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Mindtree Interview Questions

If you are looking for Mindtree Interview Questions and answers to crack your Mindtree interview, this is the right blog. Yes! MindMajix content experts have hand-picked the top 30 Mindtree interview questions to help aspirants ace Mindtree interviews easily. This blog provides Q&A on data structures, OOPS concepts, network layers, databases, testing, exceptions, etc. Not only Mindtree interview questions and answers, but you can also find the Mindtree interview process, tips for interview preparation, and FAQs in this blog.

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Mindtree is an Indian-origin MNC that renders IT technology and consulting solutions to many clients. This company has a workforce of nearly 40k employees all over the world. Mindtree offers services across multiple domains, including cloud computing, data analytics, ERP, e-commerce, etc. Further, this company provides R&D services in video surveillance, IT infrastructure management or MWatch, integrated test methodology, or More

Mindtree offers a robust platform for its employees to learn and excel. But at the same time, acquiring a job in Mindtree is not a walk in the park. You must be thorough with Mindtree interview questions and learn them intelligently to crack the interview.

On this note, MindMajix content experts have prepared this blog with the top 30 Mindtree interview questions and answers to help learners of various expertise levels. This blog's Q&A is divided into three sections. You can directly jump into the correct section based on your expertise level.

Top 10 Frequently Asked Mindtree Interview Questions

  1. What do you understand by Data Complexity?
  2. What do you mean by BCNF?
  3. Explain Runtime Error
  4. What is a Linked List?
  5. Explain: OOPs Concepts
  6. What is Serialization and deserialization?
  7. State the differences between SQL and NoSQL.
  8. How can you avoid Structure Padding in C?
  9. What are the applications of different Data Structures
  10. Compare Checked and Unchecked Exceptions in Java.

Mindtree Interview Process

Mindtree interview consists of three rounds: online assessment, technical interviews, and HR interviews.

Let’s look into the rounds deeply one by one.

Round: 1 - Online Assessment

In this round, you will be asked various questions from the following three sections to test your quantitative, written English, and coding ability.

Quantitative: The assessment will include questions to check your quantitative and analytical skills. No doubt you must be quick and accurate to clear this round.

Written English: The assessment will include questions to test your knowledge of English tense forms, prepositions, antonyms, synonyms, etc. Additionally, you will also be asked to write a few short passages to test your writing abilities.

Coding: The assessment will have questions to code for at least two problems. The difficulty level of the coding would be either easy or medium, but there won't be any need for complex coding. Mainly, you will be asked to write codes in C, Python, or C++ languages. To clear this round, you must be familiar with programming.

Round: 2 - Technical Interview

Only when you clear the online assessment you will be allowed to attend the technical interview. In this round, your technical expertise will be tested in-depth. You will be asked questions about your previous experience, projects worked on, and achievements. 

To clear this round successfully, you must be thorough in computer fundamentals, including data structures and algorithms, computer networks, operating systems, etc. Mainly, you must have expertise in programming languages such as C, Python, and C++. This round may have additional rounds based on the performance of your initial rounds.

Round: 3 - HR Interview

It is one of the key rounds of the Mindtree interview process. Even if you have attended technical rounds successfully, you must tackle this round intelligently. In this round, they will test your attitude, problem-solving skills, and stress management in many ways. To pass this round successfully, you must know Mindtree’s core values, leadership principles, culture, etc. 

Moreover, you must provide accurate answers to the questions that are shot at you based on the information provided in your resume. And there will be common questions related to your short and long-term goals, why Mindtree, willingness to switch over locations, challenges, your leadership qualities, etc. So, you must prepare thoroughly before you attend this HR round.

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Mindtree Interview Questions for Freshers

1. What do you mean by Data Type in Computer Programming?

A data type is a value or form that a variable can have. You can perform mathematical, logical, and relational operations without errors based on the data type. Boolean, integer, character, string, floating point number, and void are a few examples of data types. The following data types and examples will help you to understand clearly.

Data Type




Alphanumeric characters

Bob, Alice, Hello


Text is encoded in numerical form

97, which is equal to ‘a’


Whole numbers


Floating Point

Number with a decimal point



Represents logical functions


2. What do you understand by Data Complexity?

Data complexity denotes the size as well as intricacies of data. It mainly depends on four parameters. They are the data structure, variety, data size, and abstraction.

Data Structure: It indicates the relationships between the data elements. As the number of connections increases, the data complexity also increases.

Variety: It represents the heterogeneity of data. As the data structure becomes more complex, the data complexity also increases.

Data Size: It represents the volume of data. As the volume of data increases, the data complexity also increases.

Abstraction: It is the process of hiding unnecessary information and representing only the necessary information. The abstracted data is usually more complex than the raw data

3. State the differences between Process and Thread



Essentially, the process is a program scheduled for execution.

A thread is nothing but a set of instructions that can be a part of a process. In other words, a process can have many threads.

A process can have many states, such as new, ready, waiting, running, suspended, and terminated.

It has only three states such as ready, running, and blocked.

A process is a heavyweight element

A thread is a lightweight element

ending a process will take time.

We can quickly end a thread

We can isolate processes

We cannot separate threads

4. What do you mean by Foreign Key, Super Key, and Candidate Key in DBMS?

Foreign Key: A column or set of columns in a table associated with another table's primary key column.

Super Key: An attribute or set of features is used to identify table rows.

Candidate Key: It is the subset of the super key. It is an attribute or set of features used to identify tuples in a table.

5. What do you mean by BCNF?

BCNF refers to Boyce-Codd Normal Form. It is the fourth form of normalization in databases. It is essential that we need to perform all levels of normalizations for multidimensional database systems. As a result, you can remove redundant data from the databases and bring consistency. You can apply BCNF only when the following criteria are satisfied.

  • BCNF must be in the 3NF level
  • One of the reference tables must have a primary key.

6. What is the need for Memory Management?

We perform Memory management to utilize memory resources efficiently. Allocating suitable memory sources to multiple tasks is the most vital part of memory management. With memory management, we can efficiently perform multiprogramming. Not only that, we can eliminate fragmentation issues, track, and record memory resource usage, and significantly ensure data integrity

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7. Explain Runtime Error

A runtime error is an error that arises while you are running a program. A bug is another name for a runtime error. It is essential that we need to identify bugs or runtime errors before releasing software. Logical errors and division by zero errors are a few examples of runtime errors.

8. Describe HTTP and HTTPS Protocols in Computer Networks.

HTTP is the short form of HyperText Transport Protocol. This protocol uses hyper-structured text and provides web browsers and servers with communication standards. Note that HTTP is also known as the stateless protocol.

On the other hand, HTTPS is the short form of HyperText Transport Protocol Secure. This protocol establishes secured transactions by encrypting data using SSL encryption. This is how data is protected using HTTPS while transferring it through the internet.

9. What is a Linked List?

A linked list is essentially a data structure that has a linear property. This data structure has a chain of connected nodes. Note that each node has data as well as the address of the following code. There are many types of linked lists, such as doubly, singly, and circular.

10. What is the use of a Break Statement?

We use a break statement to stop the execution of a loop once conditions are fulfilled. So the program will move to the following statement for execution.

Mindtree Interview Questions for Experienced

11. What are the Software Development Life Cycle (SDLC) phases?

There are totally six phases in every software development lifecycle. They can be listed as follows:

  • Planning and Analysis
  • Design
  • Development
  • Testing
  • Deployment
  • Maintenance

12. Explain: OOPs Concepts

OOPs refers to Object Oriented Programming. OOPs is the methodology that supports software design based on data rather than logic and functions

Abstraction, polymorphism, inheritance, and encapsulation are the four OOPS concepts.

Abstraction: According to this OOPs concept, only the essential features of an object are shown to users. All the other information will be hidden. In other words, users will get only the information that they need.

Polymorphism: it is the ability of the data to take multiple forms based on various scenarios.

Inheritance: It represents the relationship between two classes – parent class and child class. According to this concept, the child class inherits the properties of the parent class.

Encapsulation: It is the process of wrapping data and functions in a single unit.        

13. Differentiate: Interface class with Abstract Class

Interface Class

Abstract Class

It can extend another interface

It can extend another class

An abstract is optional if you want to declare a method

An abstract is mandatory if you want to declare a method

It can only have abstract methods

It can have abstract and concrete methods

14. What do you mean by OSI Model, and describe its various layers?

OSI is the short form of  Open Systems Interconnection. OSI Model has a seven-layer architecture that transports data from one point to another. Of the seven layers, the transport layer is the heart of the OSI Model. The presentation, application, and session layers are known as software layers. And data link layer, network layer, and physical layer are known as hardware layers.

15.How is IPv4 different from IPV6?

IPv4 is Internet Protocol version 4, whereas IPv6 is Internet Protocol version 6. In many ways, IPv6 is a better protocol than IPv4. IPv4 has a 32-bit address length, whereas IPv6 has a 128-bit one. IPv4 supports DHCP address configuration, whereas IPv6 supports renumbering address configuration. Moreover, Encryption and authentication are not supported in IPv4. On the other hand, they are supported in IPv6.

16. What is Serialization and deserialization?

It is the process of converting an object into a stream of bytes. So you can store the object in an easily transmittable way. You can move to another data store or destination or application effortlessly.

On the contrary, deserialization is the process of converting the streams of bytes into objects.

17. Compare: Multiprogramming and Multitasking



Multiple users can perform tasks on a single processor at a time

Multiple CPUs will run multiple programs.

It is a non-preemptive type process

It is a preemptive type process

Context switching reduces idle time of processors

Context switching increases processor idle time.

It doesn’t need a large amount of memory.

It requires a large quantity of memory

Response time is longer

Response time is short

18. Compare: Delete and Truncate SQL commands.



It is used to remove specific rows from a table

It is used to remove all the rows of a table

It is a DML command

It is a DDL command

It uses the WHERE clause

It doesn’t use the WHERE clause

We can use this command with indexed views

We cannot use this command with indexed views

19. State the differences between SQL and NoSQL.



It is a Relational Database System

It is a Non-relational Database System

They use predefined schema

They use dynamic schema for unstructured data

You can quickly process complex queries

It isn't easy to process complex queries

It scales vertically. It means you must add RAM and SSD to manage the increasing loads.

It scales horizontally. It means that you need to add more servers to balance the increasing loads.

It is table-based

It is document-based

It follows ACID properties such as atomicity, isolation, consistency, and durability.

It follows the CAP theorem. CAP is the short form for Consistency, Partition Tolerance, and Availability

20. Differentiate Pre-emptive Scheduling and Non-preemptive Scheduling

Pre-emptive Scheduling

Non-preemptive Scheduling

When a priority task arrives, the current execution is halted, and the priority task is executed. It means You can interrupt processes

When a priority task arrives, the current process is unaffected. It means, Interruption is not allowed

It offers high flexibility

It doesn't provide flexibility

It includes overheads to organize procedures

It doesn't support overhead

You can utilize the CPU to maximum efficiency

CPU cannot be utilized beyond a limit

It is cost effective

It is not cost-effective.

Mindtree Interview Questions for Advanced Learners

21. is ‘C’ language called Procedural language?

‘C’ is the programming language that executes functions based on procedures. Functions are nothing but parts of the main program. Procedural languages allow executing functions in a certain order to complete the program execution. So they don't respond to events in the middle of execution for any reason. That's why C is known as one of the procedural languages.

22. How can you avoid Structure Padding in C?

We can avoid structure padding in the following ways.

  • Using  #pragma pack (1 ) directive
  • Using attribute
  • Avoiding relying on the structure layout
  • Initializing padding bits with zero

23. What are the applications of different Data Structures

Know that array, heap, Linked list,  Hash Tables, Matrices, Vectors,  and Trees are a few data structures.

When it comes to arrays, they act as primitive building blocks to create other data structures.

When it comes to the linked list, they are used to switch applications and programs in the OS.

When it comes to trees, they help to manage database indexes. Moreover, the heap data structure stores Java objects in Java Virtual Machine.

24. What are the Key differences between White Box testing, Black Box testing, and Grey Box testing?

In the White box testing, the internal details such as code structure and internal paths are closely analyzed. Clear box testing, glass box testing, open box testing, and transparent box testing are the other names of white box testing.

In Black box testing, the internal details of a software program are not analyzed. Only the input and output values are analyzed.

Grey box testing is also known as integrated testing. This testing is the integrated version of white box testing and black box testing.

25. How will you pass data from one JSP to another?

You can pass data from one JSP to another in the following ways.

  • Using Query Parameter
  • Using Hidden Variable
  • Using Session Object

26. What is the use of ABAP Queries?

We can create reports in the SAP application using ABAP queries. Mainly, ABAP queries create reports that do not already exist in the SAP application. you can create reports like basic lists and ranked lists with the help of ABAP queries. Note that every ABAP component has four components such as queries, user groups,infosets,and translation of query.

Related Article: SAP ABAP Interview Questions

27. Differentiate: ‘Call by value’ and ‘Call by Reference’.

Call by Value

Call by Reference

The original value is not modified in this method

The original value is modified in this method

Only a copy of the variable is passed

The variable itself is passed

It is set as the default method in various programming languages such as VB Net, C++, and C#.

It is the method used in Java programs.

Variables are passed using simple methods.

We use Pointers to store the address of variables.

28. How is Static Library Linking different from Dynamic Library Linking?

Static Library Linking

Dynamic Library Linking

We use Linkers to perform static linking. It is generally done at the end of the compilation process.

The operating system performs this linking only at the run time.

These files are usually larger since executable files comprise all external programs.

The file size is small since a single shared file is stored in memory.

Programs run faster in this linking type.

Programs run slowly when compared to static linking.

The programs in the executable file don’t encounter compatibility issues because all codes are included in a single file.

This linking type faces compatibility issues at times.

29. How will you declare a variable that holds String values?

Know that a single char keyword can hold a single string value at a time. If you want to hold many string values, you need to create an array of characters. For example, if you make an array like  "char NewName [10];", you can hold up to 10 names. Here, we have declared the string variable as ‘NewName’.

30. Compare Checked and Unchecked Exceptions in Java.

Checked exceptions are checked during compilation time. On the other hand, unchecked exceptions are checked during run time.

Checked exceptions allow using the ‘try-catch’ or ‘throws’ keywords. On the contrary, unchecked exceptions don't allow using these keywords.

Checked exceptions include all exceptions other than subclasses, RuntTimeException, and errors. On the other hand, unchecked exceptions include RuntTimeException as well as subclasses.

Mindtree Leadership Principles

The leadership model of Mindtree is built based on three principles – Leadership Competence, Learning Agility, and Self-awareness.

Leadership Competence

This principle has four tracks – Coach, Thought Leader, Ninja, and Rainmaker.

A coach is a leader who inspires people, shares vision, and creates more leaders.

A thought leader is the one who creative thinker and expert in Mindtree business.

Ninja is the leader who ensures quality output and raises business values to new levels through operational excellence.

Rainmakers find new opportunities and create new segments to impact the business directly.

Learning Agility

This principle is based on the ability of leaders to adapt to challenging situations. In other words, leaders must have good agility to cope with and handle changing conditions. So leaders should have the qualities such as curiosity, interpersonal skills, the ability to manage ambiguities, and resourcefulness.


This leadership principle deals with the ability of a leader to handle challenging situations and achieve success. In other words, the leader must be able to strengthen the weak areas through their leadership skills.

Tips to crack Mindtree interview

Research the company

First and foremost, research Mindtree in all aspects. Know who the clients of Mindtree are and the services and consultations that Mindtree offers to the clients. Understand the sectors where Mindtree has its multiple businesses. Learn the vision of the company, its leadership principles, and its work culture. Please ensure you have learned everything about Mindtree without leaving no stone unturned.

Strong Analytical Skill

Mindtree will test your quantitative and analytical skills through the online assessment. Before attending the interview, go through many quantitative mock tests, puzzles, and aptitude questions. It will enhance your analytical skills better.

Sound Technical Competence

In the technical round, interviewers will scrutinize your technical competence in popular programming languages such as C, Python, and C++ in-depth. So, you must have sound technical knowledge to answer tough technical questions.

Review your Attitude

Undeniably, attitude plays a vital role in a person’s success. In the HR round, interviewers will test your attitude in many ways. For example, how are you responding to stressful situations, solving critical problems, and your collaboration skills? Before attending the interview, review your attitude and weigh the positives and negatives accurately. Collect feedback on your attitude from your friends, mentors, and colleagues. Then plan to improve your attitude accordingly.

Mindtree FAQs

1. Do you think the Mindtree interview is challenging to crack?

Yes. Mindtree interview is a bit difficult to crack. You need to face tough technical questions and HR rounds. However, if you have prepared well, the Mindtree interview will be a cakewalk.

2. What questions might be asked in the Mindtree technical interview?

The questions will be about modern programming languages, computer fundamentals, computer networks, Operating systems, data structures, algorithms, etc.

3. How many rounds of interviews must you go through in a Mindtree interview?

There are totally three rounds – Online Assessment, Technical Interview, and HR Round.

4. How the passing criteria are set in the Mindtree interview?

You need to clear all three rounds of interviews consecutively. The three rounds are online assessment, technical interview, and HR interview. You won't be allowed for the next round if you don't clear any of the three.

5. How to effortlessly crack Mindtree technical interviews?

You need to have strong technical expertise in computer programming and fundamentals. Learn the programming concepts thoroughly but at the same time get some hands-on experience in coding.


In the Mindtree interview process, you must go through three rounds: online assessment, technical interview, and HR interview. And all these 30 Mindtree interview questions and answers might have helped you in the best way. The tips to ace your Mindtree interview must have been helpful to you. Of course! You can easily take this article as a guide to cracking your Mindtree interview. If you want to prepare further, you can successfully attend MindMajix courses and ace your Mindtree interview. 

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About Author
Remy Sharp
Madhuri Yerukala

Madhuri is a Senior Content Creator at MindMajix. She has written about a range of different topics on various technologies, which include, Splunk, Tensorflow, Selenium, and CEH. She spends most of her time researching on technology, and startups. Connect with her via LinkedIn and Twitter .

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