Lenskart Business Analyst Interview Questions and Answers

Technical + Analytics
I gave my coding test this august 2024, it was purely based on SQL coding
8 question, 3 easy, 3 intermediate and 3 hard.

Q1. Introduction and explain any one of the projects plus what was the analytics you used
Ans. 
Implemented a project to optimize marketing campaigns using predictive analytics
• Developed a predictive model to identify the most effective marketing channels

• Utilized data from past campaigns to train the model

• Used techniques such as regression analysis and decision trees to analyze the data

• Generated insights on customer behavior and preferences to improve campaign targeting
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Q2. SQL coding, shared screen and was asked to find cumulative sum of cost for a table.
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Q1. Tell me about a project you faced difficulties?
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Q2. Given a table ..asked some SQL questions
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Q1. Shared a table ...asked to write some SQL queries
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Q2. Sman queries result how to derive in excel
Ans. 
Use Excel functions like VLOOKUP or INDEX/MATCH to derive results from SQL queries in Excel.
• Use VLOOKUP function to search for a value in a table and return a corresponding value from another column.

• Use INDEX/MATCH function to perform a two-way lookup by matching values in two different ranges.

• Import SQL query results into Excel using data connection or copy-paste method.
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Q1. Sql Medium Level questions
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Q2. Easy guesstimates were asked
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Q1. Caee Study was asked
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Q2. Resume grilling was done
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Q1. Why you want to join Ola ?
Ans. 
I want to join Ola because of its innovative technology, market leadership, and potential for growth.
• Ola is a market leader in the ride-sharing industry, which presents exciting challenges and opportunities for a business analyst.

• I am impressed by Ola's focus on innovation and technology, which aligns with my passion for leveraging data and analytics to drive business decisions.

• I believe Ola's fast-paced environment an...read more
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Q2. Salary Negotiation was done
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Basis CAT like aptitude with 2 simple python coding question

Q1. What Central limit theorem
Ans. 
The Central Limit Theorem states that the sampling distribution of the sample mean approaches a normal distribution as the sample size increases.
• States that the sampling distribution of the sample mean will be approximately normally distributed regardless of the shape of the population distribution

• Helps in making inferences about the population mean based on the sample mean

• Important concept in statistics and hypothesis...read more
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Python, SQL, Quant, Statistics, Numpy

Q1. SQL, Python, Puzzle total 9Q
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Q2. Table, Query, 2 puzzle, Python 1 code (4 Sub code)
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Q1. Yet to declare result for the round 2 i feel +ve for round 2 result lets se
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Q1. Find 3rd highest salary using SQL
Ans. 
Use SQL query with ORDER BY and LIMIT to find 3rd highest salary.
• Use SELECT statement to retrieve salary column

• Use ORDER BY clause to sort salaries in descending order

• Use LIMIT 2,1 to skip first two highest salaries and retrieve the third highest salary
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Q2. Queries on self join
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Q1. Questions on Power B, DAX etc.,
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Q1. They will ask about your profile and past experience.
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Q1. A peer level colleague will ask some basic knowledge check questions
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This is literally a live coding test. For analytics expect SQL, python, R.

Q1. Interviewed by a manager of another team
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Q1. Interviewed by dotted line reporting manager
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Q1. Cross functional interview
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Q1. Core Values Interview
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