Blue Zone Systems Software Developer Intern Interview Questions and Answers

Reasoning , maths , coding, english

Java python css c programming sql, html.

Water scarcity, 3 mins , name-area-parents-topic

Q1. Tell me 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 MySQL and MongoDB

• Familiar with version control systems like Git and deployment tools like Docker

• Strong problem-solving skills and ability
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Q2. What is your background
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I have a Bachelor's degree in Computer Science and 5 years of experience in software development.
• Bachelor's degree in Computer Science

• 5 years of experience in software development
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There was total of 40 questions
First 20: Aptitude based topics like time and work, profit and loss, speed and distance
Second 20: Programming MCQs based on C, C++ and python. Task is to guess the correct output and errors.

There were 4 coding questions based on array, 2 SQL queries and one article.
Coding questions were easy for batch 2 but difficult for batch 1. Star patterns are present in batch 1.
SQL queries were easy.
One article (200-300)words. Topics was Google maps.

Q1. Founder came and asked approach I used to solve coding questions in round 2. He then check the output for each question. Then he checked the SQL queries I have written, in which I had write two wrong queri...read more
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Q2. He asked me about different approaches to solve a problem
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Q3. He asked about the project I had done on Java Full stack.
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Q1. Spark architecture.
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Q2. Narrow and wide transformations
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Giva a Full stack project. based on MERN AND MEAN stack

Q1. Dsa , were easy to medium
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Q2. Some backend and azure related questions
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Q1. Strecture of sql statement
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SQL statements are used to interact with databases by performing operations like querying, updating, and deleting data.
• SQL statements are made up of keywords like SELECT, INSERT, UPDATE, DELETE, etc.

• They are structured in a specific order, with clauses like WHERE, ORDER BY, GROUP BY, etc.

• Tables are referenced using their names, and conditions are specified to filter data.

• Joins can be used to combine data from multiple
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Some array and string questions. Like make string camelCase.

Q1. Angular basic questions:- DI, Lazy loading, Lifecycle hooks
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Q2. Create Carrom board using html and css.
Ans. 
Carrom board can be created using HTML and CSS by designing the board and pieces with appropriate dimensions and colors.
• Create a div element for the board and set its dimensions

• Add div elements for the pockets and center circle

• Create div elements for the pieces and set their dimensions and colors

• Use CSS to style the board and pieces with appropriate colors and borders
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Q3. Pattern printing question
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