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McKinsey & Company Data Science Intern Interview Questions and Answers

Updated 7 Feb 2022

McKinsey & Company Data Science Intern Interview Experiences

1 interview found

Data Science Intern Interview Questions & Answers

user image Anonymous

posted on 7 Feb 2022

I was interviewed before Feb 2021.

Round 1 - Coding Test 

Round duration - 90 Minutes
Round difficulty - Medium

The test is divided into 3 sections:
1. R coding.
2. Python coding. This section includes NumPy and scikit questions.
3. Statistics. This section includes T-tests, Anova regression distributions, and chi-square.
Each section has roughly 12 questions. The number of questions and difficulty is not set in advance, the test is adaptive. The more correct answers you give, the more the questions get tougher. The qualification does not depend upon the number of questions solved, rather on the difficulty level you can achive.

Round 2 - Face to Face 

(1 Question)

Round duration - 60 Minutes
Round difficulty - Hard

  • Q1. 

    Rotate Matrix by 90 Degrees Problem Statement

    Given a square matrix 'MATRIX' of non-negative integers, rotate the matrix by 90 degrees in an anti-clockwise direction using only constant extra space.

    Inpu...

  • Ans. 

    The task is to rotate a square matrix by 90 degrees in an anti-clockwise direction using constant extra space.

    • Iterate through each layer of the matrix from outer to inner

    • For each layer, perform a four-way swap of elements

    • Continue this process until all layers have been rotated

    • Answered by AI
    Add your answer
Round 3 - HR 

Round duration - 30 Minutes
Round difficulty - Medium

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from Sharda University. Eligibility criteriaDegree in economics, mathematics, statistics, physics, or a related field. Final and Pre-Final Year eligible, Above 8 CGPAMcKinsey & Company interview preparation:Topics to prepare for the interview - Python, R, Statistics, Numpy, Pandas, Scikit-Learn, Regression, Clustering, Classification, Supervised & Unsupervised LearningTime required to prepare for the interview - 3 monthsInterview preparation tips for other job seekers

Tip 1 : Have in-depth knowledge of data-frame manipulation using Pandas
Tip 2 : Learn all NumPy array methods 
Tip 3 : Good working knowledge about Scikit Learn

Application resume tips for other job seekers

Tip 1 : Have 2-3 good projects on Machine Learning or Data Science preferably in Python.
Tip 2 : List only those skills which you are good at.

Final outcome of the interviewRejected

Skills evaluated in this interview

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Associate Interview Questions & Answers

TCS user image Anonymous

posted on 12 Oct 2020

I applied via Referral and was interviewed before Oct 2019. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Basic communication check, any thing about your self.
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - If you are bcom/ba/bsc stream then basic communication skills and for Accounts/commerce related must have Academics knowledge. Same for bsc/ba Aacdemigs knowledge.
Excel/ Microsoft office knowledge any computer laungage extra advantage.

Associate Interview Questions & Answers

TCS user image Anonymous

posted on 10 Aug 2021

I applied via Campus Placement and was interviewed before Aug 2020. There were 4 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. What is your project?
    • Add your answer
  • Q2. What is the Latest embedded systems?
  • Ans. 

    The latest embedded systems are focused on IoT, AI, and machine learning.

    • Embedded systems are becoming more connected to the internet of things (IoT)

    • AI and machine learning are being integrated into embedded systems for improved performance

    • Low-power consumption and high-performance processors are being developed for embedded systems

    • Examples include Amazon Echo, Nest Thermostat, and Fitbit

    • Answered by AI
    Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Be bold and review your full resume.. All the questions were asked in your resume only..

Skills evaluated in this interview

Associate Interview Questions & Answers

TCS user image Anonymous

posted on 2 May 2021

I was interviewed before May 2020.

Interview Questionnaire 

1 Question

  • Q1. Tell about urslf
  • Ans. 

    I am a highly motivated individual with a passion for learning and a strong work ethic.

    • I have a Bachelor's degree in Computer Science from XYZ University.

    • I have completed several internships in software development, including one at ABC Company where I worked on a team to develop a mobile app.

    • I am proficient in several programming languages, including Java, Python, and C++.

    • I am a quick learner and enjoy taking on new c...

    • Answered by AI
    Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Communication

Intern Interview Questions & Answers

TCS user image

posted on 10 May 2021

I applied via Campus Placement and was interviewed in Nov 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. OOP concepts, Networking basics,
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Its easy to pass the interview for fresher, you need to have good aptitude skills

Data Analyst Interview Questions & Answers

TCS user image Anonymous

posted on 15 Feb 2020

Interview Questionnaire 

3 Questions

  • Q1. About my self and my experience.
    • Add your answer
  • Q2. What's the reason for leaving previous job?
    • Add your answer
  • Q3. Technical question depends on process.
    • Add your answer

Associate Interview Questions & Answers

TCS user image Anonymous

posted on 17 Nov 2019

Interview Questionnaire 

7 Questions

  • Q1. 1. Tell me little about yourself
    • Add your answer
  • Q2. 2. What is your job role? (Very important question that will be asked many times during different phases of the interview)
    • Add your answer
  • Q3. What additional training/ job role(multiple roles)/ experince have you had in this field?
  • Ans. 

    I have completed additional training in project management and have experience in multiple roles within the field.

    • Completed a project management certification course

    • Served as a project coordinator for a major client project

    • Managed a team of junior associates in a previous role

    • Answered by AI
    Add your answer
  • Q4. Where do you see yourself and your family in the next 3 years?
    • Add your answer
  • Q5. Tell me what part of your job do you like best/ An interesting day at your office?
  • Ans. 

    I enjoy the problem-solving aspect of my job the most. An interesting day at the office involves collaborating with colleagues to find creative solutions.

    • Collaborating with colleagues to brainstorm solutions

    • Using critical thinking skills to analyze complex problems

    • Implementing innovative solutions to improve processes

    • Celebrating successful outcomes with team members

    • Answered by AI
    Add your answer
  • Q6. What was the biggest challenge you faced in life and how you coped with it?
    • Add your answer
  • Q7. What is your biggest accomplishment?
    • Add your answer

Associate Interview Questions & Answers

TCS user image Anonymous

posted on 4 May 2019

I applied via Approached by Company and was interviewed before May 2018. There were 6 interview rounds.

Interview Questionnaire 

5 Questions

  • Q1. This is face to face interview... They are observing our behaviour... Attitude... Etc
    • Add your answer
  • Q2. Introduce u r self....
  • Ans. 

    I am a dedicated and hardworking individual with a passion for learning and growth.

    • I have a Bachelor's degree in Business Administration from XYZ University.

    • I have 3 years of experience working in marketing and sales roles.

    • I am proficient in Microsoft Office Suite and have strong communication skills.

    • I am a team player and enjoy collaborating with others to achieve common goals.

    • Answered by AI
    Add your answer
  • Q3. U r carrier objections
    • Add your answer
  • Q4. About TCS
    • Add your answer
  • Q5. Why should u select TCS
  • Ans. 

    TCS is a global leader in IT services with a strong reputation for innovation and client satisfaction.

    • TCS has a proven track record of delivering high-quality services to clients worldwide.

    • TCS offers a wide range of opportunities for career growth and development.

    • TCS values diversity and inclusion, creating a supportive work environment for employees.

    • TCS invests in cutting-edge technologies and training programs to kee

    • Answered by AI
    Add your answer

Interview Preparation Tips

Round: Group Discussion
Experience: Any kind of topic u cn select... Sales, accounts, service

Round: Test
Experience: Aptitude test... Mathematic and problem solving... General knowledge is very important

Round: Telephonic
Experience: This is final round... BH directly interact with us...

General Tips: Be confident... Be clam.... Keep smiling face... That is the way to win
Skills: Communication, Body Language, Leadership, Presentation Skills, Time Management
Duration: <1 week

Associate Interview Questions & Answers

Capgemini user image Anonymous

posted on 27 Sep 2022

I was interviewed before Sep 2021.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Aptitude Test 

It was a Normal test. Basic IQ is required

Round 3 - HR 

(2 Questions)

  • Q1. Checks about your location and discussed the salary
    • Add your answer
  • Q2. Asks about your qualifications and backlogs if any.
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Best of luck. May you do well. All the best. I will you all the best for all the future interviews

Intern Interview Questions & Answers

TCS user image Anonymous

posted on 2 Jun 2022

I applied via Newspaper Ad and was interviewed before Jun 2021. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - HR 

(1 Question)

  • Q1. Please Give introduction
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Good luck with your interview. You need it
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