Chetu Software Developer Interview Questions and Answers

15 questions Asked from related technology 5 from English 5 from math and 10 from misllenious.

Some questions asked theoretical and 4 questions based on coding 2 questions related to string manipulation and others 2 was python class based questions.

Q1. What was your role in previous company.
Ans. 
I was responsible for developing and maintaining software applications for the company.
• Developed new features and functionalities for existing software applications

• Fixed bugs and issues in the software

• Collaborated with team members to design and implement solutions

• Participated in code reviews and testing processes
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Q2. Are you able to join immediately?
Ans. 
Yes, I am available to join immediately.
• I am available to start immediately

• I can join as soon as needed

• I have no prior commitments that would prevent me from starting right away
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Aptitude test was very easy

Q1. What is OOP’s Concept and how using in DotNet
Ans. 
OOP stands for Object-Oriented Programming, a programming paradigm based on the concept of objects.
• OOP focuses on creating objects that contain data and methods to manipulate that data.

• In DotNet, OOP is implemented using classes and objects. Classes define the blueprint for objects, while objects are instances of classes.

• Encapsulation, inheritance, and polymorphism are key principles of OOP that are utilized in DotNet ...read more
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Q2. What is Mvc and what is the role in DotNet
Ans. 
MVC stands for Model-View-Controller. It is a design pattern used in DotNet for separating concerns in an application.
• Model represents the data and business logic of the application.

• View is responsible for displaying the user interface.

• Controller handles user input and updates the model and view accordingly.

• MVC helps in achieving separation of concerns, making the code more organized and maintainable.

• Example: In a DotN...read more
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Q3. What are the types of joins in Ms Sql
Ans. 
Types of joins in Ms Sql include inner join, left join, right join, and full outer join.
• Inner join: Returns rows when there is at least one match in both tables.

• Left join: Returns all rows from the left table and the matched rows from the right table.

• Right join: Returns all rows from the right table and the matched rows from the left table.

• Full outer join: Returns rows when there is a match in one of the tables.
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Q4. What is store procedure in Ms Sql
Ans. 
A stored procedure in MS SQL is a precompiled collection of SQL statements that can be saved and reused.
• Stored procedures can improve performance by reducing the amount of data sent over the network.

• They can be used to encapsulate business logic and provide a layer of security by controlling access to data.

• Stored procedures can accept input parameters and return output parameters or result sets.

• Example: CREATE PROCEDUR...read more
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Q5. What is the significance of Sql joins in database management
Ans. 
Sql joins are used to combine rows from two or more tables based on a related column between them.
• Joins are essential for retrieving data from multiple tables in a database

• Types of joins include inner join, outer join, left join, and right join

• Example: SELECT * FROM table1 INNER JOIN table2 ON table1.id = table2.id
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Arithmetic questions and logical

There is an assesment which includes 35 questions and you have to finish in 30 mins. The questions includes basic aptitute and basic python question which is MCQ

Q1. There will be a telephonic interview and will asked basic python and framework questions.
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Q2. What is middleware? What are decorators?
Ans. 
Middleware is software that acts as a bridge between different applications or components.
• Middleware facilitates communication and data exchange between different software applications.

• It can be used to handle tasks such as authentication, logging, and error handling.

• Examples of middleware include Express.js in Node.js for handling HTTP requests and responses.
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Here they will test basic coding skill like decorators, basic problems like Fibonacci series, reverse without using any inbuilt functions, one sorting algorithm and searching algorithm.

Ask multiple choice questions 35 from sql. python. math. time is 35 minutes

Q1. Technical round is on telephone. last for 30 minutes. ask questions on machine learning. Over fitting . what is deep learning . gradient descent . bias variance trade off . linear regression.
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Q2. What is boosting
Ans. 
Boosting is a machine learning ensemble technique that combines multiple weak learners to create a strong learner.
• Boosting iteratively trains a series of weak learners, where each subsequent learner focuses on the mistakes made by the previous ones.

• Popular boosting algorithms include AdaBoost, Gradient Boosting, and XGBoost.

• Boosting is often used in classification and regression problems to improve predictive performan...read more
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Q3. What is bagging
Ans. 
Bagging is a machine learning ensemble technique where multiple models are trained on different subsets of the training data and their predictions are combined.
• Bagging stands for Bootstrap Aggregating

• It helps reduce overfitting by combining the predictions of multiple models

• Random Forest is a popular algorithm that uses bagging
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Q4. Why deep learning is called as deep
Ans. 
Deep learning is called 'deep' because it involves multiple layers of neural networks.
• Deep learning uses multiple layers of neural networks to learn and make decisions.

• Each layer in a deep learning model extracts different features from the input data.

• The depth of the neural network refers to the number of layers it has.

• Deep learning models are able to learn complex patterns and relationships in data.

• Examples of deep l...read more
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Q1. Ask introduction. what is logistic regression. how to remove multicollinearity . what is test error. it last for 20 minutes.
Ans. 
Logistic regression is a statistical model used to predict the probability of a binary outcome based on one or more predictor variables.
• Logistic regression is used when the dependent variable is binary (e.g. 0 or 1).

• To remove multicollinearity in logistic regression, you can use techniques like dropping one of the correlated variables or using regularization methods like Lasso or Ridge regression.

• Test error in logistic...read more
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Q2. How many types of confussion matrix
Ans. 
There are three types of confusion matrices: binary, multi-class, and multi-label.
• Binary confusion matrix is used for classification problems with two classes.

• Multi-class confusion matrix is used for classification problems with more than two classes.

• Multi-label confusion matrix is used for problems where each instance can belong to multiple classes.

• Example: In a binary classification problem, the confusion matrix woul...read more
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Q3. Types of errors
Ans. 
Types of errors in software development
• Syntax errors: Mistakes in the code structure that prevent it from running

• Logic errors: Flaws in the algorithm that lead to incorrect results

• Runtime errors: Issues that occur while the program is running, such as division by zero

• Semantic errors: Errors in the meaning of the code that may not be caught by the compiler
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The apptitude test is very easy.
First 20 questions are realated to image
Means select the image to make puzzle 🧩
Then 5 questions apptitude of related train &speed
Then 5 logical reasoning means series of number, interest,etc.
Then 15 psuedo code question
And you must have to want 60%marks of psuedo code
All psuedo code have from c language you can practice from google
They are provide 3 month unpaid training
And then next three month they giving you 15k
And they want to be 3 lakh check from you as a community of company means if you are want to leave and break the bond of company which have 4 year then you will be....pay
It is not mandatory that your account having money you can give this company check any of your bank.
Thankyou

Q1. Something questions about your passion ?
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Q2. Family background etc.
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Q3. How to measure odometer?
Ans. 
Odometer can be measured by counting the number of rotations of the wheel and multiplying it by the circumference of the wheel.
• Measure the circumference of the wheel

• Count the number of rotations of the wheel

• Multiply the circumference by the number of rotations to get the distance traveled

• Use sensors to automate the process
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Q4. Varify this series 1,4,5,7,8,9 _ ?
Ans. 
The missing number is 6.
• The series is not in any particular pattern.

• The missing number is between 5 and 7.

• The answer is 6.
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Q5. How much byte in int?
Ans. 
An int is typically 4 bytes in size.
• The size of an int can vary depending on the programming language and platform.

• In C and C++, an int is typically 4 bytes on most platforms.

• In Java, an int is always 4 bytes.

• In Python, an int can be any size depending on the value it represents.
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