Paytm Money
20+ VLCC Interview Questions and Answers
You have been given an undirected graph with 'N' vertices and 'M' edges. The vertices are labelled from 1 to 'N'.
Your task is to find if the graph contains a cycle or not.
A pat...read more
Given a binary tree, return the zigzag level order traversal of the nodes' values of the given tree. Zigzag traversal means starting from left to right, then right to left for the next lev...read more
Q3. How an employee contributes to a company to be a brand?
An employee contributes to a company's brand by embodying its values, delivering exceptional customer experiences, and promoting the company's products/services.
By consistently demonstrating the company's values and mission in their work
By providing excellent customer service and ensuring customer satisfaction
By actively promoting the company's products/services through various channels
By participating in brand-building activities and events
By maintaining a positive and profe...read more
Q4. Any suggestions to improve the UI of application? What could be the possible drop off point for an user?
UI can be improved by simplifying navigation and reducing clutter. Drop off points can be confusing forms and slow loading times.
Simplify navigation by reducing the number of clicks required to access features
Reduce clutter by removing unnecessary elements and grouping related features
Ensure forms are easy to understand and fill out
Optimize loading times to prevent user frustration
Use clear and concise language throughout the application
Q5. What strategy will you implement for a specific product? (Detailed discussion)
I will implement a data-driven strategy for the product.
Conduct market research to identify target audience and competitors
Analyze customer data to understand their needs and preferences
Develop a unique value proposition and messaging that resonates with the target audience
Create a comprehensive marketing plan that includes digital and traditional channels
Continuously track and analyze performance metrics to optimize the strategy
Q6. Which channels will you explore for growth marketing?
We will explore various channels including social media, email marketing, content marketing, and referral marketing.
Social media platforms such as Facebook, Instagram, Twitter, and LinkedIn can be used to reach a wider audience and engage with potential customers.
Email marketing campaigns can be used to nurture leads and keep existing customers engaged.
Content marketing can be used to establish thought leadership and attract organic traffic to our website.
Referral marketing c...read more
Q7. Given an integer, print the relevant column name in an excel sheet. Ex: 1- A , 2-B.......... 26-Z , 27-AA, 28-AB........ Was asked code on an ide and test cases were given.
Given an integer, print the relevant column name in an excel sheet.
Create a string array of alphabets from A to Z
Use modulo operator to get remainder and divide by 26 to get quotient
Append the corresponding alphabet to the result string
Reverse the result string
Q8. DSA ZigZag tree traversal OS Architecture of RAM Types of RAM Difference between compiler and interpreter What is a scheduler What is multithreading Disadvantages of FCFS and how can we use RoundRobin to overco...
read moreZigZag tree traversal is a method to traverse a binary tree in a zigzag pattern.
In ZigZag tree traversal, we visit the nodes of a binary tree in a zigzag pattern, moving from left to right and then right to left.
We can use a stack or a queue to implement ZigZag tree traversal.
The algorithm involves maintaining two stacks or two queues to keep track of the nodes at each level.
We start with the root node and alternate between pushing the left and right child nodes into the stac...read more
Q9. Guesstimate on how many people use a certain feature. Metrics to track it's growth.
To estimate feature usage, analyze user data and track metrics such as clicks, views, and engagement.
Collect user data through analytics tools or surveys
Track metrics such as clicks, views, and engagement
Compare usage data over time to identify growth trends
Use A/B testing to measure the impact of feature changes
Consider external factors such as marketing campaigns or seasonality
Example: Use Google Analytics to track clicks on a specific button or page
Example: Survey users to...read more
Q10. SQL Design: There are multiple trains travelling between multiple stations, write a query to find the number of trains between 2 given station.
Query to find number of trains between 2 given stations in SQL design.
Use a JOIN statement to join the tables containing train and station information.
Filter the results based on the given stations.
Count the number of trains in the result set.
Consider the direction of travel and the order of the stations in the query.
Handle cases where there are no trains between the given stations.
Q11. Any tools that I know for in-app marketing?
Yes, there are several tools available for in-app marketing.
CleverTap
Braze
Leanplum
Mixpanel
Amplitude
Q12. First missing positive number in an array of integer in O(n) time O(1) space.
Find first missing positive number in an array in O(n) time and O(1) space.
Traverse the array and mark the presence of each positive integer by changing the sign of the corresponding index.
Traverse the array again and return the index of the first positive integer.
If all integers are present, return the length of the array + 1.
Example: [3, 4, -1, 1] => mark 3rd and 4th index as negative => return 2.
Example: [1, 2, 0] => mark 1st and 2nd index as negative => mark 3rd index as ...read more
Q13. Best in-app practices that I know?
Best in-app practices include personalization, gamification, and social sharing.
Personalization: Tailor the app experience to each user's preferences and behavior.
Gamification: Add game-like elements to the app to increase engagement and motivation.
Social sharing: Allow users to share their achievements and progress on social media for increased virality.
Push notifications: Use push notifications to remind users of the app and encourage them to return.
Simplicity: Keep the app...read more
Q14. Approach to increase application users?
To increase application users, I would focus on optimizing the user acquisition funnel and leveraging social media and referral marketing.
Optimize app store listing and SEO
Run targeted social media ads
Implement referral program with incentives
Partner with influencers or bloggers for promotion
Offer exclusive promotions or discounts to new users
Q15. What we could improve in the Paytm Money app?
We could improve the app by adding more investment options and simplifying the user interface.
Add more investment options such as international funds and commodities
Simplify the user interface by reducing clutter and improving navigation
Provide more educational resources for novice investors
Improve the performance of the app by reducing loading times and fixing bugs
Q16. Define TableView & it's implementation
TableView is a UI component in iOS that displays data in a scrollable list format.
TableView is used to display data in rows and sections.
It is commonly used to present lists of items, such as contacts, messages, or products.
Each row in a TableView is represented by a UITableViewCell.
Data for a TableView is typically provided by implementing the UITableViewDataSource protocol.
TableView can be customized by modifying the appearance of cells, headers, and footers.
Q17. Cycle detection in a directed graph
Cycle detection in a directed graph
Use Depth First Search (DFS) algorithm to detect cycles in a directed graph
Maintain a visited set to keep track of visited nodes
Maintain a recursion stack to keep track of nodes in the current DFS traversal
If a node is visited and is already in the recursion stack, then a cycle is detected
Q18. Zig Zag order traversal of a binary tree
Zig Zag order traversal of a binary tree is a way to traverse the tree in a zigzag pattern.
Start from the root node and traverse the tree level by level.
For odd levels, traverse from right to left.
For even levels, traverse from left to right.
Use a stack to keep track of the nodes to be traversed.
Repeat until all nodes have been visited.
Q19. how to handle fast paced industry
To handle a fast-paced industry, prioritize tasks, delegate effectively, stay organized, and adapt quickly to changes.
Prioritize tasks based on urgency and importance
Delegate tasks to team members to ensure efficiency
Stay organized with to-do lists, calendars, and project management tools
Adapt quickly to changes in the industry by staying informed and being flexible
Q20. How you guide your customer or users
I guide my customers/users by understanding their needs, providing clear instructions and offering support throughout the process.
Listen actively to their concerns and questions
Provide clear and concise instructions
Offer support and guidance throughout the process
Follow up to ensure satisfaction and address any issues
Provide resources and tools to help them succeed
Q21. Binary Tree 2nd largest node
To find the 2nd largest node in a binary tree, we can perform an in-order traversal and keep track of the two largest nodes.
Perform an in-order traversal of the binary tree
Keep track of the two largest nodes encountered
Return the second largest node when traversal is complete
Q22. What is your last experiance
I have 5 years of experience as a Team Manager Operations in a multinational company.
Managed a team of 20+ employees and ensured smooth operations
Developed and implemented strategies to improve productivity and efficiency
Conducted regular performance evaluations and provided feedback to team members
Collaborated with other departments to achieve company goals
Handled customer complaints and resolved issues in a timely manner
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