Lenskart Product Manager Interview Questions and Answers

Q1. One arithmetic problem, one product design problem based on my hobby, gave me some numbers for the metrics of the product and was asked to analyze.
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Q1. Price & Cost Structure if Flipkart rents heavy home appliances instead of selling. Where can it save money?
Ans. 
Renting heavy home appliances instead of selling - cost-saving measures for Flipkart
• Reduced inventory costs as fewer appliances need to be purchased and stored

• Lower transportation costs as appliances can be rented out from local warehouses instead of being shipped from a central location

• Less need for after-sales service and support as appliances are returned after use

• Potential for higher profit margins as rental fees c...read more
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Q1. Design a smart dialer app ( No voice/NLP).
Ans. 
A smart dialer app that suggests contacts based on time, location, and frequency of calls.
• Uses machine learning algorithms to predict and suggest contacts

• Integrates with calendar and location data to suggest relevant contacts

• Allows users to set preferences and prioritize contacts

• Provides analytics on call history and usage patterns
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Q2. Tell me a situation when you had to convince the founder of the startup about a decision opposing his view.
Ans. 
Convincing a startup founder about a decision opposing his view
• Identified the problem and presented data to support my decision

• Listened to the founder's concerns and addressed them

• Collaborated with the team to come up with a compromise

• Presented a clear plan of action and potential outcomes

• Followed up to ensure the decision was successful
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Q1. Why Product?
Ans. 
Product management is the perfect blend of creativity, strategy, and execution.
• Product management allows me to work on innovative solutions that solve real-world problems.

• I enjoy collaborating with cross-functional teams to bring a product to market.

• Product management provides the opportunity to continuously learn and grow in a dynamic industry.

• I am passionate about creating products that improve people's lives and mak...read more
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Q2. How will you deal with engineering team in a prioritization conflict?
Ans. 
I will collaborate with the engineering team to understand their concerns and work towards a mutually beneficial solution.
• Listen to the engineering team's concerns and priorities

• Explain the business goals and priorities

• Work together to find a solution that meets both business and engineering needs

• Consider the impact on customers and stakeholders

• Communicate the decision and reasoning clearly to all parties involved
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Q3. If given a team of 10 fresher engineers, what criteria will you consider to pick 5 of them to make a feature?
Ans. 
Criteria for selecting 5 fresher engineers for a feature
• Assess their technical skills and knowledge

• Evaluate their ability to work in a team

• Consider their communication and problem-solving skills

• Look for a diverse set of perspectives and backgrounds

• Assess their willingness to learn and adapt

• Consider their passion and motivation for the project
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Facebook’s DAU(Daily Active Users) has been decreasing w-o-w for last 3 weeks. As a growth manager for Facebook, how will you identify and resolve the problem.

Q1. Describe 1 project from your past experience that you like and implemented from end-to-end.
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Q2. Design a movie-booking app for elder people (someone who is not very tech-savvy and just started using smartphones).
Ans. 
A movie-booking app designed for elder people who are not tech-savvy.
• Simple and intuitive user interface with large fonts and buttons.

• Option to book tickets over the phone with customer support.

• Ability to filter movies by genre and language.

• Option to save favorite theaters and movies for easy access.

• Integration with Google Maps for easy navigation to theaters.

• Option to receive reminders for upcoming movies and showtime...read more
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Q1. There is a Product Category on Flipkart which has seasonal demand such as ACs. What stress does this unpredictable seasonal demand have on Flipkart’s supply chain? Assume a Stock and Sell model.
Ans. 
Seasonal demand products like ACs can stress Flipkart's supply chain in a Stock and Sell model.
• The supply chain needs to be prepared for sudden spikes in demand during peak season.

• Inventory management becomes crucial to avoid stockouts or overstocking.

• Logistics and delivery operations need to be optimized to handle increased volume.

• Marketing and promotions should be planned in advance to create demand and avoid excess ...read more
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Q1. Explain the technology architecture from your previous company on product.
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Q2. What was the technology stack used in this product?
Ans. 
The technology stack used in this product includes Java, Spring Boot, React, and PostgreSQL.
• Backend developed using Java and Spring Boot

• Frontend developed using React

• Database used is PostgreSQL

• Other technologies used include Docker and Kubernetes
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Q3. Explain in detail how a particular project from the CV was executed.
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Q4. What parameters will you use to decide the priorities in a feature backlog.
Ans. 
Prioritization of feature backlog based on parameters
• Customer needs and feedback

• Business goals and objectives

• Technical feasibility and complexity

• Market trends and competition

• Impact on user experience and revenue

• Cost and resources required

• Risk and compliance

• Dependencies and timelines

• Value and ROI

• Urgency and criticality
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Q5. What are the major challenges you think you’ll face when working with different stakeholders such as technology, marketing etc. when working as a product manager and how do you plan to overcome these chall...read more
Ans. 
As a product manager, major challenges with stakeholders include communication, prioritization, and alignment.
• Communication: Ensuring clear and effective communication with stakeholders to avoid misunderstandings and delays.

• Prioritization: Balancing the needs and wants of different stakeholders to prioritize features and improvements.

• Alignment: Ensuring all stakeholders are aligned on the product vision, goals, and roa...read more
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Q6. If I asked your best friend, what will he say are your 2 biggest strengths and 2 biggest weaknesses?
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How's ISB going on so far?

You are thinking of creating a startup, you’ve observed Housing Societies have free badminton courts available and there are kids who are looking to play badminton but do not have access to courts. Can you find a way to create value here?

Have you had any problems dealing with people?

You are a PM at Facebook, you notice that the revenue is falling over a period of 2 weeks. What actions would you take next?

How do go about dealing with a situation when you have to convince your superior or say your product manager about a disagreement that you’ve been having regarding [work project] ?

How would you go about launching Gold as a category on Flipkart? What all factors would you keep in mind while launching it?

Q1. Describe the architecture for a product that you’ve worked on? What type of replication were you using (MySQL DB)?
Ans. 
I worked on a product with a microservices architecture using MySQL DB for replication.
• The product had a microservices architecture with each service having its own database.

• We used MySQL DB for replication to ensure data consistency across all services.

• We also implemented load balancing and caching to improve performance.

• The architecture allowed for easy scaling and maintenance of the product.

• Examples of services incl...read more
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Q2. What is your biggest fear? Is it that your feature will not be prioritized?
Ans. 
My biggest fear is not meeting customer needs
• I prioritize customer feedback and needs in my feature development

• I conduct thorough research and analysis to ensure customer satisfaction

• I regularly communicate with customers to gather feedback and make improvements

• I am open to constructive criticism and willing to make changes to meet customer needs
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Q3. How would you deal with Tech-Debt as a PM?
Ans. 
As a PM, I would prioritize tech-debt based on its impact on the product and allocate resources accordingly.
• Identify the areas with the highest tech-debt and prioritize them based on their impact on the product

• Allocate resources to address the high-priority tech-debt items

• Collaborate with the engineering team to come up with a plan to address the tech-debt

• Ensure that the plan to address tech-debt is aligned with the pr...read more
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Increase Gpay txns by 5x

Q1. RCA of 5% drop in google docs
Ans. 
The Root Cause Analysis (RCA) of a 5% drop in Google Docs usage.
• Investigate recent changes or updates to Google Docs that may have caused user dissatisfaction.

• Analyze user feedback and reviews to identify any common issues or complaints.

• Check for any technical issues or bugs that may be affecting the performance of Google Docs.

• Review competitor products to see if there are any new features or improvements that may have...read more
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Q1. What was the most challenging time of your career?
Ans. 
The most challenging time of my career was when I had to lead a cross-functional team to launch a complex product within a tight deadline.
• Leading a cross-functional team

• Launching a complex product

• Working under a tight deadline
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Q2. Why do you want to join cars24?
Ans. 
I want to join cars24 because of their innovative approach to the car buying and selling process.
• I am impressed by cars24's use of technology to streamline the car selling process.

• I believe in the company's mission to provide a transparent and hassle-free car selling experience.

• I am excited about the opportunity to work with a dynamic and talented team at cars24.

• I have heard positive feedback from current employees abo...read more
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Q1. Deep dive into my work, like how did I solve any problem
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Competitive analysis of CARS24

Q1. Cultural fit round
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Q1. The conversation started off with how my day went. We started off discussing whether I use Swiggy or not
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Q2. Once done with design, the next question was about pricing Swiggy Super. How did swiggy come up with Rs. XX for Swiggy Super?
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Q1. 2 interviewers( one was just observing or maybe experiencing how to take interviews). He asked - if Swiggy were to optimize its delivery fleet time, what should Swiggy do?
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Q1. No specific questions - just about the work I did in my previous company, how did I solve product problems, and where do I see myself in 3-5 years.
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Q1. Engagement on Youtube has gone down
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Q2. Estimate number of teacups sold
Ans. 
Estimating the number of teacups sold involves considering factors such as market demand, pricing, competition, and sales channels.
• Analyze historical sales data to identify trends and patterns

• Consider market research and consumer behavior to forecast future demand

• Take into account the impact of pricing strategies, promotions, and discounts

• Evaluate the competition and market share to understand the sales potential

• Factor...read more
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