Interview Questions 2025

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Wipro Interview Questions with Answers for Freshers & Experienced – Technical, HR, Aptitude

Here are well-structured and clear answers to the technical interview questions for you. These are suitable for freshers and experienced candidates preparing for competitive exams, campus placements, and recruitment drives.

✅ Technical Interview Questions with Answers:

1. What is the difference between C and C++?

• C is a procedural programming language, while C++ is both procedural and object-oriented.
• C does not support features like classes and objects, whereas C++ supports OOP concepts like inheritance, encapsulation, polymorphism, etc.

2. Explain the OOPs concepts in Java.

• Encapsulation: Wrapping data and methods into a single unit (class).
• Inheritance: One class inherits the properties of another.
• Polymorphism: Ability to take many forms—method overloading/overriding.
• Abstraction: Hiding internal details and showing only functionality.
• Class & Object: Class is a blueprint; object is the instance.

3. What is the difference between stack and queue?

• Stack: Follows LIFO (Last In, First Out) order.
• Queue: Follows FIFO (First In, First Out) order.
• Stack example: function call stack; Queue example: print queue.

4. What are the types of operating systems?

• Batch OS
• Time-Sharing OS
• Distributed OS
• Real-Time OS
• Network OS
• Mobile OS

5. What is normalization in databases?
   Normalization is the process of organizing data to reduce redundancy and improve data integrity.
   Common forms:

• 1NF (First Normal Form)
• 2NF (Second Normal Form)
• 3NF (Third Normal Form)
  Each higher level removes more redundancy.

6. What is the difference between SQL and NoSQL databases?

• SQL: Relational, structured, uses tables (e.g., MySQL, PostgreSQL)
• NoSQL: Non-relational, stores data as key-value, documents, or graphs (e.g., MongoDB, Cassandra)
• SQL is schema-based; NoSQL is schema-less.

7. Explain the concept of pointers in C.
   A pointer is a variable that stores the memory address of another variable.
   Example:

c

int x = 10;

int *p = &x;

8. What is recursion? Give an example.
   Recursion is a function calling itself to solve a problem.
   Example: Factorial

c

int fact(int n) {

  if(n == 0) return 1;

  else return n * fact(n - 1);

}

9. What are the different types of data structures?

• Linear: Arrays, Linked Lists, Stacks, Queues
• Non-linear: Trees, Graphs
• Hash-based: Hash Tables
• Advanced: Tries, Heaps

10. What are joins in SQL? Explain different types of joins.
    Joins combine data from two or more tables.
    Types:

• INNER JOIN: Returns matching rows from both tables.
• LEFT JOIN: All records from left + matched from right.
• RIGHT JOIN: All records from right + matched from left.
• FULL JOIN: All records when there is a match in either.

11. What is inheritance in OOP?
    Inheritance is the process by which one class (child) acquires the properties and methods of another (parent) class.
    It promotes code reusability.
12. Write a program to reverse a string.

c

#include <stdio.h>

#include <string.h>

int main() {

  char str[100], temp;

  int i, j;

  printf("Enter a string: ");

  gets(str);

  j = strlen(str) - 1;

  for(i = 0; i < j; i++, j--) {

    temp = str[i];

    str[i] = str[j];

    str[j] = temp;

  }

  printf("Reversed string: %s", str);

  return 0;

}

13. Explain the life cycle of a software development project.

• Requirement Gathering
• System Design
• Implementation (Coding)
• Testing
• Deployment
• Maintenance

14. What is the difference between process and thread?

• Process: Independent, has its own memory space.
• Thread: Subset of a process, shares memory with other threads.
• Threads are lightweight; processes are heavier.

15. What are the basic Linux commands you know?

• ls – list files
• cd – change directory
• pwd – print working directory
• mkdir – make directory
• rm – remove files
• chmod – change file permissions
• ps – show running processes
• top – real-time process monitoring
• grep – search text using patterns

Would you like this converted into an article/blog post format or want answers for Aptitude and HR interview questions next?

✅Aptitude & Problem-Solving Questions

✅ 1. Solve this: If 5x + 3 = 23, find x.

Solution:

5x+3=23⇒5x=23−3=20⇒x=205=45x + 3 = 23 \\ \Rightarrow 5x = 23 - 3 = 20 \\ \Rightarrow x = \frac{20}{5} = 45x+3=23⇒5x=23−3=20⇒x=520=4

Answer: ✅ x = 4

✅ 2. What is the next number in the series: 2, 4, 8, 16, ___?

Explanation:

Each number is multiplied by 2:

• 2 × 2 = 4
• 4 × 2 = 8
• 8 × 2 = 16
• 16 × 2 = 32

Answer: ✅ 32

✅ 3. A train 100m long crosses a pole in 10 seconds. What is the speed of the train?

Formula:
Speed = Distance / Time

Speed=100 m10 sec=10 m/s\text{Speed} = \frac{100 \text{ m}}{10 \text{ sec}} = 10 \text{ m/s}Speed=10 sec100 m=10 m/s

Convert to km/h:

10×185=36 km/h10 \times \frac{18}{5} = 36 \text{ km/h}10×518=36 km/h

Answer: ✅ 36 km/h

✅ 4. If the cost price of 10 pens is equal to the selling price of 9 pens, find the profit percentage.

Let CP of 1 pen = ₹1
Then, CP of 10 pens = ₹10
SP of 9 pens = ₹10
SP of 1 pen = ₹10 ÷ 9 = ₹1.11 (approx)

Profit on 1 pen = ₹1.11 - ₹1 = ₹0.11
Profit% = (Profit / CP) × 100

0.111×100=11.11%\frac{0.11}{1} \times 100 = 11.11\%10.11×100=11.11%

Answer: ✅ 11.11% Profit

✅ 5. Logical reasoning: Which word doesn’t belong in the group? (Apple, Banana, Carrot, Mango)

Explanation:

• Apple, Banana, Mango → Fruits
• Carrot → Vegetable

Answer: ✅ Carrot

✅ 6. A can do a job in 5 days, B in 10 days. How many days will they take together?

Work per day:

• A does 1/5 of work/day
• B does 1/10 of work/day

Combined work/day:

15+110=2+110=310\frac{1}{5} + \frac{1}{10} = \frac{2+1}{10} = \frac{3}{10}51+101=102+1=103

Total time = 1 / (work per day) =

13/10=103=3.33 days\frac{1}{3/10} = \frac{10}{3} = 3.33 \text{ days}3/101=310=3.33 days

Answer: ✅ 3.33 days (or 3 days and 8 hours)

✅ 7. Solve this coding puzzle: Find the output of a small code snippet.

Code Example:

pythonCopyEditfor i in range(1, 4):    for j in range(i):        print(i, end=' ')    print()

Output:

CopyEdit1 2 2 3 3 3

Explanation:

• Outer loop runs from 1 to 3
• Inner loop prints the current value of i, i times

Answer: ✅ Output is as shown above.

✅ HR & Behavioral Interview Questions

✅ 1. Tell me about yourself.

Answer:

I’m [Your Name], a recent graduate in [Your Branch] from [Your College Name]. I have a strong foundation in [mention a few core skills, like Java, Python, DBMS, etc.], and I’ve worked on a few academic projects that strengthened my technical and teamwork skills. I’m passionate about learning and eager to start my career with a reputed company like Wipro where I can contribute and grow professionally.

✅ 2. Why do you want to join Wipro?

Answer:

Wipro is one of the most respected IT services companies globally, known for its innovation, diversity, and learning culture. I believe Wipro provides the right platform for freshers to build strong technical and interpersonal skills. I’m particularly inspired by Wipro’s emphasis on integrity, excellence, and continuous learning – values that align with my own.

✅ 3. What are your strengths and weaknesses?

Answer:

Strengths: I’m a quick learner, a good team player, and I stay calm under pressure. I also pay great attention to detail, which helps me in coding and problem-solving.
Weaknesses: Sometimes I tend to overthink small details in my work, but I’m working on improving my time management and prioritization skills.

✅ 4. Where do you see yourself in 5 years?

Answer:

In 5 years, I see myself as a technically proficient and dependable software professional, ideally with Wipro. I aim to gain expertise in specific technologies and gradually take on leadership or mentoring roles while contributing to impactful projects for the organization.

✅ 5. Describe a challenging situation you faced and how you overcame it.

Answer:

During my final year project, our team faced a major challenge when we lost key data due to a system crash. It was a tough situation, but we stayed calm, divided responsibilities, used backups where possible, and re-coded some modules from scratch. With teamwork and commitment, we recovered and submitted the project on time. It taught me resilience and the value of backup planning.

✅ 6. Are you willing to relocate?

Answer:

Yes, I’m absolutely open to relocation. I believe adapting to new places and cultures is part of personal and professional growth, especially in the IT industry where projects may be spread across different locations.

✅ 7. Why should we hire you?

Answer:

I may be a fresher, but I’m dedicated, fast-learning, and highly motivated. I’m adaptable to new environments and technologies, and I believe my academic background, combined with my passion for coding and learning, make me a good fit for your team. I’m ready to contribute and grow with Wipro.

✅ 8. Do you have any questions for us?

Answer:

Yes, I do. Could you please tell me more about the training and learning opportunities Wipro provides for freshers?
(Alternate: What does the typical career path look like for someone in this role?)

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