Markelytics Solutions Interview Questions and Answers

1 question from DSA,
Find no of ways to climb the stairs.
Java collections, Java 8 features and few Spring based aptitude questions

Q1. Find peak element in rotated sorted array
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Q2. Print the pascal triangle pattern
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Q1. Design Custom Hashmap
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Q2. Find sum elements which will appear from left view of Binary tree
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Q1. Question based on current project and experience. Some technical questions about Gradient descent(because mentioned resume)
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Q1. Experience and Expected CTC
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Q1. Can you provide information about yourself, your job profile with your last company, the highest ticket size you managed, and a sales pitch for a given scenario?
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Q1. Mock call was done.
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Q1. Salary negotiation
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Q2. What is your salary expectation and when can you join?
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Q1. How will you find loyal customers for a store like DMart , SmartBazar
Ans. 
Utilize customer transaction data and behavior analysis to identify loyal customers for DMart and SmartBazar.
• Use customer transaction history to identify frequent shoppers

• Analyze customer behavior patterns such as repeat purchases and average spend

• Implement loyalty programs to incentivize repeat purchases

• Utilize customer feedback and reviews to gauge loyalty

• Segment customers based on their shopping habits and preferenc
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Q2. Who is more valuable a customer who is making small transactions everyday or the customer who makes big transactions in a month
Ans. 
It depends on the business model and goals of the company.
• Small transactions everyday can lead to consistent revenue streams and customer engagement.

• Big transactions in a month can indicate high purchasing power and potential for larger profits.

• Consider customer lifetime value, retention rates, and overall business strategy when determining value.
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Q3. What will you do as a data scientist if the sales of a store is declining
Ans. 
I would conduct a thorough analysis of the sales data to identify trends and potential causes of the decline.
• Review historical sales data to identify patterns or seasonality

• Conduct customer surveys or interviews to gather feedback

• Analyze competitor data to understand market dynamics

• Implement predictive modeling to forecast future sales

• Collaborate with marketing team to develop targeted strategies
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Q4. We have to bundle the items together in the units of 2-3 as a single units like chips of 3 packets together. how to identify which items to bundle and number of units. Create a machine learning model for i...read more
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Q5. You are working in a project, where your approach towards problem is more innovative while the rest of the team is following conventional approach. how will you convince them to follow your approach.
Ans. 
I would showcase the potential benefits and results of my innovative approach to convince the team.
• Highlight the advantages of the innovative approach such as improved efficiency, accuracy, or cost-effectiveness.

• Provide real-world examples or case studies where similar innovative approaches have led to successful outcomes.

• Encourage open discussion and collaboration within the team to explore the potential of combining ...read more
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1. A store has promotional offers how will you analyse that offers are working in their favour.
2. What data will you require if you want to predict the sales of the chocolate in a store.
3. Why data is distributed normally in linear regression.
4. Difference between linear and logistic regression
5. A person who is senior to you and you are working on the same project. But that person has very bad reputation of misbehaving and being rude to people. And he is doing same with you. What will you do?

First round Aptitude + Technical questions on CS fundamentals

Q1. Frog jump Dynamic programming question
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Q2. Remove zeroes from a numbers only string and insert at last also maintain the relative order
Ans. 
Remove zeroes from a numbers only string and insert at last while maintaining relative order.
• Iterate through the string and separate numbers and zeroes

• Store numbers in an array and zeroes in a separate array

• Concatenate the numbers array with the zeroes array at the end
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Q3. One sql question on joins
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Basics of market estimations

Q1. Basics on market research
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Q1. Smallest bone in your body
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Q2. ENT expansion with explanation
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Q1. About myself- self intro
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Q2. Questions regarding work location
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Market Research Questions

Q1. What is market research
Ans. 
Market research is the process of gathering, analyzing, and interpreting information about a market, including customers, competitors, and industry trends.
• Involves collecting data on customer preferences, buying habits, and market trends

• Helps businesses make informed decisions about product development, pricing, and marketing strategies

• Includes techniques such as surveys, focus groups, and data analysis

• Examples: conduc...read more
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Q1. Why do you want to join our company?
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