GrayOpus Technologies Software Developer Interview Questions and Answers

MCQ - 20 (aptitude), 20(c+ and sql)

Pattern, array and sql questions

Q1. Intro about Experience
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Q2. Knowledge on tools
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Q1. Sdfsfd kjdk dvfikjsf vsjv
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Q2. Sdjvks sdkvjsk skdcj
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Usual Leet code problems

System Design Questions

System Design Questions

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
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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Basic coding questions (non-DSA) - Basic questions to reverse a string, check if string is palindrome, etc. If you have basic coding skills, you'll easily clear this round

Q1. Interview with CEO - Questions were asked based on technical skills - basic questions related to Database, backend technologies.
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Q2. Behavioral questions will be asked
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JavaScript, React Js

Q1. How many years of relevant experience
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Q2. What is your current CTC
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Q3. What is your Expectation
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Q1. What is your Strength
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Q2. What is weakness
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One weakness I have is that I can be overly critical of my own work, which can sometimes lead to self-doubt.
• I tend to overthink things and can be indecisive at times

• I have a tendency to take on too many tasks at once, leading to feeling overwhelmed

• I struggle with public speaking and often get nervous in front of large groups
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Q3. What is your Goal
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Round duration - 20 minutes
Round difficulty - Easy

This was the MCQ round and consisted of 19 MCQ's.

Round duration - 90 minutes
Round difficulty - Easy

This was face to face interview round and was held after the aptitude and GD round. It was in the evening. 
 

Q1. Detect loop
  Detect loop in a linked list.
Ans. 
• Firstly I gave the interviewer a hashing solution but that was taking extra space so the interviewer asked me to reduce its time complexity thereafter I gave him the Floyd algorithm approach using two pointers that are fast and slow.
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Q2. MergeSort Linked List
Merge sort on Linked List.
Ans. 
• It was a simple one, I firstly explained to him the approach of merge sort using recursion and then wrote him a proper neat and clean code on paper.
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