PharmEasy Data Analyst Interview Questions and Answers

Number sires, clock, logic, arithmetic, geometry

Code test basic, ans the basic knowledge, write code

Q1. What is python?
Ans. 
Python is a high-level programming language known for its simplicity and readability.
• Python is widely used for web development, data analysis, artificial intelligence, and scientific computing.

• It emphasizes code readability and uses indentation to define code blocks.

• Python has a large standard library and a vibrant community of developers.

• Example: print('Hello, World!')

• Example: import pandas as pd
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Q2. What is python used for?
Ans. 
Python is a versatile programming language used for data analysis, web development, artificial intelligence, automation, and more.
• Data analysis and visualization

• Web development (Django, Flask)

• Artificial intelligence and machine learning (TensorFlow, PyTorch)

• Automation and scripting

• Scientific computing (NumPy, SciPy)
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Q3. What type of language is python?
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Python is a high-level programming language known for its simplicity and readability.
• Python is an interpreted language, meaning it does not need to be compiled before running.

• It supports multiple programming paradigms, including object-oriented, imperative, and functional programming.

• Python has a large standard library and a thriving community, making it versatile and widely used.

• Example: Python is used for web develop...read more
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Q4. What is oops in python?
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Object-oriented programming (OOP) is a programming paradigm based on the concept of 'objects', which can contain data and code.
• OOP allows for the organization of code into reusable components called classes.

• Classes can have attributes (variables) and methods (functions) associated with them.

• In Python, everything is an object, and classes can be defined using the 'class' keyword.

• Encapsulation, inheritance, and polymorph
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Q5. What is array in python?
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An array in Python is a data structure that stores a collection of elements of the same type.
• Arrays can store elements such as integers, floats, or strings.

• Arrays are indexed starting from 0, with elements accessed using their index.

• Example: arr = ['apple', 'banana', 'cherry']
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SQL query optimisation

Q1. Regular discussion, about job role, why swiggy
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Q1. Tell me About yourself
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Q2. Excel formula sum if countif
Ans. 
Using Excel formula SUMIF and COUNTIF to calculate a sum based on a condition.
• SUMIF function adds the values in a range that meet a specified condition.

• COUNTIF function counts the number of cells in a range that meet a specified condition.

• Combine both functions to calculate the sum based on a condition.
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Q1. SQL, Case study, and puzzles.
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Q1. Ques.1 How many delivery boy have called customers more than 5 times?
Ans. 
The number of delivery boys who called customers more than 5 times is not provided.
• Data on the number of delivery boys who called customers more than 5 times is missing.

• Need to gather data on the number of delivery boys and their call logs.

• Analysis can be done once the data is available.
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Q2. Question 2. Count distinct uniques names from the table
Ans. 
To count distinct unique names from a table, use the SELECT DISTINCT statement with the name column.
• Use SELECT DISTINCT to retrieve unique names

• Specify the name column in the SELECT statement

• Example: SELECT DISTINCT name FROM table_name

• Store the result in an array of strings
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Basic SQL questions

Q1. SQL python and basic statistics
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Problem solving case studies, analytics cases

Q1. Hiring manager round, general HR questions and resume based questions
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