COOX Web Development Intern Interview Questions and Answers

Easy, simple aptitude questions. 50 questions had to be solved in 15 minutes.

Hackerrank test. MCQs on DSA. 1 coding question and two SQL queries.

Q1. Technical + Managerial round of around 1 hour. Questions were asked mostly on resume and projects done.
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Q1. Questions on basics of data structures and database.
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Basic DSA questions related to string and hashmap

Q1. Return true if the sentence use all the vowels else false
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Q2. When to use BFS, DFS and basic DSA questions?
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There were many questions to be solved within an hour, but the expectation was to solve maximum you can.

1 DSA based and 2 SQL coding questions with 5/6 DSA based MCQs

Q1. Write a python code to find missing element ranging from 0 to 100. Write a SQL query to fetch data from multiple tables. Questions based on types on Joins in SQL, Stored Procedures, Views and importance o...read more
Ans. 
Python code to find missing element and SQL query for fetching data from multiple tables.
• Python code to find missing element: Use set difference to find missing elements in range 0 to 100.

• SQL query for fetching data from multiple tables: Use JOINs like INNER JOIN, LEFT JOIN, or CROSS JOIN to combine data from multiple tables.

• Types of Joins in SQL: INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL JOIN.

• Stored Procedures: Precompi...read more
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A Google Form-based Aptitude Test with Basic Questions

Q1. Asked Basic Time Complexity and DSA Questions like Time Complexity Of quick sort use of stack Data Structure etc
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It was the final round asked to do a medium-level coding Question to convert a number such as 244 to word i.e Two Hundred and Forty four

Q1. It was 1 hr technical round for iOS Developer role. Questions related to project I am working, iOS Development questions like (process of publishing app, push notifications and its uses, Delegates how to u...read more
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Q1. It was 30 min managerial round with one of the technical manager of MRI. Asked technical questions based on my projects. And then tricky questions like why you want to join, why we should hire you, where d...read more
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Naaptol

Naaptol

Naaptol

Study ing information

Q1. Which place are you studying
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Q2. Which subject are u interested
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Q3. Which place are you born
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Q4. Iam born in chamadala(v),jaladhanki (m)
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Q5. Are you complete your graduation
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It was good , 2 questions are there to code.

Q1. Cs fundamental, Projects, coding.
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Q2. A simple coding question of string using map
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Q1. What is React router. what does it do.
Ans. 
React Router is a popular routing library for React applications.
• React Router is used for handling navigation in React applications.

• It allows defining multiple routes in the application and rendering different components based on the URL.

• React Router provides components like BrowserRouter, Route, Switch, and Link for routing.

• Example: will render the About component when the URL
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Q2. Questions based on react basics.
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A simple Google form assignment to shortlist candidates

Q1. ML related questions
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Q2. Find duplicates in array
Ans. 
Use a hash set to find duplicates in an array of strings.
• Create a hash set to store unique elements.

• Iterate through the array and check if each element is already in the hash set.

• If it is, then it is a duplicate.

• Example: ['apple', 'banana', 'apple', 'orange'] should return 'apple' as a duplicate.
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