OodlesTechnologies Associate Consultant Developer Interview Questions and Answers

1st round of the company was an online assessment with 40 questions,2 coding questions :- cake distribution problem, Palindrome and else there were 6-7 SQL questions and other were Aptitude questions (basic) whole test was for 1 hr.

Q1. Basic oops, basic questions on loops etc
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Q2. SQL:- add a column on a table, find max salary of employee
Ans. 
Use ALTER TABLE to add a new column and then use MAX function to find the highest salary.
• Use ALTER TABLE statement to add a new column to the table.

• Use MAX function in SQL to find the maximum salary of employees.
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Q3. SUM OF DIGITS OF A NUMBER(DSA)
Ans. 
Calculate the sum of digits of a given number.
• Iterate through each digit of the number and add them together.

• Use modulo operator to extract each digit.

• Repeat until all digits are processed.

• Example: For number 123, sum of digits = 1 + 2 + 3 = 6.
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Q1. Basic question on dot net and sql server
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Q1. Bit twisted and elaborative discussion on various technical spheres.
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They provided a Google Form link in which there were several coding questions that were too basic, like an easy level.

Pen-and-paper coding test. They gave us three questions and 15 minutes to solve simple-level questions.

Q1. Tell me about yourself.
Ans. 
I am a dedicated and passionate software developer with experience in Java, Python, and web development.
• Graduated with a degree in Computer Science

• Completed internships at tech companies

• Developed a mobile app for a school project
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Q2. Oops, related question.
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Q3. Question related to basic math and geometry.
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Q4. Questions related to projects.
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Q5. Questions related to the tech stacks of project
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Q1. Tell me brief introduction
Ans. 
I am a software developer with experience in Java, Python, and web development.
• Proficient in Java programming language

• Skilled in Python scripting

• Experience with web development technologies like HTML, CSS, and JavaScript
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Q2. Aptitude like percentage, etc
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Q3. DBMS keys related questions.
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There are Verbal, logical reasoning, quantitative, coding questions (2 Qtns) and a descriptive essay on "How you used the pendamic duration for study" ( Minimum 200 words) required. And coding questions are DSA Medium level one was: " Find the maximum profit percentage during the buy and sell of stock of a company. ". Verbal round was mostly (4 -5 questions) on make meaning full sentence. All the first round test was conducted on "Xobin online test" platform.

Q1. There are two questions available 1. Write a business solution, technical solution using frontend or back-end technology to overcome the problem a) There is a new metro started in your city but the proble...read more
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Q2. 2nd question was find solution for dynamic seat booking and price change during booking of ticket for a cinema hall.
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Q1. Some questions on DSA like difference between merge sort and bubble sort. Sort available alphabets in a string array from vowel to consonant. In HR round HR will ask about your background and career then a...read more
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Verbal, non-verbal, English and Numerical Aptitude

Q1. OOPs implementation in project
Ans. 
Implemented OOPs concepts like inheritance, encapsulation, and polymorphism in project design.
• Used inheritance to create a base class with common attributes and methods shared by subclasses.

• Implemented encapsulation by restricting access to certain data and methods within classes.

• Utilized polymorphism to allow objects of different classes to be treated as objects of a common superclass.

• Example: Created a class hierarch...read more
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Q2. React hooks like useEffect, useState
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Q3. DBMS Normalization concept like 2NF
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Q1. Some coding based questions.
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Q2. Some technical question related theory.
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Q3. Some pattern based questions.
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Personal platform their is no any functional support .

1 hour both (coding + Aptitude)

Q1. How to perform state management in react
Ans. 
State management in React involves managing and updating the state of components efficiently.
• Use React's built-in state management with setState() method

• Utilize React Context API for managing global state

• Implement Redux for complex state management in larger applications
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