MINTIFI Intern Interview Questions and Answers

Q1. How well do you know python
Ans. 
I have a strong understanding of Python and have used it extensively in various projects.
• Proficient in Python syntax and data structures

• Experience with popular libraries like NumPy, Pandas, and Matplotlib

• Developed web applications using Django framework

• Used Python for automation and scripting tasks
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2 Ds questions. About Linked list ans arrays and some aptitude questions.

Q1. Implement Merge Sort algo
Ans. 
Merge Sort is a divide and conquer algorithm that divides the input array into two halves, sorts them recursively, and then merges the sorted halves.
• Divide the array into two halves

• Recursively sort each half

• Merge the sorted halves back together
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Q2. Two sum problem in optimised form
Ans. 
The Two Sum problem involves finding two numbers in an array that add up to a specific target.
• Use a hashmap to store the difference between the target and each element in the array.

• Iterate through the array and check if the current element's complement exists in the hashmap.

• Return the indices of the two numbers that add up to the target.
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Q1. Discussion about the projects in resume
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Q2. NoSql Vs Sql , advantages and disadvantages
Ans. 
NoSQL databases are non-relational, flexible, and scalable, while SQL databases are relational, structured, and consistent.
• NoSQL databases are schema-less, allowing for flexibility in data models.

• SQL databases use structured query language for data manipulation and retrieval.

• NoSQL databases are horizontally scalable, making them suitable for big data applications.

• SQL databases are vertically scalable, which can be more...read more
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Q1. Are you comfortable working late hours?
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Q2. Yes, Because I complete my work with dedication and commitment.
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Consisted of basic dsa questions and time complexity questions

4 dsa questions to be solved in one hour

The aptitude round consists of approx 20 q's, out of which half the q's were based on LR and aptitude and half based on computer fundamentals.

The coding test consisted of 4 q's. The selection criteria was to complete at least 3 q's.

Q1. Tell me something about yourself
Ans. 
I am a passionate software engineer with experience in developing web applications using various technologies.
• Experienced in developing web applications using HTML, CSS, JavaScript, and frameworks like React and Angular

• Proficient in backend development with Node.js and databases like MongoDB and MySQL

• Familiar with version control systems like Git and project management tools like Jira
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Q2. Questions on React.js, as i had build projects using react.js.
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Q1. It was one-on-one round with the CTO. They judged me on my technical knowledge as well as understanding of tech-era.
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Q2. I was asked question related to the languages and tech-stacks I mentioned in my resume and also question related to OOPs concepts.
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50 mcq were asked in 12 mins. Most of the candidates qualified this round.

3 coding questions of basic DSA were asked. Also few mcqs from Operating System, Networking and DBMS.

Q1. The technical round was of 40 mins. 3 standard questions from DSA were asked for which only approach was enough. Questions were from string, array and tree- Rotated string, Lowest common ancestor, etc.
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Q2. Project related discussion regarding my role in the team.
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Q3. A few HR questions related to family background. Why not go for higher studies like the rest of my family. Had to convince him that I saw more growth in working for an organisation.
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Q1. My introduction then, standard HR questions like where do i see myself in coming yrs, why do i want to join the company, etc. It lasted 10 mins
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45 mins, Basic aptitude , comprehension and decision making questions

Q1. Questions related to databases, DSA - medium, SQL Queries
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