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Mahindra & Mahindra Data Scientist Interview Questions and Answers
Mahindra & Mahindra Data Scientist Interview Experiences
2 interviews found
Abhijit Kundu
Selected
I applied via Naukri.com and was interviewed before Nov 2023. There were 4 interview rounds.
(2 Questions)
- Q1. Tell me about yourself
- Q2. Questions from projects which was mentioned on resume
(2 Questions)
- Q1. Fitment based questions
- Q2. Explain a project
- Ans.
Developed a machine learning model to predict customer churn for a telecom company.
Collected and cleaned customer data including usage patterns and demographics
Used classification algorithms like Random Forest and Logistic Regression to build the model
Evaluated model performance using metrics like accuracy, precision, and recall
Math, English, reasoning
(1 Question)
- Q1. Asked me about expected salary
jaspreet kaur
Selected
I applied via Naukri.com and was interviewed before Feb 2023. There were 2 interview rounds.
(1 Question)
- Q1. What is difference between lstm and rnn
- Ans.
LSTM is a type of RNN that addresses the vanishing gradient problem by using memory cells.
RNN stands for Recurrent Neural Network, a type of neural network that processes sequential data.
LSTM stands for Long Short-Term Memory, a type of RNN that includes memory cells to retain information over long sequences.
LSTM is designed to overcome the vanishing gradient problem, which occurs when training RNNs on long sequences.
L...
(1 Question)
- Q1. What are different evaluation matrix ?
- Ans.
Evaluation matrices are used to assess the performance of models in data science.
Confusion matrix: used to evaluate the performance of classification models.
Precision, recall, and F1 score: measures for binary classification models.
Mean squared error (MSE): evaluates the performance of regression models.
R-squared: assesses the goodness of fit for regression models.
Area under the ROC curve (AUC-ROC): evaluates the perfo...
Skills evaluated in this interview
Data Scientist Jobs at Mahindra & Mahindra
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Anonymous
I applied via Recruitment Consultant and was interviewed in Jul 2021. There was 1 interview round.
Interview Questionnaire
3 Questions
- Q1. Project Based Questions
- Q2. Which Algorithms you used , statistical measured , challenges , outcome
- Ans.
I have used various algorithms such as linear regression, decision trees, and neural networks to analyze data and make predictions.
Used linear regression to predict housing prices based on various features
Implemented decision trees to classify customer behavior and recommend products
Utilized neural networks for image recognition tasks
Challenges included dealing with missing data and overfitting
Outcome was improved accu
- Q3. Why a specific algorithm was used. Reasoning.
- Ans.
The algorithm was chosen based on its ability to handle large datasets and its accuracy in predicting outcomes.
The algorithm was selected after evaluating its performance on similar datasets.
It was chosen for its ability to handle high-dimensional data and its scalability.
The algorithm was compared to other models and found to have the highest accuracy in predicting outcomes.
The choice of algorithm also depends on the
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via Campus Placement and was interviewed before Jul 2023. There were 3 interview rounds.
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 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
(2 Questions)
- Q1. Ethical questions
- Q2. Besic HR questions like why this company
Interview Preparation Tips
- Machine Learning
- Tata motors history
- Your CV
I applied via Job Fair and was interviewed in May 2024. There was 1 interview round.
(2 Questions)
- Q1. Introduction your self
- Q2. What are the language you learned
- Ans.
I have learned multiple programming languages including Python, R, SQL, and Java.
Python
R
SQL
Java
Interview Preparation Tips
I applied via Referral and was interviewed before Feb 2021. There was 1 interview round.
(4 Questions)
- Q1. My job Responsibility and my job profile.
- Q2. Line balancing for me.
- Ans.
Line balancing is the process of optimizing workstations in a production line to minimize idle time and maximize efficiency.
It involves analyzing the production process and identifying bottlenecks
Tasks are then rearranged to balance the workload across workstations
The goal is to achieve a smooth and continuous flow of work
Example: In a car assembly line, line balancing would involve ensuring that each workstation has a...
- Q3. Rejected and part analysis for everyone.
- Q4. Check sheet Filling.
Interview Preparation Tips
Selected
I applied via Approached by Company and was interviewed before Dec 2021. There were 3 interview rounds.
First off all, we ought to have some sortoff automobile and production knowledge because they will definitely check our technical skill secondly, listening skill and fluency plays significant factor
(2 Questions)
- Q1. It was more like technical round moreover you have to be clear in purpose of your life based upon they are recruiting
- Q2. Define tqbm ? What is bom?
- Ans.
TQBM stands for 'Tudo Que Bem' which means 'Everything is fine' in Portuguese. BOM means 'good' in Portuguese.
TQBM is a common phrase used in Brazil to ask if everything is okay.
BOM is often used as a response to TQBM to indicate that everything is good.
Both TQBM and BOM are informal and commonly used in everyday conversations.
Example: A friend asks 'TQBM?' and you respond 'BOM, e voce?' which means 'Everything is fine
Interview Preparation Tips
I applied via Referral and was interviewed before Sep 2021. There were 2 interview rounds.
(2 Questions)
- Q1. Questions related to your life and society to check your presence of mind and awareness of the world.
- Q2. Question from ic engines,about their working and processes involved.
Interview Preparation Tips
- Automobile,ic engines,excel.
pradnya gadahire
Selected
I applied via Referral and was interviewed in Jan 2024. There were 2 interview rounds.
Logical aptitude test
(2 Questions)
- Q1. Practical test of vlookup and pivot
- Q2. What is sap and explain tcodee
- Ans.
SAP is a software used by companies for managing business operations and customer relations. Tcode is a transaction code used to access specific functions in SAP.
SAP stands for Systems, Applications, and Products in Data Processing.
It is a software used by companies for various business operations like finance, HR, sales, etc.
Tcode is a transaction code used to access specific functions in SAP, like creating a purchase
Interview Preparation Tips
- SAP
Skills evaluated in this interview
Selected
I applied via Approached by Company and was interviewed before Dec 2021. There were 4 interview rounds.
Aptitude and coding test after resume shortlist.
1hour coding test after aptitude test
(3 Questions)
- Q1. Tell me about yourself
- Q2. Tell me about your family
- Q3. What is your professional experience?
Interview Preparation Tips
- DSA
- Python
- Data Structures
- Data Analysis
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Mahindra & Mahindra Data Scientist Interview Process
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