1000+ Intern Interview Questions and Answers

It is difficult to estimate the exact number of customers gained by Flipkart due to the Big Billion Day sale.

• Flipkart reported a 65% increase in new customers during the sale period.

• The company claimed to have sold 10 million products in the first hour of the sale.

• Many customers may have made repeat purchases due to the attractive discounts.

• The sale may have also attracted customers who were previously loyal to other e-commerce platforms.

• The number of customers gained may als...read more

Types of inheritance include single, multiple, multilevel, hierarchical, hybrid, and multipath inheritance.

• Single inheritance: A child class inherits from a single parent class.

• Multiple inheritance: A child class inherits from multiple parent classes.

• Multilevel inheritance: A child class inherits from a parent class, which in turn inherits from another parent class.

• Hierarchical inheritance: Multiple child classes inherit from a single parent class.

• Hybrid inheritance: A combin...read more

Administration focuses on planning and organizing, while management focuses on directing and controlling.

• Administration involves setting goals, creating policies, and making decisions.

• Management involves implementing plans, coordinating resources, and supervising employees.

• Administrators are responsible for the overall functioning of an organization.

• Managers are responsible for achieving specific objectives within the organization.

• Example: The CEO of a company is responsible ...read more

Inventory management methods include bill of material, master production schedule, and logistics management.

• Inventory management methods involve tracking and controlling inventory levels.

• Bill of materials is a list of all the components needed to produce a product.

• Master production schedule is a plan for production that takes into account inventory levels, customer demand, and production capacity.

• Logistics management involves coordinating the movement of goods from suppliers ...read more

The different phases of a project lifecycle include initiation, planning, execution, monitoring and controlling, and closing.

• Initiation: Defining the project, its scope, objectives, and feasibility.

• Planning: Creating a detailed project plan, including timelines, resources, and budget.

• Execution: Carrying out the plan and completing the project deliverables.

• Monitoring and Controlling: Tracking progress, managing changes, and ensuring project stays on track.

• Closing: Formal accep...read more

Agile methodology is an iterative approach to project management that emphasizes flexibility and customer satisfaction.

• Agile focuses on delivering working software in short iterations

• It values individuals and interactions over processes and tools

• It encourages collaboration between cross-functional teams

• It emphasizes responding to change over following a plan

• Examples of Agile methodologies include Scrum, Kanban, and Extreme Programming

The average number of flights that take off daily from Delhi Airport is approximately 1,300.

• Approximately 1,300 flights take off daily from Delhi Airport.

• The number of flights can vary depending on the day of the week and time of year.

• Delhi Airport is one of the busiest airports in India, serving both domestic and international flights.

I de-escalated a conflict between two coworkers by facilitating a calm and open discussion.

• Listened to both parties to understand their perspectives

• Encouraged open communication and empathy

• Suggested compromises and solutions to resolve the conflict

Mutable data types can be modified after creation, while immutable data types cannot be modified.

• Examples of mutable data types: lists, sets, dictionaries

• Examples of immutable data types: strings, tuples, frozensets

A dictionary is an unordered collection of key-value pairs, while a list is an ordered collection of elements.

• Dictionaries are accessed by keys, while lists are accessed by indices.

• Dictionaries are mutable, while tuples are immutable.

• Dictionaries can have duplicate values, but not duplicate keys.

• Lists can contain elements of different data types, while tuples can contain elements of the same or different data types.

Dynamic Loading allows loading of modules only when required, freeing up memory space.

• Dynamic Loading loads modules only when required, freeing up memory space.

• It allows for better memory utilization by loading only necessary modules.

• For example, in a web application, images can be loaded dynamically as the user scrolls down the page.

• This reduces the initial load time and improves the overall performance of the application.

Arduino Uno has 14 digital pins and 6 analog pins for coding programs.

• Arduino Uno has 14 digital pins (0-13) and 6 analog pins (A0-A5)

• Digital pins can be used for input/output operations while analog pins can read analog signals

• To code programs in Arduino, you can use the Arduino IDE and write C/C++ based sketches

These are three different programming problems that require different approaches to solve.

• N-Queens: placing N queens on an NxN chessboard so that no two queens threaten each other

• Snake and Ladder Problem: finding the minimum number of dice rolls to reach the end of a board with snakes and ladders

• Second Most Repeated Word in a Sequence: finding the second most frequently occurring word in a given sequence of words

Denormalization is the process of adding redundant data to improve query performance.

• It involves duplicating data in multiple tables to avoid joins and improve query speed.

• It can be useful in read-heavy applications where query performance is critical.

• Examples include adding a total sales column to a customer table instead of calculating it through joins.

• It can also involve flattening nested data structures to improve query performance.

• However, it can lead to data inconsisten...read more

The ideal percentage return on investment varies depending on the client's risk tolerance and investment goals.

• The percentage return on investment should be based on the client's risk tolerance and investment goals.

• It is important to have a thorough understanding of the client's financial situation and investment preferences before suggesting a percentage return on investment.

• A conservative investor may be satisfied with a lower percentage return on investment, while an aggre...read more

Yes, I have knowledge about Excel, Jira and Confluence.

• I am proficient in Excel and can perform various tasks such as data analysis, chart creation, and pivot tables.

• I have experience using Jira for project management and issue tracking.

• I am familiar with Confluence and have used it for documentation and collaboration purposes.

The BCG matrix is a strategic planning tool used to analyze a company's portfolio of products or business units.

• Developed by the Boston Consulting Group (BCG)

• It categorizes products/business units into four quadrants based on market growth rate and market share

• Quadrants: Stars, Cash Cows, Question Marks, and Dogs

• Helps in resource allocation and strategic decision-making

• Example: Apple's iPhone as a Star, iPod as a Cash Cow, Apple Watch as a Question Mark, and Mac Pro as a Dog

Technical analysis of a stock involves studying historical price and volume data to predict future price movements.

• It is a method used by traders and investors to make decisions based on price patterns and trends.

• Technical analysts use various tools and indicators, such as moving averages and chart patterns, to analyze stock price data.

• The goal is to identify potential buying or selling opportunities and to determine the timing of trades.

• Technical analysis assumes that histor...read more

The most efficient sorting algorithm is Quick Sort due to its average time complexity of O(n log n).

• Quick Sort is efficient due to its divide and conquer approach.

• It has an average time complexity of O(n log n) and a worst-case time complexity of O(n^2).

• Example: Sorting an array of integers using Quick Sort.

Fibonacci series is a sequence of numbers where each number is the sum of the two preceding ones.

• Declare variables for first two numbers of the series

• Loop through the series and calculate the next number by adding the previous two

• Store the result in an array or print it

• Repeat until desired number of terms is reached

Merge sort is a divide and conquer algorithm that divides the input array into two halves, sorts them recursively, and then merges them back together.

• Divide the input array into two halves

• Recursively sort each half

• Merge the sorted halves back together

• Time complexity is O(n log n)

WAN stands for Wide Area Network. It is a network that covers a broad area, such as a city, country, or even globally.

• WAN connects multiple LANs together over a large geographical area

• Example: The internet is the largest WAN, connecting devices worldwide

• WANs are typically slower than LANs due to the larger distances data must travel

I am proficient in Spanish.

• I have studied Spanish for 5 years.

• I have traveled to Spain and Latin America and practiced speaking with locals.

• I can read and write in Spanish as well.

The question is about CMOS, MUX, and Verilog coding.

• CMOS stands for Complementary Metal-Oxide-Semiconductor and is a type of technology used in integrated circuits.

• A MUX (multiplexer) is a device that selects one of several input signals and forwards the selected input into a single output line.

• Verilog is a hardware description language used to model digital circuits and systems.

• Verilog code for a 2:1 MUX: module mux(output reg out, input a, b, select); always @(*) begin if(s...read more

To open a theatre school, a plan needs to be chalked out. Here are some pointers.

• Research the demand for theatre education in the area

• Identify potential locations for the school

• Develop a curriculum and hire qualified instructors

• Secure funding through grants, donations, or investors

• Market the school to attract students

• Establish partnerships with local theatres for performance opportunities

ADC in a microcontroller converts analog signals into digital values for processing.

• ADC stands for Analog-to-Digital Converter.

• It samples and quantizes analog signals to produce digital values.

• The microcontroller's ADC typically has a resolution, sampling rate, and reference voltage.

• The resolution determines the number of possible digital values.

• The sampling rate defines how often the ADC samples the analog signal.

• The reference voltage sets the maximum voltage that can be con...read more

Around 1 million iPhone 6 units may be sold in India post launch.

• Sales will depend on pricing and marketing strategies

• Apple has a loyal customer base in India

• Competition from other smartphone brands may affect sales

• Previous iPhone models have seen good sales in India

• Demand may be higher in urban areas compared to rural areas

Crude oil is separated from water through a process called oil-water separation.

• Oil-water separation is achieved by using various techniques such as gravity separation, centrifugation, and filtration.

• Gravity separation involves allowing the mixture of crude oil and water to settle, with the oil rising to the top due to its lower density.

• Centrifugation utilizes the centrifugal force to separate the oil and water by spinning the mixture at high speeds.

• Filtration involves passin...read more

Merge two arrays without using a third array.

• Use the concat() method to merge the arrays.

• Alternatively, you can use the push() method to add elements from one array to another.

• Remember to handle the case where the arrays have different lengths.

Bonus shares are additional shares given to existing shareholders, zero coupon bonds are bonds that do not pay interest, and mutual funds are investment vehicles that pool money from multiple investors to invest in various securities.

• Bonus shares are given to existing shareholders as a reward for holding the company's shares.

• Zero coupon bonds are sold at a discount to their face value and do not pay interest, but are redeemed at face value at maturity.

• Mutual funds are managed...read more

Program to find non common characters in two strings

• Iterate through each character in both strings

• Compare each character and add non-common characters to a new string

• Return the new string with non-common characters

Splitting the share of a company refers to dividing the existing shares into multiple shares, usually to increase liquidity or adjust ownership percentages.

• Splitting shares does not change the overall value of the company, but increases the number of shares outstanding.

• It can be done to make shares more affordable for investors or to adjust voting rights.

• For example, a company with 100 shares valued at $10 each may split them into 200 shares valued at $5 each.

• Share splits are...read more

Program to find second highest number from an array without sorting

• Iterate through the array to find the highest number

• Keep track of the highest number and update it if a higher number is found

• Find the second highest number by comparing each element with the highest number

Beams are structural elements that support loads by resisting bending.

• Beams are typically horizontal, but can also be vertical or diagonal.

• They are commonly made of wood, steel, or concrete.

• The shape and size of a beam depends on the load it needs to support and the span it needs to cover.

• Examples of beams include floor joists, roof trusses, and bridge girders.

Various types of packets can be used for DOS attacks, including SYN floods, UDP floods, and ICMP floods.

• SYN floods involve sending a large number of SYN packets to overwhelm the target server's resources.

• UDP floods involve sending a large number of UDP packets to consume the target server's bandwidth.

• ICMP floods involve sending a large number of ICMP packets to flood the target server with traffic.

• Other types of packets, such as HTTP GET requests or DNS queries, can also be u...read more

Yes, I am aware of the latest updates of Google.

• Google recently announced the Page Experience update which focuses on user experience metrics like Core Web Vitals.

• Google also introduced the MUM (Multitask Unified Model) which is a new AI model for understanding complex search queries.

• There have been updates in Google Ads, Google Maps, and Google Workspace as well.

Tool room is a specialized area in a company where tools and equipment are designed, manufactured, and maintained.

• Tool room is responsible for designing and manufacturing tools and equipment required for production.

• It also maintains and repairs the tools and equipment to ensure their longevity and efficiency.

• Tool room is equipped with specialized machinery and skilled personnel to carry out the tasks efficiently.

• It plays a crucial role in ensuring the smooth functioning of th...read more

The letters on a keyboard are placed in a specific layout called QWERTY, which was designed to prevent typewriter jams.

• The QWERTY layout was developed by Christopher Sholes in 1873 for typewriters.

• The layout was designed to separate commonly used letters to reduce the likelihood of jamming.

• The arrangement of letters was based on the frequency of their use in the English language.

• The QWERTY layout became popular and was adopted for computer keyboards as well.

Program to convert binary to decimal values

• Take input as binary string

• Iterate over each digit and multiply with 2 raised to power of position

• Add all the values obtained in previous step to get decimal value

Inheritance, encapsulation, and access modifiers are key concepts in object-oriented programming.

• Inheritance allows a class to inherit properties and behaviors from another class.

• Encapsulation is the concept of bundling data and methods that operate on the data within a single unit.

• Access modifiers control the visibility and accessibility of class members.

• Examples: public, private, protected

• Inheritance example: class Dog extends Animal

• Encapsulation example: private int age; p...read more

Yes, a Sonar system can be made by assembling key components such as transducer, signal processor, display unit, and power source.

• Transducer converts electrical signals to sound waves and vice versa

• Signal processor processes the received signals for interpretation

• Display unit shows the processed data for user analysis

• Power source provides energy for the system to function

I would highlight the unique features and benefits of xyz product and demonstrate how it can increase sales and customer satisfaction for retailers.

• Identify the target market and tailor the pitch accordingly

• Emphasize the product's unique selling points such as quality, affordability, and versatility

• Provide examples of how the product has helped other retailers increase sales and customer satisfaction

• Offer incentives such as discounts or free samples to encourage retailers to ...read more

The accounting standard that deals with asset and depreciation is IAS 16.

• IAS 16 stands for International Accounting Standard 16.

• It provides guidance on how to account for property, plant, and equipment.

• It also covers the recognition, measurement, and depreciation of assets.

• Depreciation is the systematic allocation of the cost of an asset over its useful life.

• Examples of assets covered by IAS 16 include buildings, machinery, and vehicles.

To boost manufacturing in India, the MAKE in India campaign can be improved by focusing on infrastructure, skill development, and ease of doing business.

• Invest in building world-class infrastructure to attract foreign investors

• Provide training and skill development programs to enhance the quality of the workforce

• Simplify regulations and procedures to make it easier for businesses to operate in India

• Encourage innovation and entrepreneurship to promote indigenous manufacturing

• P...read more

The number of knee replacement surgeries in India can be estimated based on population demographics, prevalence of knee-related conditions, and healthcare infrastructure.

• Estimation can be done by considering the population size and age distribution in India.

• The prevalence of knee-related conditions like osteoarthritis and rheumatoid arthritis can be taken into account.

• The availability and accessibility of healthcare facilities specializing in knee replacement surgeries.

• Data f...read more

I solved a customer complaint by identifying the root cause and providing a solution

• Listened to the customer's complaint and empathized with their situation

• Analyzed the issue and identified the root cause

• Developed a solution and presented it to the customer

• Followed up with the customer to ensure their satisfaction

Estimated revenue for NEUFC (ISL team) for 1 year

• Revenue depends on various factors like ticket sales, sponsorships, merchandise sales, etc.

• Previous year's revenue can be used as a reference point

• Assuming an average revenue growth rate of 10%, the estimated revenue for NEUFC for 1 year could be around X amount