Eversana Data Analyst Interview Questions and Answers

Aptitude and technical

Q1. Projects,resume and 2 basic coding questions
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Q2. Count the frequency of numbers in an array
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Q3. 2d dictionary python code
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Q1. I was not selected
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The first round had aptitude,logical reasoning questions. There were three coding question of which I remember Jump Game IV.

Q1. They started off with a brief introduction of myself and then asked questions regarding my projects.And this went on - mainly based on projects.
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It contains multiple sections and it also contains coding test section also

Q1. What is gen Ai?
Ans. 
Gen Ai refers to the generation of artificial intelligence that focuses on mimicking human cognitive functions.
• Gen Ai aims to create AI systems that can think, learn, and problem-solve like humans.

• It involves technologies such as natural language processing, machine learning, and neural networks.

• Examples include virtual assistants like Siri and Alexa, as well as self-driving cars.
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Q2. What is cloud and how it works?
Ans. 
Cloud computing is the delivery of computing services over the internet, including storage, servers, databases, networking, software, and more.
• Cloud computing allows users to access and use resources on-demand without the need for physical infrastructure.

• It offers scalability, flexibility, cost-effectiveness, and increased efficiency compared to traditional on-premises solutions.

• Examples of cloud services include Amazo...read more
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Q3. About my projects and asked me to explain?
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Q1. Have you make any Down payment
Ans. 
Yes, I have made a down payment on my car loan.
• Yes, I made a down payment of 20% on my car loan.

• The down payment helped lower my monthly payments.

• I saved up for the down payment over several months.
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Q2. Did you come across any situation like aging invoices pending to process and how you clear that
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Q1. Difference between List and Tuple?
Ans. 
List is mutable, Tuple is immutable in Python.
• List can be modified after creation, Tuple cannot be modified

• List is defined using square brackets [], Tuple is defined using parentheses ()

• Example: list_example = [1, 2, 3], tuple_example = (4, 5, 6)
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Q2. Define a sales forecasting approach?
Ans. 
Sales forecasting approach is a method used to predict future sales based on historical data and market trends.
• Sales forecasting can be done using quantitative methods like time series analysis or qualitative methods like expert opinion.

• It involves analyzing past sales data, market trends, and other relevant factors to predict future sales.

• Different approaches include moving average method, exponential smoothing, regre...read more
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SQL and 2 coding questions

Round 1 consisted of Aptitude and coding questions. Aptitude was doable and coding questions were a bit difficult.

Q1. CV go through. Tell me about your Projects.
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Q2. Explain any supervised and unsupervised algorithm.
Ans. 
Supervised algorithms learn from labeled data while unsupervised algorithms learn from unlabeled data.
• Supervised algorithms are used for classification and regression tasks.

• Examples of supervised algorithms include decision trees, random forests, and support vector machines.

• Unsupervised algorithms are used for clustering and dimensionality reduction tasks.

• Examples of unsupervised algorithms include k-means clustering,
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Q3. Difference between SQL and MySQL
Ans. 
SQL is a language used to manage relational databases while MySQL is a relational database management system.
• SQL is a language used to manage relational databases while MySQL is a relational database management system.

• SQL is a standard language used across different database management systems while MySQL is a specific implementation of a relational database management system.

• MySQL is open-source and free to use while ...read more
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Q1. Where do u see yourself in couple of years and why Eli Lilly.
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Q2. Strengths and weaknesses
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