the long-term growth as well.

I: But what do you think about the first option? What if the company does not have the necessary resources to delve into economy category paint production? The company’s USP is premium products and as such does not have a customer base for economy class products.

C: We can a take a look at all the aspects right from the customer segmentation, geographical areas, positioning of the product for each of these product categories to see where the efforts need to be directed.

I: What all basic metrics would you cover? Product category is one, pricing is another; what else?

C: Marketing and sales & distribution could be other areas of concern.

I: That is correct. Distribution could be an issue. Try to compare our distribution channel with that of other major players and suggest what changes can be made.

(Gave category-wise distribution for different players and number of shops in which they sell products and asked to decide if we should distribute more products in existing shops or increase the number of shops.)

C: (Based on numbers, provided pros and cons for each option and after discussing concluded that more products should be distributed using existing network.)

Q1. As you know, McKinsey is increasingly focusing on inclusivity. Can you narrate an incident from your life where you, as a woman, had to deal with multiple stakeholders from different cultural backgrounds? ...read more
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The client is a large two-wheeler manufacturer in India. The growth for the last 3 years has been flat, ~0-1%, while the market has been growing at 5%. How can they grow at a rate faster than the market growth rate?
[Please note that I stands for Interviewer and C stands for Candidate]

C: Just to reiterate the problem statement, our client is a large two-wheeler manufacturer growing at ~0-1%. The client wants to grow at a rate greater than the market growth rate which is 5%. So, I have to devise a growth strategy for the client. Is that correct?

I: Yes, sounds good.

C: I would like to begin with understanding the problem statement further. Could you tell me about any other geographies that the client caters to, what the value chain coverage looks like and the number and location of plants that the client has?

I: The client operates only in India and has 4 plants across the nation. They manufacture as well as sell the two-wheelers.

C: Thank you. Next, I would like to know about the revenue streams. Is the sale of two wheelers the only source of revenue? Are there different types of two-wheelers?

I: Yes, there are 3 types of two wheelers - scooters, motorcycles with less than 125 cc engine and motorcycles with greater than 125 cc engine.

C: Great, could you help me with the market growth rate of these separate segments? I would also like to know the revenue split of the client.

I: Scooter sales are growing at 28%, <125cc motorcycle growth is negligible and >125cc motorcycle growth rate is 10%. For the client, the revenue split is 25%, 70% and 5%, respectively.

C: Interesting! This is definitely an aspect we should look at while devising the growth strategy. Before that, I would like to understand the distribution channels and the level of market fragmentation.

I: The client has a large dealership channel of 1500 dealers and the market is consolidated. The client is the market leader with 3 other players having similar market share.

C: Thank you. There are 3 broad strategies we can consider here. First, I would like to focus on the existing market and offerings, and the possibility of changing the product mix and promotion tactics. Next, we can look at entering new geographies within and outside India. Lastly, we can diversify and introduce new products altogether.

I: Let us start with the first. Can you elaborate what you mean by the product mix?

C: Maximum revenue for the client comes from motorcycles with <125cc engine, for which the market growth is negligible. I would therefore suggest promoting the existing stock of products aggressively and changing the product mix to push the sales of scooters since that segment is growing at the highest rate of 28%.

I: How would you suggest promoting the sales? (Here I focused on the customer touch-point approach to suggest methods for both scooters and piled up stock, and emphasized the importance of dealership experience and incentives.)

C: Good. Let us say we come up with a new scooter for women. Can you suggest ways to leverage digital and analytics to improve the customer experience at a dealership store? I laid down the customer journey to suggest methods to digitize in-store as well as test drive experience and leverage the data collected to enhance products and services.

There were 2 DSA questions that we had to solve on HackerRank. One of them was a medium dynamic programming question - minimum insertions required to make a string palindrome. The other was a fairly easy question that required knowledge of permutations and combinations. We just had to figure out a maths formula given the situation.
1st round also involved a logical game that we had to play. We were scored based on coding + game and shortlisted for next round.

An interviewer joined me on zoom meet and sent a HackerRank link to a question. It was a medium dynamic programming/backtracking question. I solved it but only half the test cases ran while others threw TLE as my recursive code took exponential time.

Q1. Explain what happens after you search a url on your browser. (Had to explain the whole DNS working)
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Q2. Explain how video calling works. (Had to explain the whole OSI model)
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Q3. Asked possible causes of ClassNotFoundException and MemoryOutOfBoundException
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Q4. Asked 2 or 3 case study questions like designing a car infotainment system.
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Q5. Asked about the usefulness of OOPS.
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Q6. Asked how Java code compiles/runs(had to explain about creation of class file, JVM etc)
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Q7. Asked about working of https.
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Q1. Explain few challenges that you faced during a project/internship.
Ans. 
During my internship, I faced challenges related to communication, time management, and technical skills.
• Communication challenges: Difficulty in effectively conveying ideas and understanding instructions.

• Time management challenges: Struggling to prioritize tasks and meet deadlines.

• Technical skills challenges: Learning new technologies and troubleshooting issues.

• Example for communication challenge: Working in a team whe...read more
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Q2. Where do you see yourself in 5 years?
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In 5 years, I see myself as a Senior Engineer, leading a team and working on complex projects.
• I envision myself taking on more responsibilities and leading a team of engineers.

• I hope to have gained expertise in my field and be recognized as a subject matter expert.

• I aim to work on challenging projects that require problem-solving and innovation.

• I plan to continue learning and staying updated with the latest technologie...read more
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Q3. Explain a project that you did
Ans. 
Developed a mobile app for tracking daily water intake
• Used React Native framework for cross-platform development

• Implemented a user-friendly interface with intuitive design

• Integrated a database to store and retrieve user data

• Implemented push notifications to remind users to drink water

• Conducted testing and debugging to ensure app functionality
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Q4. Tell me about a conflict that you may have faced during a project/internship
Ans. 
During my internship, I faced a conflict regarding the allocation of resources for a project.
• Conflict arose when team members disagreed on the distribution of resources.

• I suggested a fair and balanced approach to allocate resources based on individual strengths and project requirements.

• We held a team meeting to discuss and resolve the conflict.

• Through open communication and compromise, we reached a consensus on resourc...read more
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