Maico Ventilation Interview Questions and Answers

Q1. Salary Expectation
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Q2. Work Experience
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Q3. Relocation Plans
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Codility Test General C# and SQL

Q1. (live coding) Create a class Employees with fields FirstName LastName, DoB, and Gender Return avg age of employees, return avg age by genders
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Create a class Employees with fields FirstName LastName, DoB, and Gender. Return avg age of employees and avg age by genders.
• Create a class Employees with fields FirstName, LastName, DoB, and Gender

• Calculate the average age of all employees

• Calculate the average age by genders
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Q2. What design pattern you know
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I am familiar with design patterns such as Singleton, Factory, Observer, and MVC.
• Singleton pattern ensures a class has only one instance and provides a global point of access to it.

• Factory pattern creates objects without specifying the exact class of object that will be created.

• Observer pattern defines a one-to-many dependency between objects so that when one object changes state, all its dependents are notified and up...read more
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Q3. SOLID principles
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Q4. How to optimize SQL Queries
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Optimizing SQL queries involves using indexes, minimizing data retrieval, avoiding unnecessary joins, and optimizing query structure.
• Use indexes on columns frequently used in WHERE clauses

• Minimize data retrieval by selecting only necessary columns

• Avoid unnecessary joins by using EXISTS or IN clauses instead

• Optimize query structure by using appropriate joins and subqueries
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Q5. Which type of Indexes you know
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Types of indexes include clustered, non-clustered, unique, composite, and filtered indexes.
• Clustered index: Physically reorders the data in the table based on the index key.

• Non-clustered index: Contains a sorted list of references to the table data rows.

• Unique index: Ensures that no two rows have the same values in the indexed columns.

• Composite index: Index that is created on multiple columns.

• Filtered index: Index that...read more
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Q6. Have you ever read SQL Execution Plan?
Ans. 
Yes, I have read SQL Execution Plans to optimize query performance.
• I have analyzed SQL Execution Plans to identify bottlenecks in queries.

• I have used SQL Execution Plans to optimize query performance by understanding how the database engine executes queries.

• I have made query optimization recommendations based on SQL Execution Plans.

• I have experience with tools like SQL Server Management Studio to view and analyze Execu
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Q7. .NET Framework DI 3th party tools
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Q8. Are you familiar with MSUnit, xUnit, nUnit
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Q9. Unit Testing libraries (e.g Bogus, Moq..)
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Q1. What questions do you have?
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Q2. How was your interview's?
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Q3. Why you want to change your job?
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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.

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.

Q1. Email validation question from coding challenge
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Q2. Binary Search on rotated arrays
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Q3. About projects (reason behind using the mentioned database)
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Q4. Use of package.json file
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Q5. What are scripts in package.json file
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Q1. I have around 9 rounds interview in span of 2 months
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Q1. Everyday one round interview
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Q1. Same as above .it is too much
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Q1. Same as above .it is too much
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Q1. Same only .it is too much
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4 member team interview

Q1. One on one interview
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Q1. Reference . through referral I sent my resume
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Q1. Salary discussion
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Q1. It is too much
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Q1. SQL question ( window functions) dense_rank
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Q2. SQL question(window function) aggregation, there were 5 tables and you had to do some joins
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Q3. Some question on spark optimisations
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Q1. Tell me about yourself?
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Q2. Why did you living your current organization?
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Q3. What is your expected CTC?
Ans. 
I am looking for a competitive salary based on my experience, skills, and the responsibilities of the role.
• Research industry standards for similar positions

• Consider cost of living in the area

• Factor in benefits and bonuses offered by the company

• Be prepared to negotiate based on your value to the organization
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Q1. Tell me about yourself?
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I am a results-driven executive with over 10 years of experience in leading teams and driving business growth.
• Experienced executive with a proven track record of success

• Skilled in team leadership and business development

• Strong focus on achieving results and driving growth
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Q2. Why did you living your current organization?
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Q3. How did you manage the night shift and traveling?
Ans. 
I managed the night shift and traveling by prioritizing rest, staying organized, and utilizing technology.
• Prioritized rest by ensuring adequate sleep during the day

• Stayed organized by planning ahead and packing essentials in advance

• Utilized technology for efficient communication and navigation while traveling
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Q4. What do you know about the EXL?
Ans. 
EXL is a leading operations management and analytics company that helps businesses improve performance.
• EXL offers services in areas such as finance and accounting, healthcare, insurance, and more

• They use advanced analytics and technology to drive business transformation

• EXL has a global presence with offices in multiple countries
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Q5. What is Insurance?
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Insurance is a financial product that provides protection against potential risks and losses.
• Insurance involves an agreement between an individual or entity and an insurance company.

• The individual or entity pays a premium in exchange for coverage against specific risks, such as property damage, illness, or liability.

• Examples of insurance include health insurance, car insurance, life insurance, and property insurance.
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Q6. What do you know about the premium?
Ans. 
Premium refers to the amount of money an individual or business pays for an insurance policy.
• Premium is the cost of purchasing an insurance policy

• It is typically paid on a regular basis, such as monthly or annually

• The premium amount is determined by factors such as the type of insurance, coverage amount, and the individual's risk profile
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Q7. What is your current CTC and expectation?
Ans. 
My current CTC is $100,000 and I am looking for a 15% increase in my next role.
• Current CTC: $100,000

• Expectation: 15% increase

• Looking for opportunities in the range of $115,000 - $120,000
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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.

Q1. Speed minimum 30.
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Q2. Accuracy minimum 90 percent.
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Q1. Discussion about the salary.
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Q2. Fixing the package.
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Q1. Salary why not time being paid ?
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Q2. Without any evidence how blaming staff ??
Ans. 
Blaming staff without evidence is unprofessional and can damage morale and trust within the team.
• Avoid jumping to conclusions without concrete evidence

• Encourage open communication and transparency

• Focus on problem-solving rather than assigning blame

• Provide constructive feedback and support to help staff improve

• Lead by example and take responsibility for mistakes
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Q3. Company always carried out theft staff ?
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Q4. No one professional staff in office and overall company ??
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Q5. Why directors board unseen to thefts??
Ans. 
Directors may not always be aware of thefts due to lack of oversight, trust in employees, or focus on other priorities.
• Directors may not be directly involved in day-to-day operations where thefts occur

• There may be a lack of proper oversight or monitoring mechanisms in place

• Directors may trust their employees and not suspect them of theft

• Directors may be focused on other strategic priorities and not pay attention to pot
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