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OPERA Interview Questions, Process, and Tips
Top OPERA Interview Questions and Answers
- Q1. Product Array Puzzle You are given an array of ‘N’ integers. You need to return another array ‘product’ such that ‘product[i]’ contains the product of all the arrays exce ...read moreasked in Software Engineer interview
- Q2. Pair Sum You are given an integer array 'ARR' of size 'N' and an integer 'S'. Your task is to return the list of all pairs of elements such that each sum of elements of e ...read moreasked in Software Engineer interview
- Q3. Game of 3 The Ultimate Ninja Ankush was bored, so his friend Ninja Nikhil decided to give him a puzzle to keep him entertained. Nikil gave Ankush ‘N’ integers and asked h ...read moreasked in Software Engineer interview
4 OPERA Interview Experiences
6 questions found
CodingNinjas
I was interviewed in Apr 2022.
2 Interview Rounds
Video Call Round (1 Question)
Round duration - 60 Minutes
Round difficulty - Easy
Interviewer started with asking me about myself and my family background then he asked me about my preffered location for job , i told him Delhi NCR so he then asked me why Delhi NCR ? He had my written test answer sheet with him , i had left few Dbms question due to limited time in written test , he told me to solve them. Then he asked me about my area of interests ( Data Structures , OOPS , Operating System ) and he asked me , ” What do you mean by loosely coupled?” i explained it well , he was satisfied.
Then he asked me , ” Do you have any question for me ?”. I asked him about work culture in opera solutions , what are the career opportunities and what technologies opera use.
I was selected for next round.
- Q1. Pair Sum You are given an integer array 'ARR' of size 'N' and an integer 'S'. Your task is to return the list of all pairs of elements s...read more View Answers (3)
Video Call Round (3 Questions)
Round duration - 90 Minutes
Round difficulty - Easy
gave me 2 coding question and 1 system designing question to solve.
- Q1. Product Array Puzzle You are given an array of ‘N’ integers. You need to return another array ‘product’ such that ‘product[i]’ contains the product of all the a...read more View Answers (4)
- Q2. Game of 3 The Ultimate Ninja Ankush was bored, so his friend Ninja Nikhil decided to give him a puzzle to keep him entertained. Nikil gave Ankush ‘N’ integers a...read more View Answers (1)
- Q3. System Design Question He gave me a scenario and asked me to design a system for it , it was about 40 mins discussion. He said , ” There are some islands initia...read more Add Answer
Interview Preparation Tips
Tip 1 : Prepare well for subjects
Tip 2 : Prepare for system design
Tip 3 : Practice coding
Tip 1 : Don't lie on resume
Tip 2 : Just write in format that is catchy
Skills evaluated in this interview
Anonymous
3 Interview Rounds
Interview Preparation Tips
Experience: First round was some questions on my resume and Econometrics in particular and a short case
Round: Puzzle Interview
Experience: Round 2 had a puzzle in which I didn’t do very good and so was not called for further rounds.
College Name: IIT Kanpur
1 Interview Round
Interview Questions
- Q1. Number of smart phones sold in a year?
View Answers (1)
- Q2. Number of bouquets sold in a year?
View Answers (1)
Interview Preparation Tips
Experience: They generally ask 'number cases'. If you are selected in opera only then concentrate more on number cases. You can use B-club casebook given on SPO site. Here also, interaction with my buddy was good. The panel member was also from MME and had done some work on continuous casting so there was a healthy discussion on the project topic. Though I solved the case well, I was not qualified for third round.
College Name: IIT KANPUR
1 Interview Round
Interview Preparation Tips
Experience: I was not placed in this company but I would Like to share my experience with you..
Started with the regular question like tell me something about yourself. Mention something you have not written in your resume. What are your favorite pastimes besides the extra-curricular you have mentioned.
CASE STUDY: Estimate the total no. of people in air at a particular moment of time in say for example India. I started by mentioning my approach to which he approved but the real problem came when I was supposed to make calculations. I asked for some nos. to which he asked me to make reasonable assumptions. I took a back seat now and became nervous thinking what if my assumptions are too skewed. Then I made a couple of errors and became less confident. I was not firm on my answer and changed it whenever he said “are you sure?”
College Name: IIT KANPUR
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I applied via Campus Placement
3 Interview Rounds
Aptitude Test Round
It was a MCQ test on CS Fundamentals. We have to answer 50 questions in 40 minutes. Accuracy is must. Company have its own cutoff and it's usually high. So try to gain maximum marks as possible. The results were announced in 1.5 hrs. The selected candidates will be appearing for the coding challenge.
Coding Test Round
There are 5 questions. 1 easy , 3 medium, 1 hard. You should solve atleast 4 questions to get shortlisted for the interview. Results are announced in 2-3 hours. Take a look at these questions. One of the questions from the coding challenge will be asked in the interview.
Technical Round (5 Questions)
- Q1. Email validation question from coding challenge Add Answer
- Q2. Binary Search on rotated arrays View Answers (1)
- Q3. About projects (reason behind using the mentioned database) Add Answer
- Q4. Use of package.json file View Answers (1)
- Q5. What are scripts in package.json file View Answers (1)
Interview Preparation Tips
Skills evaluated in this interview
Selected
10 Interview Rounds
One-on-one Round (1 Question)
- Q1. I have around 9 rounds interview in span of 2 months View Answers (1)
One-on-one Round (1 Question)
- Q1. Everyday one round interview View Answers (1)
One-on-one Round (1 Question)
- Q1. Same as above .it is too much Add Answer
One-on-one Round (1 Question)
- Q1. Same as above .it is too much Add Answer
One-on-one Round (1 Question)
- Q1. Same only .it is too much Add Answer
Case Study Round
4 member team interview
One on one interview Round (1 Question)
- Q1. One on one interview Add Answer
One on one interview Round (1 Question)
- Q1. Reference . through referral I sent my resume Add Answer
HR Round (1 Question)
- Q1. Salary discussion Add Answer
No Round (1 Question)
- Q1. It is too much Add Answer
2 Interview Rounds
Technical Round (2 Questions)
- Q1. Graph theory questions related Add Answer
- Q2. Programming,data structure and algo Add Answer
One-on-one Round (2 Questions)
- Q1. Intro about your self Add Answer
- Q2. Mostly focused on CSE fundamentals Add Answer
I applied via Job Portal and was interviewed in Oct 2024.
1 Interview Round
Technical Round (3 Questions)
- Q1. SQL question ( window functions) dense_rank Add Answer
- Q2. SQL question(window function) aggregation, there were 5 tables and you had to do some joins Add Answer
- Q3. Some question on spark optimisations Add Answer
Interview Preparation Tips
I applied via LinkedIn and was interviewed in Aug 2024.
2 Interview Rounds
Aptitude Test Round
10 Aptitude question to solve within 20 minutes,
1 situation-based question on how do I handle things
One-on-one Round (5 Questions)
- Q1. Why do you wanna quit your current job? View Answers (1)
- Q2. What does a CSM do? View Answers (1)
- Q3. Scenario-based negative questions Add Answer
- Q4. Tell me in depth about your current job role View Answers (1)
- Q5. How do you handle a situation where client is not reaching out to you but others in your org View Answers (1)
Interview Preparation Tips
Selected
I applied via Referral and was interviewed in May 2024.
5 Interview Rounds
HR Round (3 Questions)
- Q1. Tell me about yourself? Add Answer
- Q2. Why did you living your current organization? Add Answer
- Q3. What is your expected CTC? View Answers (1)
One-on-one Round (7 Questions)
- Q1. Tell me about yourself? View Answers (1)
- Q2. Why did you living your current organization? Add Answer
- Q3. How did you manage the night shift and traveling? View Answers (1)
- Q4. What do you know about the EXL? View Answers (1)
- Q5. What is Insurance? View Answers (1)
- Q6. What do you know about the premium? View Answers (1)
- Q7. What is your current CTC and expectation? View Answers (1)
Aptitude Test Round
Aptitude test to check grammar and English fluency. It has different types of questions like passage reading and give the answers of questions from the passage, email writing, essay, grammar sections with fill in the blanks and picture based scenario in which you have to write the steps.
Typing Test Round (2 Questions)
- Q1. Speed minimum 30. Add Answer
- Q2. Accuracy minimum 90 percent. Add Answer
HR Round (2 Questions)
- Q1. Discussion about the salary. Add Answer
- Q2. Fixing the package. Add Answer
Interview Preparation Tips
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