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Contemporary Amperex Technology Data Science Intern Interview Questions and Answers

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Interview experience
4
 Good
Difficulty level
 Moderate
Duration
 Less than 2 weeks
Result
Selected  Selected

I was interviewed in Mar 2024.

4 Interview Rounds

1

Coding Test Round

45 mins 15 min mcq data science and 30 mins 1 dsa problem

2

Technical Round (5 Questions)

  • Q1. Python - All subsets of a list.
  • Q2. Sql query - Customers who have ordered all products from all categories.
  • Q3. Importance of feature engineering.
  • Q4. Questions on project.
  • Q5. What is GAN.Have you worked with it.
3

Technical Round (7 Questions)

  • Q1. Discussion on project.Demo of project.
  • Q2. Analysis sql query - whether class 11 marks or class 12 marks is greater., table given which contains student name,class,11th marks,12th marks.
  • Q3. Similar table. Find students who scored more than avg marks of both 11th and 12th.
  • Q4. What is Cost function.
  • Q5. What is entropy.
  • Q6. What is ginni coefficient.
  • Q7. What will happen if linear regression is used for classification
4

One-on-one Round (2 Questions)

  • Q1. Pair sum problem in python.Discussion on space time complexity.
  • Q2. Discussion on project.What algorithms used and why.

Skills evaluated in this interview

Interview experience
4
 Good
Difficulty level
 Hard
Duration
 Less than 2 weeks
Result
 Not Selected

I applied via LinkedIn and was interviewed in Feb 2023.

2 Interview Rounds

1

Resume Shortlist Round

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
2

Data Science Round (3 Questions)

  • Q1. Can you work under pressure?
  • Q2. Where do you see yourself after 2/3/4/5 years?
  • Q3. Why should we hire you?

Interview Preparation Tips

Interview preparation tips for other job seekers - We are pleased to inform you that you have been selected for an interview for the position of [Job Title] at [Company Name]. Our team was impressed with your qualifications and experience, and we believe that you would be a great fit for the role.

The interview will take place on [Date] at [Time] at our office located at [Address]. Please plan to arrive 10-15 minutes before the scheduled interview time to allow for check-in and any necessary paperwork.

During the interview, you will have the opportunity to meet with members of our team and learn more about the position and the company. You will also have the chance to ask any questions you may have about the role or the organization.

Please confirm your availability for the interview by replying to this email or by contacting us at [Contact Information]. If you need to reschedule, please let us know as soon as possible so that we can make the necessary arrangements.
Interview experience
3
 Average
Difficulty level
 Moderate
Duration
 2-4 weeks
Result
 No response

I applied via LinkedIn and was interviewed in Apr 2024.

1 Interview Round

1

Technical Round (4 Questions)

  • Q1. What is the difference between linear and classification?
  • Q2. Explain example of outlier
  • Q3. Explain k mean algorithm
  • Q4. Explain the metrics for classification

Skills evaluated in this interview

Interview experience
3
 Average
Difficulty level
 Moderate
Duration
 2-4 weeks
Result
 Not Selected

I applied via Job Fair and was interviewed in May 2024.

1 Interview Round

1

HR Round (2 Questions)

  • Q1. Introduction your self
  • Q2. What are the language you learned

Interview Preparation Tips

Interview preparation tips for other job seekers - first prepare intruduction and what are languages we learned in academic .

Data Scientist Interview Questions

Volvo user image Anonymous

posted on 10 Dec 2022

Interview experience
4
 Good
Difficulty level
 Moderate
Duration
 4-6 weeks
Result
Selected  Selected

I applied via Approached by Company and was interviewed in Jun 2022.

5 Interview Rounds

1

Resume Shortlist Round

Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
2

Technical Round (2 Questions)

  • Q1. Snowflake related, database warehouse, python dataframes related
  • Q2. Power BI related questions, time intelligence, DAX, PowerBI service
3

One-on-one Round (1 Question)

  • Q1. Manager discussion, expectation setting
4

HR Round (1 Question)

  • Q1. About the company, Compensation expectation, benefits overview, relocation etc.
5

Team fit test Round (1 Question)

  • Q1. Tech stack discussion, project discussion etc.

Interview Preparation Tips

Interview preparation tips for other job seekers - Read more about data engineering, power BI time intelligence etc.
Interview experience
5
 Excellent
Difficulty level
 -
Duration
 -
Result
 -

2 Interview Rounds

1

Technical Round (2 Questions)

  • Q1. Python and sql connections
  • Q2. Expereience and projects
2

Technical Round (1 Question)

  • Q1. Oops concepts and sql questions
Interview experience
4
 Good
Difficulty level
 Easy
Duration
 Less than 2 weeks
Result
Selected  Selected

I applied via campus placement at Symbiosis Centre For Management and HRD (SCMHRD) and was interviewed before Jul 2023.

3 Interview Rounds

1

Group Discussion Round

It was campus placement. We were givien the topic "future of AI and ML in automobile industry". The time given was around 15mins. The explained the process in great detail and very clearly.

2

Technical Round (2 Questions)

  • Q1. CV and basic of ML
  • Q2. What if questions. For eg, if you want to launch a new EV in market then what will be your approach What if you are the CEO.. ETC
3

HR Round (2 Questions)

  • Q1. Ethical questions
  • Q2. Besic HR questions like why this company

Interview Preparation Tips

Topics to prepare for Tata Motors Data Scientist interview:
  • Machine Learning
  • Tata motors history
  • Your CV
Interview preparation tips for other job seekers - My advice is be cool and true to yourself. They tried to grill you and see how you perform under pressure.
Interview experience
1
 Bad
Difficulty level
 Moderate
Duration
 -
Result
 No response

I applied via Job Portal and was interviewed in Jul 2023.

1 Interview Round

1

Technical Round (1 Question)

  • Q1. Previous experience, basic sql

Interview Preparation Tips

Interview preparation tips for other job seekers - The first interviewer seemed more focused on putting fake english accent rather than conducting a meaningful and professional interview.Throughout the session he incessantly blabbered in this fake english accent, which gave me headache. Instead of delving into technical job related inquiries he seemed more interested in discussing personal matters.this left me puzzled as i had prepared extensively for a discussion centered around my professional qualifications.

on the contrary the second interviewer was almost silent throughout entire process, giving off an air of disinterest. it was evident that he could not care less and his lack of engagement made the atmosphere uncomfortable. its disheartening to encounter an interviewers who shows no enthusiasm in accessing a candidates skills.

To add insult to injury at the end of the interview the interviewer with fake english accent commented on my apparent lack of energy, asking if i had not had breakfast. This comment was not only unprofessional but also completely unrelated to the purpose of the interview . it left me questioning the legitimacy of their hiring process and the professionalism of the individuals involved
according to my side i have answered all the questions they asked the interviewer also he said that will be also taking round 2 but guess he was just lying.
the experience has shed light on the toxic environment that may exist in this company because of such individuals. its even disheartening to think about the employees who had to work around these individuals regularly
Interview experience
4
 Good
Difficulty level
 Moderate
Duration
 Less than 2 weeks
Result
Selected  Selected

I was interviewed in Mar 2024.

4 Interview Rounds

1

Coding Test Round

45 mins 15 min mcq data science and 30 mins 1 dsa problem

2

Technical Round (5 Questions)

  • Q1. Python - All subsets of a list.
  • Q2. Sql query - Customers who have ordered all products from all categories.
  • Q3. Importance of feature engineering.
  • Q4. Questions on project.
  • Q5. What is GAN.Have you worked with it.
3

Technical Round (7 Questions)

  • Q1. Discussion on project.Demo of project.
  • Q2. Analysis sql query - whether class 11 marks or class 12 marks is greater., table given which contains student name,class,11th marks,12th marks.
  • Q3. Similar table. Find students who scored more than avg marks of both 11th and 12th.
  • Q4. What is Cost function.
  • Q5. What is entropy.
  • Q6. What is ginni coefficient.
  • Q7. What will happen if linear regression is used for classification
4

One-on-one Round (2 Questions)

  • Q1. Pair sum problem in python.Discussion on space time complexity.
  • Q2. Discussion on project.What algorithms used and why.

Skills evaluated in this interview

Interview experience
4
 Good
Difficulty level
 Hard
Duration
 Less than 2 weeks
Result
 Not Selected

I applied via LinkedIn and was interviewed in Feb 2023.

2 Interview Rounds

1

Resume Shortlist Round

Pro Tip by AmbitionBox:
Properly align and format text in your resume. A recruiter will have to spend more time reading poorly aligned text, leading to high chances of rejection.
View all tips
2

Data Science Round (3 Questions)

  • Q1. Can you work under pressure?
  • Q2. Where do you see yourself after 2/3/4/5 years?
  • Q3. Why should we hire you?

Interview Preparation Tips

Interview preparation tips for other job seekers - We are pleased to inform you that you have been selected for an interview for the position of [Job Title] at [Company Name]. Our team was impressed with your qualifications and experience, and we believe that you would be a great fit for the role.

The interview will take place on [Date] at [Time] at our office located at [Address]. Please plan to arrive 10-15 minutes before the scheduled interview time to allow for check-in and any necessary paperwork.

During the interview, you will have the opportunity to meet with members of our team and learn more about the position and the company. You will also have the chance to ask any questions you may have about the role or the organization.

Please confirm your availability for the interview by replying to this email or by contacting us at [Contact Information]. If you need to reschedule, please let us know as soon as possible so that we can make the necessary arrangements.

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