Premium Employer

i

This company page is being actively managed by McKinsey & Company Team. If you also belong to the team, you can get access from here

McKinsey & Company Verified Tick

Compare button icon Compare button icon Compare

Filter interviews by

McKinsey & Company Data Science Intern Interview Questions and Answers

Updated 7 Feb 2022

McKinsey & Company Data Science Intern Interview Experiences

1 interview found

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
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

What people are saying about McKinsey & Company

View All
whistlingpanini
Verified Icon
18h (edited)
works at
PwC
Interview for role of finance accountant - Risk and compliance - Need Advice
Got a question about McKinsey & Company?
Ask anonymously on communities.

Interview questions from similar companies

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.

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?
  • 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

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

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

Interview Preparation Tips

Interview preparation tips for other job seekers - Communication

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,

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

Interview Questionnaire 

3 Questions

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

Associate Interview Questions & Answers

TCS user image Anonymous

posted on 17 Nov 2019

Interview Questionnaire 

7 Questions

  • Q1. 1. Tell me little about yourself
  • Q2. 2. What is your job role? (Very important question that will be asked many times during different phases of the interview)
  • 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
  • Q4. Where do you see yourself and your family in the next 3 years?
  • 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
  • Q6. What was the biggest challenge you faced in life and how you coped with it?
  • Q7. What is your biggest accomplishment?

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
  • 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
  • Q3. U r carrier objections
  • Q4. About TCS
  • 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

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

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
  • Q2. Asks about your qualifications and backlogs if any.

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

Interview Preparation Tips

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

Tell us how to improve this page.

Join McKinsey & Company We accelerate sustainable and inclusive growth.

Interview Questions from Similar Companies

TCS Interview Questions
3.7
 • 10.4k Interviews
Accenture Interview Questions
3.8
 • 8.1k Interviews
Capgemini Interview Questions
3.7
 • 4.7k Interviews
Deloitte Interview Questions
3.8
 • 2.8k Interviews
IBM Interview Questions
4.0
 • 2.3k Interviews
PwC Interview Questions
3.4
 • 1.4k Interviews
Ernst & Young Interview Questions
3.4
 • 1.1k Interviews
KPMG India Interview Questions
3.5
 • 787 Interviews
ZS Interview Questions
3.4
 • 449 Interviews
BCG Interview Questions
3.7
 • 196 Interviews
View all

McKinsey & Company Data Science Intern Reviews and Ratings

based on 1 review

5.0/5

Rating in categories

5.0

Skill development

3.0

Work-life balance

3.0

Salary

5.0

Job security

4.0

Company culture

5.0

Promotions

4.0

Work satisfaction

Explore 1 Review and Rating
Business Presentation Specialist
558 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Analyst
237 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Associate
228 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Senior Business Presentation Specialist
190 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Senior Analyst
187 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Explore more salaries
Compare McKinsey & Company with

BCG

3.7
Compare

Bain & Company

3.8
Compare

Deloitte

3.8
Compare

PwC

3.4
Compare
Did you find this page helpful?
Yes No
write
Share an Interview