McKinsey & Company Interview Questions, Process, and Tips

Q1. Explain a situation where you have handled critical challenge in terms of team conflict. And how did you resolve it.
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Q2. Tell me about a situation where you have demonstrated leadership capability and handled diverse team
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Q3. Tell me about a situation where you have to act out of the box to motivate team or individual to achieve a target.
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Q4. The interview was not question answer based rather discussion oriented focused on experience
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Q5. The interviewers were also looking for my understanding and plan for their existing problems, as the role was of a strategy manager
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This aptitude + technical MCQ test was of 120 minutes in duration. Had MCQs on quantitative ability, logical ability, Language, and technical MCQs consisted of questions on DBMS, OS, Networks, DSA. There were two coding questions as well. One on Bit Manipulating, and the other on DFS.

Q1. A question on BFS very similar to Leetcode 924. Was given one hour to discuss and come to an optimized solution with the interviewer.
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Q1. Search an element in a sorted and rotated array
Ans. 
Search an element in a sorted and rotated array
• Find the pivot point where the array is rotated

• Divide the array into two sub-arrays based on pivot point

• Perform binary search on the appropriate sub-array
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Q2. SQL query on left join
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Q3. Questions on CPP memory management
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Q4. Questions related to projects done
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Q1. Propose a system for a popular media stream service
Ans. 
Proposed system for a popular media stream service
• Implement a recommendation engine to suggest content based on user preferences and viewing history

• Integrate with social media platforms to allow users to share and discuss content

• Provide multiple subscription options with varying levels of access and features

• Ensure high-quality streaming with minimal buffering through the use of content delivery networks

• Implement robust...read more
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Q2. Questions related to Fullstack Tech Stacks
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Guesstimate on number of Reddit users in India. No starting input was given. Gave solution by using bottom to top approach. Tried to focus on quantifying teenagers with internet access and a particular interest about internet. Gave a figure around ~1 million in a year.

Q1. Where do you see yourself at McKinsey?
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Aptitude - verbal, quant, reasoning

Q1. Walk me through balance sheet
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Q1. Tell me about a time you had to deal with multiple stakeholders
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Q1. How do you feel, what is your take on the session McKinsey organized?
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How can a paints company expand: company operates in 3 segments Mass, Middle, Premium? Should the company expand in mass?
I covered the growth framework wherein I suggested that we could increase current product, expand the market, develop new product, diversify through forward and backward integration.

I did lot of data crunching in the middle.

I finally concluded that company should not expand in mass as it is dominated by niche players, and they have strong distribution channels. It would be difficult to compete with and would hamper the brand image of the company.