Chetu Interview Questions, Process, and Tips

Q1. All oops concept
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Object-oriented programming concepts like inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation details and showing only the ne
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Q2. Basic sql query
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Mcq on sql, python, syntax, english sentence

Q1. Question on dictionary
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Q2. Question on data leakage, bias variance trade off,
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Q1. Build xg bost model(actaul code)
Ans. 
Building an xgboost model involves training a gradient boosting algorithm for classification or regression tasks.
• Install xgboost library using pip install xgboost

• Import necessary libraries like xgboost, numpy, and pandas

• Prepare the data by splitting into training and testing sets

• Instantiate an xgboost classifier or regressor object

• Fit the model on the training data using the fit method

• Make predictions on the test data
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Q2. Create the virtual environment using cmd.
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Q3. Remove space from given dataframe and concat the first and last name and add new column to dataframe.
Ans. 
Remove spaces from dataframe, concatenate first and last name, and add new column.
• Use str.replace() to remove spaces from dataframe columns.

• Use str.cat() to concatenate first and last name.

• Use df['new_column'] = concatenated_names to add new column.
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Q4. Create simple ANN network using Tensorflow.
Ans. 
Creating a simple Artificial Neural Network (ANN) using Tensorflow.
• Import the necessary libraries like tensorflow and numpy.

• Define the input layer, hidden layers, and output layer.

• Compile the model with appropriate loss function and optimizer.

• Train the model using training data.

• Evaluate the model using test data.
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Q1. Salary discussion?
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Q2. Asking to come to office location noida to received offer letter
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Q3. No clarity on what CTC they are offering.
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It was CAD Developer position so they asked about cad and some aptitude questions.

Q1. Asked about AutoCAD APIs.
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Q2. About C# language.
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1. What is Playwright, and how does it differ from Selenium?
2. How do you handle authentication in Playwright for multiple users?
3. Explain how to run tests in parallel using Playwright.
4. Describe how you would handle waiting for elements in Playwright.

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Q1. Xg boost, naive Bayes algorithm, standard deviation formula and detailed information about that
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Q2. What is xg boost All about naive Bayes algorithm Standard deviations and the formula
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Q3. What is the Byes rules and there in deep
Ans. 
Bayes' rule is a fundamental concept in probability theory that allows us to update our beliefs based on new evidence.
• Bayes' rule is named after Thomas Bayes, an 18th-century mathematician.

• It is also known as Bayes' theorem or Bayes' law.

• Bayes' rule calculates the probability of an event based on prior knowledge and new evidence.

• It is commonly used in machine learning and statistical inference.

• The formula for Bayes' ru...read more
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There is MCQ question categories reasoning math logical puzzle etc.

Q1. Question from java and android 1 Opps deep drive concept Encapsulation Abstraction Polymorphism Inheritance Use of keywords Var , val cons, static inline return break an...read more
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Assign some coding questions it will online on zoom and it will be final round