🚀 TCS NQT Most Asked Interview Questions (With Answers) – 2025 Edition
Are you preparing for the TCS NQT Interview?
You're in the right place.
Every year, thousands of students and freshers attempt the TCS National Qualifier Test (NQT), but only a few crack the interview round. I’ve gathered the most asked TCS NQT Interview Questions based on real candidates' experiences across India in 2024-2025.
📌 Bookmark this blog – It’s your TCS Interview Survival Kit.
🧠 TCS NQT Interview Round Breakdown
Technical Round
Managerial Round (MR)
HR Round
👨💻 Most Asked TCS NQT Technical Interview Questions
These questions are usually for CS/IT, MCA, and ECE freshers.
✅ 1. What is the difference between C and C++?
Focus on OOPs, memory management, and procedural vs object-oriented.
✅ 2. Explain OOPs Concepts with real-life examples.
Inheritance (e.g., Father → Son)
Polymorphism (e.g., Same function, different forms)
Encapsulation
Abstraction
✅ 3. What is a pointer? Why is it used in C?
Use diagrams and explain memory addresses and dynamic memory allocation.
✅ 4. Write a program to reverse a string or number.
#include<stdio.h>
int main() {
int n, rev = 0;
scanf("%d", &n);
while(n != 0){
rev = rev * 10 + n % 10;
n /= 10;
}
printf("%d", rev);
return 0;
} ✅ 5. What is the difference between == and === in JavaScript?
TCS has asked this to MCA/Web Dev freshers.
==checks value,===checks value and type.
🔧 Project & Resume Based Questions (Very Common)
What is your final year project? Tech stack? Challenges?
Which part of the project did you work on?
Explain your GitHub projects (if any).
Do you know about SDLC and Agile?
Tip: Prepare 1 backend + 1 frontend + 1 mini Python/Java project well.
📋 Most Asked TCS NQT HR Questions
These are same across locations:
✅ 1. Tell me about yourself.
Make it 90 seconds, crisp, and include:
Education
Tech stack
Projects
Career goal
✅ 2. Why TCS?
Mention:
Stability + Learning
Global opportunities
Training (ILP) program
TCS iON initiatives
✅ 3. Are you willing to relocate/work in night shifts?
Always say YES (unless you have a genuine reason).
✅ 4. What are your strengths and weaknesses?
Pick:
Strengths: Problem-solving, adaptability, fast learner
Weakness: “I focus too much on small details, but I'm improving..."
📌 Bonus: TCS NQT Puzzle/Logic Questions
A train 100m long takes 20s to cross a person. Speed?
Basic probability (deck of cards or coin toss)
Logical patterns (1, 4, 9, 16... what's next?)
📚 Pro Tips to Crack TCS NQT Interview
Prepare 3 languages: C/C++, Java/Python, and basic SQL
Practice DSA basics: arrays, strings, sorting
Be ready with real-life project stories
Build a good LinkedIn + GitHub profile
Give 2–3 mock interviews (you can DM me on LinkedIn for help)
📌 Final Words
TCS is looking for logical thinkers, not just coders.
Practice these questions, keep your answers confident and concise, and you’ll do great!
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