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Tech Mahindra IT (Data Analytics) Interview Questions and Answers
Tech Mahindra IT (Data Analytics) Interview Experiences
1 interview found
Anonymous
Interview Questionnaire
2 Questions
- Q1. Hardware solution assembled,dissembled
- Q2. Data Entry Computer Oparetor
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I applied via campus placement at Shri SSVPSs BNSP Arts and Commerce College, Dhule and was interviewed in Oct 2022. There were 4 interview rounds.
Aptitude tests are often used to assess academic potential or career suitability and may be used to assess either mental or physical talent in a variety of domains.
Coding testIn this Tutorial, we have Provided the Most Common Coding Interview Questions & Answers with Program Logic & Code Examples for you to Practice Programming:
Programming tests to help you hire better developersWhat is a Coding Challenge?If you are looking to land one such job, it is important that you are well-prepared for these challenges.
Interview Preparation Tips
- Tableau
I applied via Campus Placement and was interviewed in Jun 2022. There were 2 interview rounds.
The questions that you will be asked in an aptitude test will vary based on the type of role you are applying for. They may ask you to
(2 Questions)
- Q1. Gerenal interview questions
- Q2. Self introduction ask
Interview Preparation Tips
Apply even if you're not fully qualified.
Job search like it's your job.
Use informational interviews to network.
Set yourself apart with letters of recommendation.
I applied via Company Website and was interviewed in Mar 2021. There was 1 interview round.
Interview Questionnaire
2 Questions
- Q1. Why do you want to be a data analyst?
- Q2. A data analyst's job is to take data and use it to help companies make better business decisions. I'm good with numbers, collecting data, and market research.
Interview Preparation Tips
I applied via campus placement at Hindustan College of Arts and Science, Chennai and was interviewed in May 2021. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. How to assembled interview question
I applied via Naukri.com and was interviewed in Jan 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. What type structural data given by you to the computer program?
- Ans.
I provide structured data in a format that can be easily processed by the computer program.
The data should be organized in a logical and consistent manner.
Common formats include CSV, JSON, and XML.
Examples of structured data include customer information, sales data, and website analytics.
The data should be clean and free of errors or inconsistencies.
The data should be relevant to the problem being solved.
Interview Preparation Tips
Skills evaluated in this interview
I applied via Company Website and was interviewed in Apr 2021. There were 3 interview rounds.
Interview Preparation Tips
Monishka Rai
I applied via campus placement at Vellore Institute of Technology (VIT) and was interviewed in Apr 2024. There were 2 interview rounds.
Questions was related to python only
(5 Questions)
- Q1. The 2nd round was for 15 min my interview was at 11 but interviewer didn't came i was waiting for 2-3 hrs then i leave meeting and after that i got mail that i am having interview at 5 pm then again i join...
- Q2. What is garbage collector in java?
- Ans.
Garbage collector in Java is a program that automatically manages memory by reclaiming unused memory.
Garbage collector is a part of Java Virtual Machine (JVM) responsible for automatic memory management.
It identifies and deletes objects that are no longer reachable or needed by the program.
Garbage collection helps prevent memory leaks and improves performance by freeing up memory for new objects.
Examples of garbage col...
- Q3. What is inheritance?
- Ans.
Inheritance is a concept in object-oriented programming where a class can inherit attributes and methods from another class.
Allows for code reusability and promotes a hierarchical structure
Derived class inherits properties and behaviors from a base class
Can have multiple levels of inheritance
Example: Class 'Dog' can inherit from class 'Animal' and inherit attributes like 'name' and methods like 'eat()'
- Q4. Difference between sql and non sql database?
- Ans.
SQL databases are relational databases that use structured query language, while NoSQL databases are non-relational and do not use SQL.
SQL databases are table-based and have a predefined schema, while NoSQL databases are document-based, key-value pairs, graph databases, or wide-column stores.
SQL databases are good for complex queries and transactions, while NoSQL databases are better for hierarchical data storage.
Examp...
- Q5. What is graphical data?
- Ans.
Graphical data refers to data that is represented visually through graphs, charts, or other visualizations.
Graphical data helps in easily interpreting trends, patterns, and relationships within the data.
Common types of graphical data include bar graphs, pie charts, line graphs, and scatter plots.
It is often used in data analytics to communicate insights and findings effectively to stakeholders.
Graphical data can be cre...
Skills evaluated in this interview
Selected
I applied via Referral and was interviewed in Mar 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Previous Experience Overview
- Ans.
I have experience in data analysis, statistical modeling, and decision-making processes.
Utilized various statistical tools and software for data analysis
Developed predictive models to optimize decision-making processes
Worked on projects involving data visualization and interpretation
Collaborated with cross-functional teams to implement data-driven solutions
- Q2. Technical assessment based on previous experience
(2 Questions)
- Q1. What is people analytics?
- Ans.
People analytics is the use of data and analytical tools to understand, manage, and improve the performance and engagement of employees.
Involves collecting and analyzing data on employee behavior, performance, and engagement
Helps organizations make data-driven decisions related to hiring, retention, training, and performance management
Can include analyzing factors such as employee turnover rates, productivity levels, a...
- Q2. Technologies used and accuracy overview
- Ans.
Various technologies are used in Decision Analytics, such as machine learning algorithms, data visualization tools, and statistical analysis software.
Machine learning algorithms are commonly used to analyze large datasets and make predictions.
Data visualization tools help in presenting complex data in a visually appealing way for better understanding.
Statistical analysis software like R or Python are used for data anal...
Interview Preparation Tips
Skills evaluated in this interview
It was easy to medium level assessment .
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