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TCS iON Interview Questions, Process, and Tips
Updated
3 Mar 2025
Top TCS iON Interview Questions and Answers
- Q1. Minimum Sum in Matrix Problem Statement You are given a 2D matrix 'ARR' of size 'N x 3' with integers, where 'N' is the number of rows. Your task is to compute the small ...read moreasked in Software Developer interview
- Q2. What are the primitive data types in Java?asked in Java Developer interview
- Q3. What is Encapsulation?asked in Assistant System Engineer Trainee interview
TCS iON Interview Experiences
Popular Designations
368 interviews found
Anonymous
Interview experience
Good
Difficulty level
-
Process Duration
-
Result
-
I applied via Campus Placement
Interview Preparation Tips
Interview preparation tips for other job seekers - interview was good
Associate Software Engineer Interview Questions asked at other Companies
Q1. Triplets with Given Sum Problem Given an array or list ARR consisting of N integers, your task is to identify all distinct triplets within the array that sum up to a specified number K. Explanation: A triplet is a set {ARR[i], ARR[j], ARR[k...
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View answer
(2)
Interview experience
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected
I applied via Walk-in and was interviewed in Nov 2024. There was 1 interview round.
Software Engineer Interview Questions asked at other Companies
Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person...
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(205)
TCS iON Interview Questions and Answers for
Freshers
Interview experience
Average
Difficulty level
-
Process Duration
-
Result
-
Interview Preparation Tips
Interview preparation tips for other job seekers - Practice with LeetCode and ensure that everything is reflected on your resume.
Software Development Engineer Interview Questions asked at other Companies
Q1. Given an acyclic graph of a city where each edge represents a road in the city and each vertex represents an crossing. Write an algo to find out the minimum number of vertices at which a policemen will be kept so that all the roads are cove...
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View answer
(2)
Interview experience
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected
I applied via Company Website and was interviewed in Nov 2024. There were 3 interview rounds.
Interview Preparation Tips
Interview preparation tips for other job seekers - Help me find better job opportunities in the life sciences sector.
Process Associate Interview Questions asked at other Companies
Q1. How will you explain a red colour (or any colour) to a person who is blind since his or her birth?
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(21)
TCS iON interview questions for popular designations
Venkata Surya Prasad Madine
Interview experience
Good
Difficulty level
-
Process Duration
-
Result
-
Top TCS iON System Engineer Interview Questions and Answers
Q1. GCD (Greatest Common Divisor) Problem Statement You are given two numbers, X and Y. Your task is to determine the greatest common divisor of these two numbers. The Greatest Common Divisor (GCD) of two integers is the largest positive intege...
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(1)
System Engineer Interview Questions asked at other Companies
Q1. Election Winner Determination In an ongoing election between two candidates A and B, there is a queue of voters that includes supporters of A, supporters of B, and neutral voters. Neutral voters have the power to swing the election results ...
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(9)
Get interview-ready with Top TCS iON Interview Questions
Interview experience
Bad
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected
I applied via Naukri.com and was interviewed in Nov 2024. There were 2 interview rounds.
Top TCS iON Java Developer Interview Questions and Answers
Q1. What are the primitive data types in Java?
View answer
(2)
Java Developer Interview Questions asked at other Companies
Q1. Sort 0 and 1 Problem Statement Given an integer array ARR of size N containing only integers 0 and 1, implement a function to sort this array. The solution should scan the array only once without using any additional arrays. Input: The firs...
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(3)
sudeep patil
Interview experience
Excellent
Difficulty level
-
Process Duration
-
Result
-
I applied via Campus Placement
Interview Preparation Tips
Interview preparation tips for other job seekers - Keep learning every time
Don't vest time
Don't vest time
Top TCS iON Software Developer Interview Questions and Answers
Q1. Minimum Sum in Matrix Problem Statement You are given a 2D matrix 'ARR' of size 'N x 3' with integers, where 'N' is the number of rows. Your task is to compute the smallest sum achievable by selecting one element from each row, following ce...
read more
View answer
(1)
Software Developer Interview Questions asked at other Companies
Q1. Maximum Subarray Sum Problem Statement Given an array of integers, determine the maximum possible sum of any contiguous subarray within the array. Example: Input: array = [34, -50, 42, 14, -5, 86] Output: 137 Explanation: The maximum sum is...
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(42)
Interview experience
Average
Difficulty level
-
Process Duration
-
Result
-
I applied via Campus Placement
Skills evaluated in this interview
C Developer Interview Questions asked at other Companies
Q1. String Transformation Problem Given a string (STR) of length N, you are tasked to create a new string through the following method: Select the smallest character from the first K characters of STR, remove it from STR, and append it to the n...
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View answer
(1)
ANKIT PASWAN
Interview experience
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected
I applied via Campus Placement and was interviewed in Sep 2024. There were 3 interview rounds.
Skills evaluated in this interview
Sdet Engineer Interview Questions asked at other Companies
Q1. Tell me about the projects and knowledge on selenium api and etc?
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(2)
Irene Diana
Interview experience
Excellent
Difficulty level
-
Process Duration
-
Result
-
Senior Modeller Interview Questions asked at other Companies
Q1. How do you make different systems to talk to each other? what are the considerations to design a data product? challenges and scenario based
View answer
(1)
mohit paryani
Interview experience
Good
Difficulty level
Moderate
Process Duration
-
Result
-
System Engineer 3 Interview Questions asked at other Companies
Q1. What is Object Oriented Programming? What is difference between drop and delete? (DBMS question)
View answer
(1)
Top trending discussions
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Career Growth
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dreamyjaadu
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works at
Wipro
Career suggestion
I have 7 YOE. from Delhi
Current CTC - 9.25LPA + 75K varriable.
Working Skillset is Kubernetes and Openstack.
Current - 100% WFH
1. NTT Data- Noida
Hybrid
CTC...
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TCS iON Interview FAQs
How many rounds are there in TCS iON interview?
TCS iON interview process usually has 2-3 rounds. The most common rounds in the TCS iON interview process are Aptitude Test, Technical and HR.
What are the top questions asked in TCS iON interview?
How long is the TCS iON interview process?
The duration of TCS iON interview process can vary, but typically it takes about less than 2 weeks to complete.
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TCS iON Interviews By Designations
- TCS iON Software Developer Interview Questions
- TCS iON System Engineer Interview Questions
- TCS iON Software Engineer Interview Questions
- TCS iON Java Developer Interview Questions
- TCS iON Assistant System Engineer Trainee Interview Questions
- TCS iON Assistant System Engineer Interview Questions
- TCS iON Business Analyst Interview Questions
- TCS iON Softwaretest Engineer Interview Questions
- Show more
Interview Questions for Popular Designations
- Software Developer Interview Questions
- System Engineer Interview Questions
- Software Engineer Interview Questions
- Java Developer Interview Questions
- Assistant System Engineer Interview Questions
- Assistant System Engineer Trainee Interview Questions
- Business Analyst Interview Questions
- Softwaretest Engineer Interview Questions
- Show more
TCS iON Interview Process
based on 341 interviews
Interview experience
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Interview Questions from Similar Companies
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TCS iON Reviews and Ratings
based on 1.3k reviews
Rating in categories
|
Operations Executive
318
salaries
|  ₹1.2 L/yr - ₹6 L/yr |
|
Software Developer
154
salaries
| ₹3 L/yr - ₹12 L/yr |
|
System Engineer
126
salaries
| ₹2 L/yr - ₹9.2 L/yr |
|
Software Engineer
118
salaries
| ₹1 L/yr - ₹9 L/yr |
|
IT Manager
57
salaries
| ₹1.2 L/yr - ₹4.2 L/yr |
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