Zentree Labs Software Trainee Intern Interview Questions and Answers

Q1. How to rotate a matrix?
Ans. 
To rotate a matrix, transpose it and then reverse each row or column depending on the direction of rotation.
• Transpose the matrix by swapping elements across the diagonal

• For clockwise rotation, reverse each row of the transposed matrix

• For anti-clockwise rotation, reverse each column of the transposed matrix
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Q2. How to find a particular element in a sorted array?
Ans. 
Use binary search to efficiently find a particular element in a sorted array.
• Start by comparing the target element with the middle element of the array.

• If the target element is less than the middle element, search the left half of the array.

• If the target element is greater than the middle element, search the right half of the array.

• Repeat the process until the target element is found or the search space is empty.
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Q1. Linked list question to detect cycle
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Q2. Basic questions from JS
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Q1. Some questions related to my projects
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Q2. Some Questions related to my past experience
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Q1. They ask me about my previous job description details and education details
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Q2. About carrier goals
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Q3. About my responsibility in side the current company
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Q1. They ask me about core concept of react js and next js
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Q2. Ask me about core concepts of mongo Db and Node js
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Q1. They told me about company curriculum, goals and ethics
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Q1. OOP questions SQL Questions Programming structure
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Q1. SQL questions MVC and C# related questions
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Q1. Your life, about you, college family and friend your likes and dislikes and your previous employers
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Q1. Strecture of sql statement
Ans. 
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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Develop a UI screen with 10 fields on it.

Q1. Mongoose Framework, SQL - Store Procedures, Triggers, Views, Crystal Reports,
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Q1. Offer letter discussion. Joining date discussion.
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Q1. 1. Introduce Yourself?
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Q2. 2. Why we should hire you?
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