Internshala Interview Questions, Process, and Tips

Print odd numbers and even numbers.

Q1. What is ur name
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Q2. Basapuram Thanuja
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Q1. What is Left Join?
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Left Join is a type of join operation in SQL that returns all rows from the left table and the matched rows from the right table.
• Left Join combines rows from two tables based on a related column between them.

• It includes all rows from the left table, even if there are no matches in the right table.

• If there are no matches, NULL values are included for columns from the right table.

• Example: SELECT * FROM table1 LEFT JOIN t
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Q2. What is the Execution Order in SQL Queries?
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SQL queries are executed in a specific order to ensure accurate results.
• SQL queries are executed in the following order: FROM, WHERE, GROUP BY, HAVING, SELECT, ORDER BY.

• The FROM clause specifies the tables involved in the query.

• The WHERE clause filters the rows based on specified conditions.

• The GROUP BY clause groups the rows based on specified columns.

• The HAVING clause filters the grouped rows based on specified condi...read more
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Q3. The 25 Horse Problem.
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Q4. A problem related to relative speed.
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Q5. Describe the project you worked on.
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Developed a predictive analytics model for customer churn in a telecom company.
• Collected and cleaned customer data from various sources

• Performed exploratory data analysis to identify patterns and trends

• Built a machine learning model to predict customer churn

• Evaluated the model's performance using metrics like accuracy and precision

• Provided actionable insights to reduce customer churn rate
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Q6. What approach did you take and why?
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I took a structured approach by first defining the problem, collecting relevant data, analyzing the data, and then presenting findings.
• Defined the problem statement clearly to understand the scope of analysis

• Collected relevant data from various sources such as databases, surveys, and external research

• Analyzed the data using statistical tools and techniques to derive insights

• Presented findings in a clear and concise man
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Q7. Which machine learning models did use see and why?
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I have experience with various machine learning models such as linear regression, decision trees, random forests, and neural networks.
• Linear regression is used for predicting continuous outcomes.

• Decision trees are used for classification and regression tasks.

• Random forests are an ensemble method that combines multiple decision trees for improved accuracy.

• Neural networks are used for complex pattern recognition and pred
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Q1. Basic interview questions only
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Q2. Basic coding questions only
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Q3. Besic Oops interview questions
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Q4. Basic data type questions
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Q5. Basic string coding question
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Q1. Introduce Yourself,Write a code to find repeative characters in a String
Ans. 
I am a software engineering student with a passion for coding. Here is a code to find repetitive characters in a string.
• Iterate through the characters in the string and store their occurrences in a HashMap.

• Check the HashMap for characters with occurrences greater than 1 to find repetitive characters.

• Return the repetitive characters as an array of strings.
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Q2. Hi this is my name and qualification and experience
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Basic aptitude test, 2 coding questions based on arrays. One was easy other was hard

Q1. Tell me about arrays
Ans. 
Arrays are a data structure that stores a collection of elements of the same data type in contiguous memory locations.
• Arrays have a fixed size determined at the time of declaration.

• Elements in an array are accessed using an index starting from 0.

• Arrays can store primitive data types or objects.

• Example: String[] names = {"Alice", "Bob", "Charlie"};
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Q2. How does a linked list function
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A linked list is a data structure where each element points to the next element in the sequence.
• Each element in a linked list, called a node, contains data and a reference to the next node in the sequence.

• Linked lists can be singly linked (each node points to the next node) or doubly linked (each node points to both the next and previous nodes).

• To traverse a linked list, you start at the head node and follow the refere...read more
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Q1. Tell me about yourself
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I am a creative and detail-oriented UI/UX designer with a passion for creating user-friendly and visually appealing designs.
• Experienced in creating wireframes, prototypes, and mockups

• Strong understanding of user-centered design principles

• Proficient in Adobe Creative Suite and Sketch

• Excellent communication and collaboration skills

• Passionate about staying updated on industry trends and best practices
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Q2. What is the last experience and what did you learnt?
Ans. 
I recently redesigned a mobile app interface for a local restaurant.
• Conducted user research to understand customer preferences

• Implemented feedback from usability testing to improve design

• Collaborated with developers to ensure smooth implementation
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