Maruti Suzuki Data Scientist Interview Questions and Answers

Q1. Tell me about yourself
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Q2. Questions from projects which was mentioned on resume
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Q1. Fitment based questions
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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
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Math, English, reasoning

Q1. Asked me about expected salary
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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...read more
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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...read more
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Q1. Questions related to your life and society to check your presence of mind and awareness of the world.
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Q2. Question from ic engines,about their working and processes involved.
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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

Q1. It was more like technical round moreover you have to be clear in purpose of your life based upon they are recruiting
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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
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Q1. About college Project
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Q2. Sql basic questions
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About Data in SQL , syntax

Aptitude and coding test after resume shortlist.

1hour coding test after aptitude test

Q1. Tell me about yourself
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Q2. Tell me about your family
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Q3. What is your professional experience?
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