Paisabazaar.com Data Engineer Interview Questions and Answers

Easy and medium level questions on array linked list

Q1. The hr scheduled a call with the analytics manager ,who asked about my experience and general details ,some background about projects and previous work ,why this job etc .30-40 minutes conversation.
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Q2. Just a casual brief conversation
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Q1. Second round was with a senior analyst ,who asked 5-6 sql related questions , problems to solve etc ,tables to create ,joins ,window functions etc basic sql
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Q2. Very friendly interviewer , you are allowed to google the syntax
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Q1. Another round with the analytics head , case study ,problem solving ,logical reasoning etc.
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Q1. What is mixed design
Ans. 
Mixed design is a research design that combines elements of both quantitative and qualitative research methods.
• Mixed design involves collecting and analyzing both numerical data and non-numerical data.

• It allows researchers to gain a more comprehensive understanding of a research topic by utilizing the strengths of both quantitative and qualitative approaches.

• Examples of mixed design studies include using surveys to col...read more
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Q2. What is Cube mould
Ans. 
A cube mould is a device used in construction to create concrete cubes for testing the compressive strength of concrete.
• Cube moulds are typically made of steel or cast iron and come in various sizes.

• Concrete is poured into the cube mould and allowed to set before being tested for strength.

• The dimensions of the cube mould are standardized to ensure accurate testing results.

• Cube moulds are commonly used in construction p...read more
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Q3. What is M20 grade
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M20 grade is a mix of concrete with a compressive strength of 20 megapascals after 28 days.
• M20 grade concrete is commonly used for residential construction.

• It is a mix of 1:1.5:3 (cement:sand:aggregate).

• The compressive strength of M20 grade concrete is achieved after 28 days of curing.

• It is suitable for foundations, slabs, beams, columns, etc.
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Q1. Js question with code snippets
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Given some ant ui design to reacreate from scretch

Q1. Asked system design for online movie booking plateform
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Quant, LR, puzzles, cat based level 2 questions

Q1. Difference between tuple nd list
Ans. 
Tuple is immutable and ordered, while list is mutable and ordered in Python.
• Tuple is created using parentheses () while list is created using square brackets []

• Tuple elements cannot be changed once assigned, while list elements can be modified

• Tuple is faster than list for iteration and accessing elements

• Example: tuple = (1, 2, 3) and list = [1, 2, 3]
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Q2. How will you cut a cake into 8 equal pieces by 3 cuts
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Q1. Walk me through ur cv
Ans. 
I have a strong background in data analysis with experience in various industries.
• Bachelor's degree in Statistics with a focus on data analysis

• Proficient in SQL, Python, and data visualization tools like Tableau

• Experience working with large datasets and conducting statistical analysis

• Completed internships at XYZ Company and ABC Organization

• Presented findings at industry conferences
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Q2. What have learnt from this experience?
Ans. 
I have learned to effectively analyze and interpret data to derive meaningful insights and make informed decisions.
• Developed strong analytical skills through hands-on experience with various data analysis tools and techniques

• Improved ability to identify trends, patterns, and outliers in data sets

• Enhanced communication skills by presenting findings and recommendations to stakeholders

• Learned to collaborate with team memb
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Q1. Create pagination component using an api show the data for the pages
Ans. 
Create a pagination component using an API to display data for different pages.
• Use API to fetch data for each page

• Implement pagination logic to display data for each page

• Allow users to navigate between pages
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Q1. SQL base Question
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Q2. About your projects
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