500+ ODDO BHF Interview Questions and Answers

Yes, I have experience handling end to end requirements under pressure.

• I have successfully managed multiple projects simultaneously, meeting tight deadlines.

• I am skilled at prioritizing tasks and adapting to changing priorities.

• I have experience working in high-pressure environments and delivering results.

• I am able to remain calm and focused under pressure, ensuring tasks are completed efficiently.

I will research potential vendors, reach out to them, and negotiate mutually beneficial partnerships.

• Research potential vendors through online directories, industry events, and referrals

• Reach out to vendors through email, phone, or in-person meetings

• Present the benefits of partnering with our company and negotiate terms

• Maintain positive relationships with vendors to ensure long-term partnerships

• Regularly evaluate vendor performance and seek out new partnerships as needed

Supply chain involves the process of managing the flow of goods and services from the point of origin to the point of consumption.

• Supply chain management includes planning, sourcing, manufacturing, delivery, and returns.

• It aims to optimize efficiency, reduce costs, and improve customer satisfaction.

• Examples of supply chain activities include inventory management, transportation logistics, and supplier relationships.

Find the longest alternating sequence of increasing, decreasing, and increasing numbers.

• Iterate through the array and keep track of the current sequence length and direction.

• If the direction changes, update the sequence length and reset the direction.

• Return the longest sequence length found.

• Example: [1, 2, 3, 2, 1, 2, 3, 4, 3, 2, 1] returns 7 (1, 2, 3, 2, 1, 2, 3).

Find the nearest K integers in a Binary Search Tree

• Perform an in-order traversal of the BST to get a sorted list of integers

• Use a priority queue to keep track of the K nearest integers

• Compare the absolute difference between the target integer and each node value to determine the nearest integers

Managing business crisis requires quick thinking, effective communication, and a solid plan of action.

• Assess the situation and identify the root cause of the crisis

• Communicate with all stakeholders, including employees, customers, and investors

• Develop a plan of action and assign responsibilities to team members

• Implement the plan and monitor progress closely

• Be transparent and honest throughout the process

• Learn from the crisis and make necessary changes to prevent future occurr...read more

Factors for risk management include identifying risks, assessing their impact, developing mitigation strategies, and monitoring progress.

• Identifying potential risks and uncertainties

• Assessing the likelihood and impact of each risk

• Developing strategies to mitigate or manage risks

• Monitoring and reviewing risks regularly

• Implementing contingency plans in case of unexpected events

By providing excellent customer service and creating a positive work environment for employees.

• Listen to customer feedback and address any concerns promptly

• Train employees to prioritize customer satisfaction

• Recognize and reward employees for their hard work

• Create a positive work culture that values employee well-being

• Offer competitive salaries and benefits to attract and retain top talent

I will address conflicts by actively listening, understanding perspectives, finding common ground, and proposing solutions.

• Actively listen to all stakeholders involved to understand their perspectives

• Identify common ground and areas of agreement to build upon

• Propose solutions that address the concerns of all parties involved

• Seek input and feedback from stakeholders throughout the conflict resolution process

My favorite e-commerce app is Amazon because of its wide range of products, user-friendly interface, and fast delivery.

• Wide range of products available for purchase

• User-friendly interface for easy navigation

• Fast delivery options for quick receipt of orders

Inbound calls are received by the company, while outbound calls are made by the company.

• Inbound calls are from customers or clients to the company.

• Outbound calls are from the company to customers or clients.

• Inbound calls are usually related to customer support or sales.

• Outbound calls are usually related to sales or marketing.

• Examples of inbound calls include customer inquiries, complaints, and support requests.

• Examples of outbound calls include telemarketing, follow-up calls,...read more

Supply chain is the process of managing the flow of goods and services from the point of origin to the point of consumption.

• It involves the coordination and integration of various activities such as procurement, production, transportation, warehousing, and distribution.

• Efficient supply chain management can lead to cost savings, improved customer satisfaction, and increased profitability.

• Examples of supply chain management include inventory management, demand forecasting, and ...read more

Transform node values in a tree problem

• Traverse the tree using depth-first search or breadth-first search

• At each node, apply the transformation function to update the node value

• Consider using recursion for tree traversal and transformation

• Example: Increment each node value by 1 in a binary tree

Implementing sorting algorithm using linked list

• Create a linked list data structure to store elements

• Implement the sorting algorithm (e.g. bubble sort, merge sort) using linked list operations

• Update the pointers accordingly to rearrange the elements in sorted order

Test cases for a code that generates a sequence 0,1,1,2,5,7,12,19

• Test for the first element of the sequence (0)

• Test for the second element of the sequence (1)

• Test for a middle element of the sequence (5)

• Test for the last element of the sequence (19)

• Test for an element not in the sequence (3)

Design a datawarehouse for an e-commerce platform to store buy and sell transactions.

• Create separate tables for customers, products, transactions, and orders.

• Use a star schema with a central fact table for transactions and dimension tables for customers, products, and time.

• Include columns for transaction ID, customer ID, product ID, quantity, price, timestamp, etc.

• Implement data normalization to reduce redundancy and improve data integrity.

• Consider using ETL processes to extr...read more

Fresh material feeding on floor as per FIFO

• FIFO stands for First In First Out

• Materials are arranged in order of arrival

• New materials are added to the end of the line

• Old materials are removed from the front of the line

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.

It is estimated that Flipkart makes around 10,000 deliveries in Lucknow city daily.

• Consider the population of Lucknow city

• Estimate the percentage of online shoppers in the city

• Factor in the average number of deliveries made by Flipkart per day

• Take into account the popularity of Flipkart in the city

OOPS (Object-Oriented Programming) concepts are the principles that define the foundation of object-oriented programming languages.

• Encapsulation: Bundling data and methods that operate on the data into a single unit (object).

• Inheritance: Allowing a class (subclass) to inherit properties and behavior from another class (superclass).

• Polymorphism: The ability of different classes to be treated as instances of a common superclass.

• Abstraction: Hiding the complex implementation det...read more

Identify root cause of declining revenues and implement targeted strategies to improve performance.

• Conduct a thorough analysis of the brand's current positioning in the market.

• Identify any external factors impacting the brand's performance, such as changes in consumer behavior or competitive landscape.

• Review the brand's product offerings, pricing strategy, and marketing efforts to identify areas for improvement.

• Develop a targeted action plan to address the identified issues a...read more

A social media platform like WhatsApp for messaging and communication

• End-to-end encryption for secure messaging

• Ability to create groups for group chats

• Voice and video calling features

• Status updates for sharing updates with contacts

• Ability to share photos, videos, and documents

• Read receipts to see if messages have been read

Resolved network connectivity issue for a customer by troubleshooting and implementing a solution.

• Identified network connectivity issue reported by customer

• Analyzed network configurations and hardware components

• Collaborated with team lead to develop a troubleshooting plan

• Implemented solution to resolve connectivity problem

• Received positive feedback from customer on issue resolution

To prevent re-seller fraud, implement strict verification processes, monitor suspicious activities, and establish strong partnerships.

• Implement strict verification processes for sellers, including identity verification and background checks.

• Monitor and analyze seller activities for any suspicious patterns or irregularities.

• Establish strong partnerships with trusted suppliers and distributors to ensure the authenticity of products.

• Utilize technology solutions like AI and machi...read more

Supply chain management involves the coordination and optimization of all activities involved in the sourcing, procurement, production, and logistics of a product or service.

• Involves planning, sourcing, making, delivering, and returning products or services

• Focuses on efficiency, cost reduction, and customer satisfaction

• Requires collaboration with suppliers, manufacturers, distributors, and customers

• Utilizes technology for real-time tracking and data analysis

• Examples: Just-in-...read more

Printing top and right view of a tree

• For top view, traverse the tree in level order and keep track of the horizontal distance of each node from the root. Print the first node encountered at each horizontal distance.

• For right view, traverse the tree in pre-order and keep track of the maximum level seen so far. Print the node whenever a new level is encountered.

• Both views can be printed using a recursive approach as well.

• The output for both views should be an array of strings r...read more

The number of helmets sold in India and on Flipkart can vary based on market trends, consumer preferences, and promotional activities.

• Consider factors such as population size, road safety regulations, and economic conditions in India

• Analyze the market share of different helmet brands in India

• Look at the sales data of helmets on Flipkart and compare it to overall market trends

• Take into account any upcoming festivals or events that may impact helmet sales

Conditional formatting is a feature in spreadsheet applications that allows you to apply formatting to cells based on certain criteria.

• It is used to highlight specific data based on certain conditions

• It can be used to identify trends or outliers in data

• Examples include highlighting cells with values above or below a certain threshold, or cells that contain specific text

• It can also be used to create visual aids such as color-coded heat maps

The correct delivery process for courier packages involves proper labeling, tracking, and timely delivery.

• Ensure the package is properly labeled with the correct address and contact information

• Track the package throughout the delivery process to ensure it reaches the correct destination

• Deliver the package in a timely manner to meet the recipient's expectations

• Obtain a signature or confirmation of delivery to ensure accountability

• Handle any issues or concerns promptly and prof...read more

To reverse a doubly linked list, swap the next and previous pointers of each node.

• Start from the head of the list

• Swap the next and previous pointers of each node

• Update the head and tail pointers accordingly

JOINS are used to combine rows from two or more tables based on a related column between them.

• JOINS are used to retrieve data from multiple tables in a single query

• There are different types of JOINS - INNER, LEFT, RIGHT, FULL OUTER

• JOINS are based on a related column between the tables

• Syntax: SELECT * FROM table1 JOIN table2 ON table1.column = table2.column

Losses in logistics management can occur due to various reasons.

• Inefficient inventory management

• Poor communication between stakeholders

• Inaccurate demand forecasting

• Transportation delays or damages

• Theft or pilferage

• Inadequate packaging or handling

• Lack of contingency planning

• Inadequate training of personnel

• Inefficient use of technology

• Inadequate quality control measures

A zombie process is a process that has completed execution but still has an entry in the process table.

• Zombie processes occur when a parent process does not properly wait for its child process to terminate.

• The zombie process remains in the process table until the parent process reads its exit status.

• Zombie processes do not consume system resources but can accumulate if not properly handled.

• They can be identified using the 'ps' command with the 'Z' status.

• Zombie processes can ...read more

Sort an array of strings by the difference of a given element to each array element.

• Iterate through the array and calculate the absolute difference between the given element and each array element.

• Sort the array based on the calculated differences.

• Return the sorted array.

Kanban is a visual workflow management technique used to improve efficiency and productivity in operations.

• Kanban involves visualizing work on a board with columns representing different stages of the process.

• Tasks are represented by cards that move across the board as they progress.

• Limiting work in progress (WIP) helps to identify bottlenecks and improve flow.

• Kanban promotes continuous improvement and collaboration within teams.

• Popular in agile and lean methodologies.

Operations management involves overseeing and controlling the processes and activities within an organization to ensure efficiency and effectiveness.

• Involves planning, organizing, and supervising the production of goods or services

• Focuses on optimizing resources, improving processes, and meeting customer demands

• Includes aspects such as inventory management, quality control, and supply chain management

• Examples: scheduling production runs, managing inventory levels, ensuring qu...read more

Use a two-pass approach to mark rows and columns with zeros based on existing zeros in the matrix.

• Iterate through the matrix to mark rows and columns with zeros based on existing zeros

• Use two arrays to keep track of which rows and columns need to be zeroed out

• Perform a second pass to update the matrix based on the marked rows and columns

Combining engineering skills with supply chain knowledge enhances problem-solving abilities and efficiency in operations.

• Engineering background provides a strong foundation in problem-solving and analytical skills

• Understanding of technical aspects helps in optimizing supply chain processes and systems

• Ability to apply engineering principles to improve logistics, procurement, and production

• Interest in streamlining operations and enhancing efficiency through data analysis and op...read more

SCM stands for Supply Chain Management. Inventory planning involves forecasting demand, determining optimal inventory levels, and managing stock levels.

• SCM involves the coordination of all activities involved in sourcing, procurement, production, and logistics.

• Inventory planning includes forecasting demand based on historical data, market trends, and customer preferences.

• Determining optimal inventory levels involves balancing the costs of holding inventory against the costs o...read more

SQL is used in data analytics to query, manipulate, and analyze data stored in databases.

• SQL is used to retrieve data from databases using queries.

• It can be used to filter, sort, and aggregate data for analysis.

• SQL can also be used to join multiple tables to combine data from different sources.

• Common SQL functions like SUM, AVG, COUNT, etc. are used in data analytics.

• Example: SELECT * FROM sales_data WHERE date BETWEEN '2021-01-01' AND '2021-12-31';

Find Nth largest element in the BST

• Traverse the BST in reverse inorder and keep track of count

• If count equals N, return the current node's value

• If count exceeds N, stop traversing and return null

• If count is less than N, continue traversing

Types of waste include solid, liquid, organic, recyclable, hazardous, and electronic waste.

• Solid waste: non-liquid, non-soluble materials such as paper, glass, and plastic

• Liquid waste: waste in liquid form, such as wastewater and sewage

• Organic waste: biodegradable waste from plants or animals, such as food scraps and yard waste

• Recyclable waste: materials that can be recycled, such as paper, glass, and certain plastics

• Hazardous waste: waste that poses a threat to public health...read more

There are mainly three types of computer operators: Console Operator, Peripheral Operator, and Systems Operator.

• Console Operator: responsible for operating the computer from the console.

• Peripheral Operator: responsible for operating peripheral devices such as printers, scanners, etc.

• Systems Operator: responsible for monitoring and maintaining the computer system.

• Other types may include Batch Processing Operator, Network Operator, etc.

Risk based method of audit is an approach that focuses on identifying and assessing risks to prioritize audit activities.

• Identifies and assesses risks to prioritize audit activities

• Evaluates the likelihood and impact of risks

• Determines the level of assurance required for each risk

• Tailors audit procedures to address identified risks

• Examples: financial statement audits, IT audits, operational audits

To find if one table is a replica of another table in SQL, compare their structure and data.

• Compare the table schema, including column names, data types, and constraints.

• Check if the tables have the same number of rows and the data in each row matches.

• Compare indexes, triggers, and other database objects associated with the tables.

• Consider any differences in table options, such as partitioning or compression.

• Use SQL queries and commands to perform the comparisons.

Design a 2/3rd Winning game.

• The game should have a clear win condition

• The win condition should be achievable in 2/3rd of the total game time

• The game should have a balanced difficulty level

• The game should have a clear feedback system for the player

• Examples: Chess, Tic Tac Toe, Connect Four

I will handle manpower by effectively delegating tasks, providing clear instructions, monitoring progress, and offering support when needed.

• Delegate tasks based on team members' strengths and skills

• Provide clear instructions and expectations

• Monitor progress regularly and offer support when needed

• Encourage open communication and feedback

• Address any conflicts or issues promptly

NoSQL is non-relational and schema-less while SQL is relational and has a fixed schema.

• NoSQL databases are horizontally scalable and can handle large amounts of unstructured data.

• SQL databases are vertically scalable and are better suited for structured data with complex relationships.

• NoSQL databases are often used in web applications, while SQL databases are commonly used in enterprise applications.

• Examples of NoSQL databases include MongoDB, Cassandra, and Redis. Examples o...read more

Possible reasons for decline in growth of a vertical

• Market saturation leading to decreased demand

• Increased competition from new entrants

• Changes in consumer preferences or trends

• Economic downturn affecting purchasing power

• Lack of innovation or outdated product offerings

SQL is a programming language used for managing and manipulating relational databases to feed dynamic data.

• SQL stands for Structured Query Language

• It is used to communicate with databases to perform tasks such as querying, updating, and deleting data

• SQL can be used to retrieve dynamic data by using variables and parameters in queries

• Example: SELECT * FROM table_name WHERE column_name = 'value'

Logistics is the management of the flow of goods and services from the point of origin to the point of consumption. The hub and spoke method is a transportation system where goods are moved from smaller locations to a central hub before being distributed to their final destination.

• Logistics involves planning, implementing, and controlling the movement and storage of goods and services.

• The hub and spoke method is a transportation system where smaller locations (spokes) are con...read more

I would apologize for the mistake, exchange the wrong product for the right one, and ensure customer satisfaction.

• Apologize for the mistake and acknowledge the inconvenience caused to the customer

• Exchange the wrong product for the right one promptly

• Ensure customer satisfaction by offering any additional assistance or compensation if necessary

Supply chain management involves the coordination and management of all activities involved in the production and delivery of goods and services.

• It includes planning, sourcing, manufacturing, delivery, and returns management.

• Effective supply chain management can improve efficiency, reduce costs, and increase customer satisfaction.

• Examples of supply chain management tools include inventory management software, transportation management systems, and supplier relationship manage...read more

Managing a facility with zero compliance is not recommended and can lead to legal and safety issues.

• Establish a compliance program and ensure all employees are trained on it

• Regularly conduct audits and inspections to identify and address non-compliance issues

• Implement consequences for non-compliance, such as disciplinary action or termination

• Stay up-to-date on relevant regulations and laws

• Partner with a compliance consultant or legal expert for guidance

• Communicate the importa...read more

RTO shipments can be resolved by identifying the reason for return, communicating with the customer, and taking appropriate action.

• Identify the reason for return by checking the RTO shipment details and tracking information.

• Communicate with the customer to understand their concerns and offer a solution.

• Take appropriate action such as reshipping the product, issuing a refund, or providing a replacement.

• Ensure that the issue is resolved in a timely manner to maintain customer s...read more

5S is a workplace organization method and TPM has 8 pillars to improve equipment effectiveness.

• 5S stands for Sort, Set in Order, Shine, Standardize, and Sustain.

• It aims to improve efficiency, safety, and productivity by organizing the workplace.

• TPM's 8 pillars are focused on improving equipment effectiveness and reducing downtime.

• The pillars include Autonomous Maintenance, Planned Maintenance, Quality Maintenance, Training and Education, Early Equipment Management, Safety, En...read more

Safety features in mixers include locking mechanisms, splash guards, and emergency stop buttons.

• Locking mechanisms prevent accidental operation of the mixer.

• Splash guards help contain ingredients and prevent splattering.

• Emergency stop buttons allow for quick shutdown in case of an emergency.

• Some mixers also have overload protection to prevent motor burnout.

• Mixers may have safety interlocks to ensure the bowl is properly in place before operation.

Space utilisation of vehicles depends on their type and capacity.

• Different types of vehicles have varying space utilisation capabilities

• Capacity of a vehicle refers to the maximum weight or number of passengers it can carry

• Examples: Sedans have limited space compared to SUVs, trucks have higher capacity for carrying goods

Secondary sale refers to the sale of a product by a customer who has already purchased it.

• It is a sale that occurs after the initial sale of a product

• It is often driven by customer satisfaction and loyalty

• Examples include repeat purchases, referrals, and upgrades

• It is an important metric for measuring customer lifetime value

Joins are used to combine rows from two or more tables based on a related column between them. Window functions perform calculations across a set of table rows that are related to the current row.

• Joins are used in SQL to combine data from multiple tables based on a related column

• Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• Window functions are used to perform calculations on a set of rows related to the current row

• Examples of window functions include...read more

The number of cars in Madras is constantly changing due to various factors such as population growth, economic conditions, and government policies.

• The number of cars in Madras can be estimated by looking at vehicle registration data from the regional transport office.

• Factors such as population density, income levels, and availability of public transportation can influence the number of cars in Madras.

• The number of cars in Madras is likely to be higher in urban areas compared ...read more

To improve width of sales, focus on expanding product offerings, targeting new markets, enhancing sales strategies, and building strong relationships with customers.

• Introduce new product lines or services to attract a wider range of customers

• Identify and target new market segments to increase sales opportunities

• Enhance sales strategies such as cross-selling, upselling, and bundling to maximize revenue

• Build strong relationships with existing and potential customers to increase...read more

The output of the SQL query is a set of data retrieved from a database based on specified conditions.

• The output will depend on the specific query being asked about.

• It could be a list of names, numbers, dates, or any other data stored in the database.

• The output may be sorted, filtered, or aggregated based on the query's criteria.

Analyzing the financial performance of a retail company

• Review the company's financial statements, including the income statement, balance sheet, and cash flow statement

• Calculate key financial ratios such as profitability ratios, liquidity ratios, and solvency ratios

• Analyze the company's revenue growth, cost structure, and operating expenses

• Assess the company's competitive position and market share

• Identify any potential risks or opportunities for the company

• Provide recommendat...read more

MIS stands for Management Information System.

• MIS is a computer-based system that provides managers with the tools to organize, evaluate and efficiently manage departments within an organization.

• It helps in decision-making, problem-solving, and provides real-time information.

• MIS includes hardware, software, and personnel to process and analyze data.

• Examples of MIS include inventory management systems, sales tracking systems, and customer relationship management systems.

A pivot table is a data summarization tool used in spreadsheet programs like Excel.

• It allows users to quickly summarize and analyze large amounts of data.

• Users can group data by different categories and perform calculations on the summarized data.

• Pivot tables are useful for creating reports and visualizations based on complex data sets.

• For example, a sales team could use a pivot table to analyze sales data by region, product, and time period.

Excel sheet is a spreadsheet program used for organizing, analyzing and storing data.

• It is a software application developed by Microsoft.

• It allows users to create and manipulate data in rows and columns.

• It can perform calculations, create charts and graphs, and analyze data.

• It is commonly used in business, finance, and accounting.

• Examples include budgeting, inventory management, and sales tracking.

I solve problems by actively listening to the customer's concerns, offering solutions, and ensuring a smooth return process.

• Listen attentively to the customer's issue

• Offer appropriate solutions such as replacement, refund, or exchange

• Guide the customer through the return process, ensuring all necessary steps are completed

• Provide exceptional customer service to ensure a positive experience

The solution of profile refers to the resolution of issues or problems related to a particular job profile.

• The solution of profile involves identifying and addressing the challenges faced by employees in their job roles.

• It may involve providing training and development opportunities to enhance skills and knowledge.

• For example, if a BPO executive is struggling with customer service, the solution may involve providing additional training on communication and problem-solving ski...read more

Possible words that can be formed using the phone keypad.

• Use the letters on the phone keypad to form words

• Each number corresponds to a set of letters

• For example, 2 corresponds to ABC

• Possible words include cab, bad, dad, etc.

The minimum value in a stack needs to be found.

• Traverse the stack and compare each element to find the minimum value.

• Use an auxiliary stack to keep track of the minimum value at each step.

• If the stack is empty, return an error message.

To sell a product in least time, focus on targeted marketing, effective communication, and providing value to customers.

• Identify the target audience and tailor marketing efforts accordingly

• Use social media and other digital platforms to reach a wider audience

• Communicate the unique value proposition of the product clearly and concisely

• Offer promotions or discounts to incentivize customers to make a purchase

• Provide excellent customer service to build trust and loyalty

• Leverage c...read more

Delivery boys may receive incentives such as bonuses, tips, or rewards for good performance.

• Bonuses for meeting delivery targets

• Tips from satisfied customers

• Rewards for excellent customer feedback

• Incentives for working during peak hours or holidays

The incentive amount earned per day varies based on performance and targets achieved.

• Incentive amount is typically based on factors like number of deliveries made, customer ratings, and meeting delivery time targets.

• Some companies may offer a fixed incentive amount per delivery or a percentage of the total delivery value.

• Delivery executives can earn additional incentives for working during peak hours or holidays.

• Incentive structure may vary between different delivery companie...read more

User reviews can be sorted based on various criteria such as rating, date, relevance, sentiment, and helpfulness.

• Sort by rating: highest to lowest or vice versa

• Sort by date: newest to oldest or vice versa

• Sort by relevance: based on keywords or user preferences

• Sort by sentiment: positive to negative or vice versa

• Sort by helpfulness: most helpful to least helpful

Standard deviation is a measure of the dispersion or variability of a set of values from the mean.

• It quantifies the amount of variation or spread in a dataset.

• It is calculated as the square root of the variance.

• A higher standard deviation indicates greater variability in the data.

• It is commonly used in statistics and probability theory.

• For example, in a dataset of test scores, a high standard deviation suggests that the scores are widely spread out from the average.

The weight of an aircraft is crucial for its performance and safety.

• The weight of an aircraft includes the weight of the aircraft itself, fuel, passengers, cargo, and any other equipment on board.

• The weight of an aircraft is measured in pounds or kilograms.

• The weight of an aircraft affects its takeoff and landing performance, as well as its fuel efficiency and range.

• Aircraft manufacturers provide maximum takeoff and landing weights for each model of aircraft.

• Pilots must calcu...read more

The sumif function is used to calculate the sum of a range of cells that meet specific criteria.

• The sumif function takes three arguments: range, criteria, and sum_range.

• The range is the range of cells to be evaluated for the criteria.

• The criteria is the condition that must be met for a cell to be included in the sum.

• The sum_range is the range of cells to be summed if the corresponding cells in the range meet the criteria.

• For example, to calculate the sum of all sales greater ...read more

E-commerce refers to buying and selling goods or services over the internet.

• E-commerce allows businesses to reach a global audience

• It involves online transactions, digital marketing, and logistics

• Examples include Amazon, eBay, and Alibaba

Selling products on e-commerce involves creating a user-friendly website, optimizing product listings, utilizing digital marketing strategies, and providing excellent customer service.

• Create a user-friendly website with easy navigation and clear product descriptions.

• Optimize product listings with high-quality images, detailed descriptions, and relevant keywords.

• Utilize digital marketing strategies such as social media advertising, email marketing, and search engine optimizati...read more

Implement an in-memory backend for a social media app

• Use a data structure like a hashmap to store user profiles, posts, and relationships

• Implement functions for creating, updating, and deleting user profiles and posts

• Handle relationships between users such as following and friend requests

Process synchronization is a mechanism which ensures that two or more processes do not execute a specific portion of code simultaneously.

• Preventing race conditions

• Ensuring data consistency

• Implementing mutual exclusion

• Using synchronization primitives like mutex, semaphore, etc.

• Example: In a multi-threaded application, synchronization is used to prevent multiple threads from accessing shared resources concurrently.

Flipkart is an Indian e-commerce company that sells a wide range of products online.

• Founded in 2007 by Sachin Bansal and Binny Bansal

• Acquired by Walmart in 2018

• Offers products in various categories such as electronics, fashion, home appliances, and more

• Provides various payment options including cash on delivery, credit/debit cards, and net banking

• Has a loyalty program called Flipkart Plus for frequent shoppers

Inventory refers to the stock of goods or materials that a company holds for production, sales, or distribution purposes.

• Inventory is the collection of items or products that a company has in stock.

• It includes raw materials, work-in-progress goods, and finished products.

• Inventory is essential for meeting customer demand and ensuring smooth operations.

• It helps in avoiding stockouts and managing production and distribution efficiently.

• Examples of inventory include clothing in a...read more

Find kth node from last in single linked list

• Traverse the list to find the length of the list

• Traverse again to the (length - k)th node

• Use two pointers, one starting from head and other from (length - k)th node to optimize

• Handle edge cases like k > length or empty list

Onboarding sellers on Flipkart involves creating seller accounts, providing training on platform usage, and ensuring compliance with policies.

• Create seller accounts by providing necessary information and documentation

• Provide training on how to list products, manage orders, and handle customer queries

• Ensure sellers comply with Flipkart's policies and guidelines to maintain quality standards

• Offer support and assistance to sellers throughout the onboarding process

• Monitor seller ...read more

Using licenses in grocery stores helps ensure compliance with regulations and quality standards.

• Licenses are required for selling certain products like alcohol, tobacco, and pharmaceuticals.

• Having the proper licenses demonstrates a commitment to following regulations and maintaining quality standards.

• Licenses may also be needed for food handling and safety practices.

• Examples include liquor licenses for selling alcohol, tobacco licenses for selling tobacco products, and health...read more

Customer service is the provision of assistance and support to customers before, during, and after a purchase.

• It involves addressing customer inquiries and complaints

• Providing information about products or services

• Resolving issues and ensuring customer satisfaction

• Examples include phone support, email support, live chat, and in-person assistance

The Amazon River is considered the best river in the world due to its length, biodiversity, and importance to the ecosystem.

• The Amazon River is the longest river in the world, spanning over 4,345 miles.

• It is home to a vast array of plant and animal species, making it one of the most biodiverse rivers on the planet.

• The Amazon River plays a crucial role in regulating the Earth's climate and is often referred to as the 'lungs of the Earth' due to its vast rainforest that produce...read more