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ION Group Interview Questions and Answers for Freshers

Updated 10 Jun 2025
Popular Designations

13 Interview questions

A Technical Analyst was asked 1mo ago
Q. How do you prioritize your tasks?
Ans. 

I prioritize tasks by assessing urgency, impact, and deadlines, ensuring efficient workflow and timely project completion.

  • Assess urgency: I categorize tasks based on deadlines, focusing on those that are time-sensitive first.

  • Evaluate impact: I consider the potential impact of each task on overall project goals, prioritizing high-impact tasks.

  • Use a task management tool: I utilize tools like Trello or Asana to visua...

View all Technical Analyst interview questions
An Intern was asked 10mo ago
Q. How do you insert a node into a linked list?
Ans. 

To insert a node in a linked list, update pointers of previous and new nodes.

  • Create a new node with the data to be inserted

  • Update the next pointer of the new node to point to the next node of the current node

  • Update the next pointer of the current node to point to the new node

View all Intern interview questions
A SDE was asked 10mo ago
Q. You are given an N x N integer matrix board where the cells are labeled from 1 to N*N in a Boustrophedon style starting from the bottom left of the board (i.e. board[N-1][0]) and alternating direction each ...
Ans. 

Snake and ladder is a classic board game where players move their tokens based on the outcome of a dice roll.

  • Players take turns rolling a dice and moving their token along the board.

  • If a player lands on a ladder, they move up to a higher-numbered square.

  • If a player lands on a snake, they move down to a lower-numbered square.

  • The first player to reach the final square wins the game.

View all SDE interview questions
A Software Engineer Intern was asked 10mo ago
Q. Implement a linked list.
Ans. 

Implement a linked list data structure in a programming language

  • Create a Node class with data and next pointer

  • Create a LinkedList class with methods like insert, delete, search

  • Maintain a head pointer to the first node in the list

View all Software Engineer Intern interview questions
A Software Developer was asked 11mo ago
Q. Given the head of a singly linked list, reverse the list, and return the reversed list.
Ans. 

Reverse a linked list by changing the direction of pointers

  • Start with three pointers: current, previous, and next

  • Iterate through the linked list, updating pointers to reverse the direction

  • Update the head of the linked list to be the previous node

View all Software Developer interview questions
A Data Scientist was asked 12mo ago
Q. Write a function to find the longest common prefix string amongst an array of strings.
Ans. 

Find the longest common prefix string from a list of strings.

  • Iterate through the characters of the first string and compare with corresponding characters of other strings

  • Stop when a mismatch is found or when reaching the end of any string

  • Return the prefix found so far

View all Data Scientist interview questions
A Data Scientist was asked 12mo ago
Q. You have three 1GB memory chips and need to store 3GB of data. How would you store the data across these chips so that no data is lost even if one chip is corrupted?
Ans. 

Use RAID 5 to store data across all three memory chips with parity bits for fault tolerance.

  • Implement RAID 5 to distribute data and parity bits across all three memory chips.

  • If one memory chip is corrupted, the data can be reconstructed using the parity bits from the other two chips.

  • Example: Store 1GB of data on each chip and use the remaining space for parity bits to ensure fault tolerance.

View all Data Scientist interview questions
Are these interview questions helpful?
A Data Scientist was asked 12mo ago
Q. What are joins and what are their types?
Ans. 

Joins are used in DBMS to combine rows from two or more tables based on a related column between them.

  • Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.

  • INNER JOIN returns rows when there is at least one match in both tables.

  • LEFT JOIN returns all rows from the left table and the matched rows from the right table.

  • RIGHT JOIN returns all rows from the right table and the matched rows from the lef...

View all Data Scientist interview questions
A Senior Software Engineer 2 was asked
Q. What is the difference between MVC and MVVM?
Ans. 

MVC is a design pattern that separates an application into Model, View, and Controller components. MVVM is a variation of MVC that adds a ViewModel component.

  • MVC separates the application into three components: Model (data and business logic), View (user interface), and Controller (handles user input and updates the model and view).

  • MVVM is a variation of MVC that adds a ViewModel component, which acts as an interm...

View all Senior Software Engineer 2 interview questions
A SDE was asked 9mo ago
Q. What is OOPs? And its properties
Ans. 

OOPs stands for Object-Oriented Programming. It is a programming paradigm based on the concept of objects.

  • Encapsulation: Bundling data and methods that operate on the data into a single unit.

  • 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 show...

View all SDE interview questions

ION Group Interview Experiences for Freshers

19 interviews found

Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed in May 2024. There were 5 interview rounds.

Round 1 - Aptitude Test 

Python Programming related questions, along with one advanced SQL query problem. The final question was a Data Science project on prediting sales potential of various outlets.

Round 2 - Technical 

(4 Questions)

  • Q1. Pattern based - Three memory chips, each of 1GB. You have to store 3GB of data in these chips in such a way that even if one memory chip is corrupted, no data is lost.
  • Ans. 

    Use RAID 5 to store data across all three memory chips with parity bits for fault tolerance.

    • Implement RAID 5 to distribute data and parity bits across all three memory chips.

    • If one memory chip is corrupted, the data can be reconstructed using the parity bits from the other two chips.

    • Example: Store 1GB of data on each chip and use the remaining space for parity bits to ensure fault tolerance.

  • Answered by AI
  • Q2. DSA question - Get the longest common prefix string from a list of strings
  • Ans. 

    Find the longest common prefix string from a list of strings.

    • Iterate through the characters of the first string and compare with corresponding characters of other strings

    • Stop when a mismatch is found or when reaching the end of any string

    • Return the prefix found so far

  • Answered by AI
  • Q3. DBMS question - What are joins and what are their types?
  • Ans. 

    Joins are used in DBMS to combine rows from two or more tables based on a related column between them.

    • Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.

    • INNER JOIN returns rows when there is at least one match in both tables.

    • LEFT JOIN returns all rows from the left table and the matched rows from the right table.

    • RIGHT JOIN returns all rows from the right table and the matched rows from the left tab...

  • Answered by AI
  • Q4. ML and DL question - Activation functions, Exploding and Vanishing Gradient problems, LSTM and GRU models frameworks and differences.
Round 3 - Case Study 

Was taken by the product manager employed in the company. Basic case study question regarding a ride share app planning to expand internationally.

Round 4 - Group Discussion 

A formal orientation and introduction with the VP and founder of ION India

Round 5 - One-on-one 

(2 Questions)

  • Q1. Introduce yourself and mention your work that makes you relevant for the job.
  • Q2. Is there any correlation between algorithms and law?
  • Ans. 

    Algorithms and law can be correlated through the use of algorithms in legal processes and decision-making.

    • Algorithms can be used in legal research to analyze large amounts of data and identify patterns or trends.

    • Predictive algorithms can be used in legal cases to assess the likelihood of success or failure.

    • Algorithmic tools can help in legal document review and contract analysis.

    • However, there are concerns about bias i...

  • Answered by AI

Interview Preparation Tips

Topics to prepare for ION Group Data Scientist interview:
  • DBMS
  • Data Structures
  • Algorithms
  • Machine Learning
  • Deep Learning
  • Python
  • Data Analysis
  • Data Visualization
  • NLP
  • Llm
  • Data Processing
  • Business Intelligence

Skills evaluated in this interview

SDE Interview Questions & Answers

user image Anonymous

posted on 15 Sep 2024

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Aug 2024. There were 4 interview rounds.

Round 1 - Coding Test 

2 coding question on DP and stack . And it had Apti mcqs

Round 2 - Technical 

(3 Questions)

  • Q1. What is OOPs? And its properties
  • Ans. 

    OOPs stands for Object-Oriented Programming. It is a programming paradigm based on the concept of objects.

    • Encapsulation: Bundling data and methods that operate on the data into a single unit.

    • 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 o...

  • Answered by AI
  • Q2. Puzzle question (Egg drop)
  • Q3. Project related questions
Round 3 - Case Study 

A detailed Case Study was given on some shopping mall.

Round 4 - CultureFit Interview 

(1 Question)

  • Q1. Completely related to my projects

Sdet Engineer Interview Questions & Answers

user image Anonymous

posted on 17 Oct 2024

Interview experience
3
Average
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via LinkedIn and was interviewed in Sep 2024. There were 3 interview rounds.

Round 1 - Coding Test 

It was not that hard actually.

Round 2 - Coding Test 

It was not that hard actually

Round 3 - One-on-one 

(2 Questions)

  • Q1. It was Introduction question
  • Q2. Nothing else major part of the interview
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Jul 2024. There were 2 interview rounds.

Round 1 - Coding Test 

There were 2 coding questions - Medium to hard level (dynamic programming and string) and some MCQ's related to Aptitude, English, SQL.

Round 2 - Technical 

(4 Questions)

  • Q1. Introduce Yourself.
  • Ans. 

    I am a passionate software engineering student with experience in web development and a strong interest in machine learning.

    • Currently pursuing a degree in Computer Science

    • Proficient in languages such as Java, Python, and JavaScript

    • Completed internships at tech companies like Google and Microsoft

    • Interested in exploring the intersection of technology and healthcare

  • Answered by AI
  • Q2. Mention one team project and it's challenges and how you overcome those challenges.
  • Q3. Questions related to OOP's
  • Q4. Implement linkedlist
  • Ans. 

    Implement a linked list data structure in a programming language

    • Create a Node class with data and next pointer

    • Create a LinkedList class with methods like insert, delete, search

    • Maintain a head pointer to the first node in the list

  • Answered by AI

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Campus Placement and was interviewed in Jul 2024. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. QUESTION ON DP CONCEPT
  • Q2. QUESTION OF BIT MANIPULATION
Round 2 - Technical 

(2 Questions)

  • Q1. SNAKE AND LADDER PROBLEM
  • Ans. 

    Snake and ladder is a classic board game where players move their tokens based on the outcome of a dice roll.

    • Players take turns rolling a dice and moving their token along the board.

    • If a player lands on a ladder, they move up to a higher-numbered square.

    • If a player lands on a snake, they move down to a lower-numbered square.

    • The first player to reach the final square wins the game.

  • Answered by AI
  • Q2. PUZZLE PROBLEM OF GFG

Skills evaluated in this interview

Intern Interview Questions & Answers

user image jaswanth jangala

posted on 8 Sep 2024

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
-
Result
Not Selected

I applied via Campus Placement

Round 1 - Coding Test 

Questions were asked which were difficult and asked on graphs

Round 2 - Technical 

(2 Questions)

  • Q1. About the OOPs concept
  • Q2. Insertion a node in linkedlist
  • Ans. 

    To insert a node in a linked list, update pointers of previous and new nodes.

    • Create a new node with the data to be inserted

    • Update the next pointer of the new node to point to the next node of the current node

    • Update the next pointer of the current node to point to the new node

  • Answered by AI

Skills evaluated in this interview

Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
No response

I appeared for an interview in Apr 2025, where I was asked the following questions.

  • Q1. What is the solution for the "Two Pill Blind Puzzle"?
  • Q2. How do you prioritize your tasks?
  • Ans. 

    I prioritize tasks by assessing urgency, impact, and deadlines, ensuring efficient workflow and timely project completion.

    • Assess urgency: I categorize tasks based on deadlines, focusing on those that are time-sensitive first.

    • Evaluate impact: I consider the potential impact of each task on overall project goals, prioritizing high-impact tasks.

    • Use a task management tool: I utilize tools like Trello or Asana to visualize ...

  • Answered by AI
Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Campus Placement and was interviewed in Jul 2024. There was 1 interview round.

Round 1 - Technical 

(3 Questions)

  • Q1. Reverse a linked list
  • Ans. 

    Reverse a linked list by changing the direction of pointers

    • Start with three pointers: current, previous, and next

    • Iterate through the linked list, updating pointers to reverse the direction

    • Update the head of the linked list to be the previous node

  • Answered by AI
  • Q2. Theoretical knowledge on data structures,how actually implemented in real word
  • Q3. Oops concepts ,logical puzzels

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

90 min, 20 mcqs and 2 coding questions

Round 2 - Technical 

(2 Questions)

  • Q1. Sebsequence based question
  • Q2. Basic array question

Interview Preparation Tips

Interview preparation tips for other job seekers - prepare well both aptitude and dsa
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Aug 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

Easy to medium level aptitude . DSA question were hard

Round 2 - Coding Test 

Oops + Dsa + puzzles. Oops mainly polymorphism

Top trending discussions

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Interview Tips & Stories
2w
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·
works at
Cvent
Can speak English, can’t deliver in interviews
I feel like I can't speak fluently during interviews. I do know english well and use it daily to communicate, but the moment I'm in an interview, I just get stuck. since it's not my first language, I struggle to express what I actually feel. I know the answer in my head, but I just can’t deliver it properly at that moment. Please guide me
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ION Group Interview FAQs

How many rounds are there in ION Group interview for freshers?
ION Group interview process for freshers usually has 2-3 rounds. The most common rounds in the ION Group interview process for freshers are Technical, Coding Test and Aptitude Test.
How to prepare for ION Group interview for freshers?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at ION Group. The most common topics and skills that interviewers at ION Group expect are Automation Testing, CCTV Monitoring, Client Support, Data Analytics and Supply Chain Management.
What are the top questions asked in ION Group interview for freshers?

Some of the top questions asked at the ION Group interview for freshers -

  1. DBMS question - What are joins and what are their typ...read more
  2. Pattern based - Three memory chips, each of 1GB. You have to store 3GB of data ...read more
  3. Is there any correlation between algorithms and l...read more
How long is the ION Group interview process?

The duration of ION Group interview process can vary, but typically it takes about less than 2 weeks to complete.

Tell us how to improve this page.

Overall Interview Experience Rating

3.8/5

based on 15 interview experiences

Difficulty level

Easy 15%
Moderate 69%
Hard 15%

Duration

Less than 2 weeks 70%
2-4 weeks 30%
View more

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ION Group Reviews and Ratings

based on 191 reviews

3.3/5

Rating in categories

2.9

Skill development

3.3

Work-life balance

3.4

Salary

3.3

Job security

3.1

Company culture

2.8

Promotions

3.0

Work satisfaction

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