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Tech Mahindra Associate Software Engineer Interview Questions and Answers
56 Interview questions
To find the 2nd highest salaried employee, we can use sorting or a set to identify unique salaries.
Use a database query: SELECT DISTINCT salary FROM employees ORDER BY salary DESC LIMIT 1 OFFSET 1;
In an array: Sort the array of salaries and access the second last element.
Using a set: Convert the salary list to a set to remove duplicates, then sort it.
Python's simplicity, readability, and versatility make it a popular choice for new coders compared to Java.
Python has a simpler syntax, making it easier for beginners to learn and write code. For example, printing 'Hello, World!' is just 'print("Hello, World!")' in Python.
Python's extensive libraries and frameworks, like Django for web development and NumPy for data science, allow for rapid development.
Python supp...
Machine learning is a subset of artificial intelligence that enables systems to learn from data and improve over time without explicit programming.
Machine learning algorithms identify patterns in data to make predictions or decisions.
Common types include supervised learning (e.g., spam detection) and unsupervised learning (e.g., customer segmentation).
Applications range from image recognition (e.g., facial recogni...
DBMS manages data storage, retrieval, and manipulation, ensuring data integrity and security in databases.
Data Models: Defines how data is structured (e.g., relational, hierarchical). Example: Relational model uses tables.
Database Schema: The blueprint of the database, outlining tables, fields, and relationships. Example: A schema for a library database.
Data Manipulation Language (DML): Used for querying and modif...
What people are saying about Tech Mahindra
I prefer Java for its platform independence, strong community support, and extensive libraries.
Platform independence allows Java code to run on any device with a Java Virtual Machine (JVM)
Strong community support ensures quick resolution of issues and access to resources
Extensive libraries provide pre-built solutions for common programming tasks
Java is widely used in enterprise applications, web development, and m...
Object-oriented programming paradigm focusing on objects and classes.
Encapsulation: Bundling data and methods that operate on the data into a single unit (class).
Inheritance: Ability of a class to inherit properties and behavior from another class.
Polymorphism: Ability to present the same interface for different data types.
Abstraction: Hiding the complex implementation details and showing only the necessary featur...
ML stands for Machine Learning, a subset of artificial intelligence that focuses on the development of algorithms and models that allow computers to learn from and make predictions or decisions based on data.
ML involves training algorithms to recognize patterns in data and make decisions or predictions without being explicitly programmed.
Common techniques in ML include supervised learning, unsupervised learning, a...
Pointers are variables that store memory addresses of other variables or functions.
Pointers are used to access and manipulate memory directly.
They are commonly used in programming languages like C and C++.
Example: int *ptr; // declaring a pointer to an integer variable
Types of joins include inner join, outer join (left, right, full), cross join, and self join.
Inner join: Returns rows when there is a match in both tables
Outer join: Returns all rows from one table and matching rows from the other table
Cross join: Returns the Cartesian product of the two tables
Self join: Joins a table to itself
I have experience working with technologies such as Java, Python, SQL, HTML, CSS, JavaScript, and Git in my projects.
Java
Python
SQL
HTML
CSS
JavaScript
Git
Tech Mahindra Associate Software Engineer Interview Experiences
128 interviews found
Punit Kumar
(5 Questions)
- Q1. Swap two variables, prime number
- Ans.
To swap two variables, use a temporary variable to store one value before swapping them.
Create a temporary variable to store one of the values
Assign the first variable to the temporary variable
Assign the second variable to the first variable
Assign the temporary variable to the second variable
- Q2. Based on Linux, SQL and other
- Q3. What are pointers
- Ans.
Pointers are variables that store memory addresses of other variables or functions.
Pointers are used to access and manipulate memory directly.
They are commonly used in programming languages like C and C++.
Example: int *ptr; // declaring a pointer to an integer variable
- Q4. Commands on SQL and Linux
- Q5. Questions related to HR
Anonymous
Selected
I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
(2 Questions)
- Q1. Aptitude test and general knowledge
- Q2. Coding exam and mcq question
Interview Preparation Tips
Darshan roopa
Selected
I appeared for an interview in May 2024.
General aptitide and logical reasoning
(3 Questions)
- Q1. Reading the displayed statements
- Q2. Hearing and answering to the questions
- Q3. Speak on a topic for 1 min
- Ans.
The impact of artificial intelligence on society
AI has revolutionized various industries such as healthcare, finance, and transportation
Ethical concerns surrounding AI, such as job displacement and privacy issues
Potential benefits of AI, such as improved efficiency and decision-making
Examples like self-driving cars, virtual assistants, and medical diagnosis systems
(5 Questions)
- Q1. Whats oops concept?
- Ans.
Object-oriented programming paradigm focusing on objects and classes.
Encapsulation: Bundling data and methods that operate on the data into a single unit (class).
Inheritance: Ability of a class to inherit properties and behavior from another class.
Polymorphism: Ability to present the same interface for different data types.
Abstraction: Hiding the complex implementation details and showing only the necessary features.
- Q2. Why you prefer java?
- Ans.
I prefer Java for its platform independence, strong community support, and extensive libraries.
Platform independence allows Java code to run on any device with a Java Virtual Machine (JVM)
Strong community support ensures quick resolution of issues and access to resources
Extensive libraries provide pre-built solutions for common programming tasks
Java is widely used in enterprise applications, web development, and mobile...
- Q3. Explain about your projects?
- Q4. Most of the questions were from my resume, he scanned my resume through his eyes, and started directly with my projects?
- Q5. What do you mean by ML?
- Ans.
ML stands for Machine Learning, a subset of artificial intelligence that focuses on the development of algorithms and models that allow computers to learn from and make predictions or decisions based on data.
ML involves training algorithms to recognize patterns in data and make decisions or predictions without being explicitly programmed.
Common techniques in ML include supervised learning, unsupervised learning, and re...
(6 Questions)
- Q1. Tell me about yourself that is not mentioned in your resume?
- Ans.
I am an avid hiker and have climbed several mountains in my free time.
I enjoy outdoor activities like hiking and camping
I have climbed Mount Kilimanjaro and Mount Rainier
I find solace in nature and often go on solo hikes
- Q2. Why we should prefer you over other candidates?
- Q3. Why tech mahindra?
- Q4. Are comfortable with Pan India?
- Q5. How do you work in teams?
- Q6. How do you tackle any problem thats faced by you?
- Ans.
I approach problems methodically by breaking them down into smaller tasks, researching possible solutions, and seeking input from colleagues.
Identify the root cause of the problem
Break down the problem into smaller, manageable tasks
Research possible solutions and best practices
Seek input and feedback from colleagues or mentors
Implement a solution and test it thoroughly
Iterate on the solution if necessary
Interview Preparation Tips
- Cs fundamentals
The thing what I came to know after all this is,
Try grinding Core CS fundamentals? Thats more than enough, do not waste time on complecated Concepts.
Look I will tell you the reality,
to get a entry level job that too in Service Based MNCs like Tcs , Tech mahindra , Cognizant etc you need be good at just CS Fundamentals along with leetcode easy level Coding Questions. Thats it.
Skills evaluated in this interview
(1 Question)
- Q1. SQL questions on how to remove dupliates
(1 Question)
- Q1. About company and walk me through your resume
I applied via Company Website and was interviewed in Jul 2024. There were 3 interview rounds.
Aptitude was easy, all that matters is speed.
Coding questions were also easy uf you are well aware of the basic concepts of whatever programming language you choose.
(4 Questions)
- Q1. What is Github, where and how you have used it?
- Ans.
GitHub is a web-based platform for version control and collaboration, allowing developers to manage and share code repositories.
Used GitHub to host personal projects, enabling easy access and collaboration with others.
Utilized GitHub for version control in team projects, tracking changes and managing code contributions.
Participated in open-source projects on GitHub, contributing code and documentation to enhance commun...
- Q2. Explain MongoDB
- Ans.
MongoDB is a NoSQL database that stores data in flexible, JSON-like documents, allowing for dynamic schemas and scalability.
Document-oriented: Data is stored in BSON format, which is similar to JSON, allowing for nested structures.
Schema-less: Collections can have different fields and data types, making it flexible for evolving applications.
Scalability: Supports horizontal scaling through sharding, distributing data ac...
- Q3. What is CSS ? Why do we use it over HtML ?
- Q4. After being asked about MongoDB, what is JSON?
- Ans.
JSON (JavaScript Object Notation) is a lightweight data interchange format that's easy for humans to read and write.
JSON is text-based and uses a syntax similar to JavaScript objects.
It consists of key-value pairs, e.g., {"name": "John", "age": 30}.
JSON supports data types like strings, numbers, arrays, and objects.
It's commonly used for APIs and data storage, especially in NoSQL databases like MongoDB.
JSON is language...
Prayag Raj Mathuria
The aptitude test was on moderate level.
The coding test was comparitively very easy.
It was an online english speaking and reading test.
(2 Questions)
- Q1. The first question was about introduction
- Q2. Second question was about project
(1 Question)
- Q1. Basic HR Question
Interview Preparation Tips
Nikhitha Kommera
Selected
It was quantitative and reasoning
Coding and SQL questions
(1 Question)
- Q1. Explain about Oops concepts in detail
- Ans.
OOPs concepts are fundamental principles of object-oriented programming like Inheritance, Polymorphism, Encapsulation, and Abstraction.
Inheritance: Allows a class to inherit properties and behavior from another class.
Polymorphism: Allows objects to be treated as instances of their parent class.
Encapsulation: Bundling data and methods that operate on the data into a single unit.
Abstraction: Hides the complex implementat...
(1 Question)
- Q1. General hr questions
Aptitude test on shl
2 question on shl platform
(2 Questions)
- Q1. Project related
- Q2. Coding dsa question easy level
Interview Preparation Tips
Selected
I applied via Company Website and was interviewed in Jul 2024. There were 5 interview rounds.
It was easy. The test took around 1.5 hours.
It was around 1.5 hours with 45mins for 2 easy coding questions and remaining time for behavioural questions.
(2 Questions)
- Q1. Read the following sentence shown on screen.
- Q2. Answer questions from a passage you heard.
(2 Questions)
- Q1. Yet to appear for this round
- Q2. Yet to appear for this round of interview
(2 Questions)
- Q1. Yet to appear for this round
- Q2. Yet to appear for this round of interview
Selected
I applied via Campus Placement and was interviewed in Sep 2024. There was 1 interview round.
This round includes several, but easy aptitude questions on topics like ratio, percentage, profit-loss etc.
Interview Preparation Tips
- Any coding language
- dbms
- sql
- python
Tech Mahindra Interview FAQs
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Software Engineer
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