3i Infotech Intern Interview Questions and Answers

Q1. Explain your projects
Ans. 
I have worked on various projects including developing a mobile app for tracking fitness goals and a web application for managing inventory.
• Developed a mobile app using React Native to track fitness goals and provide workout plans

• Created a web application using Node.js and MongoDB for managing inventory and tracking sales

• Implemented RESTful APIs for communication between front-end and back-end systems
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Q2. What do you know about Artificial Intelligence?
Ans. 
Artificial Intelligence (AI) is the simulation of human intelligence processes by machines, especially computer systems.
• AI involves the development of algorithms that can perform tasks that typically require human intelligence, such as visual perception, speech recognition, decision-making, and language translation.

• Machine learning is a subset of AI that focuses on the development of algorithms that allow computers to ...read more
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Q1. How do u handle situations
Ans. 
I handle situations by staying calm, analyzing the problem, and coming up with a solution.
• Stay calm and composed

• Assess the situation and gather information

• Brainstorm possible solutions and choose the best course of action

• Communicate effectively with others involved

• Implement the chosen solution and evaluate its effectiveness
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Q1. Oops concepts and data structures
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Q2. Dbms questions where based on normalization
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Two questions were asked and answered both

Two programs on Java was asked on loops and collections

There were 45 questions in aptitude test, logical thinking, basic maths, basic codes and output

Q1. Interviewer asked questions related to skills mentioned in resume and about projects done
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Round duration - 60 Minutes
Round difficulty - Medium

Interview was scheduled in afternoon. It was more on OOPs and DSA.

Q1. 
Check If Linked List Is Palindrome
Given a singly linked list of integers, determine if the linked list is a palindrome.
Explanation:
A linked list is considered a palindrome if it reads the same forwar...read more
Ans. 
I gave O(n) both time and space solution using stacks but interviewer asked to optimize it and give clue as well.

I understood the clue and was able to optimise the code. I was not asked to code in this round just had an discussion but few of my peers were asked to write code as well.
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Round duration - 20 Minutes
Round difficulty - Easy

She asked me more about myself and few projects in resume. It was more of formal discussion than an interview round. I was very comfortable and she aksed me about my location preference at end of. Interview.

A paper with around 5-6 coding questions

Q1. Basics of oops, c, and previously given test
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Q1. Projects discussion
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