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Doc Online Interview Questions and Answers

Updated 5 Dec 2024

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Interview experience
5
Excellent
Difficulty level
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Process Duration
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Result
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Round 1 - HR 

(2 Questions)

  • Q1. About yourself and profile
  • Q2. Technical questions

Lead System Engineer Interview Questions asked at other Companies

Q1. What is the difference between domain and work group?
View answer (1)

Interview questions from similar companies

Interview Questionnaire 

2 Questions

  • Q1. About sdlc
  • Q2. About web development

Software Engineer Interview Questions & Answers

Medlife user image nerella saikrishna

posted on 9 Jan 2016

Interview Questionnaire 

12 Questions

  • Q1. Insert a node in a Linked List, if a pointer to a node(it's not a head pointer) of Linked List is given.
  • Q2. What is the Time Complexity of Binary Search and it's derivation
  • Ans. 

    Binary Search has a time complexity of O(log n) and is derived from dividing the search space in half at each step.

    • Binary Search is a search algorithm that works on sorted arrays.

    • It starts by comparing the target value to the middle element of the array.

    • If the target value is smaller, the search continues on the lower half of the array.

    • If the target value is larger, the search continues on the upper half of the array.

    • T...

  • Answered by AI
  • Q3. Write code for QuickSort
  • Ans. 

    QuickSort is a sorting algorithm that uses divide and conquer approach.

    • Choose a pivot element from the array

    • Partition the array into two sub-arrays, one with elements less than the pivot and one with elements greater than the pivot

    • Recursively apply the above steps to the sub-arrays

    • Combine the sorted sub-arrays to get the final sorted array

  • Answered by AI
  • Q4. Write code for Fibonacci Series using Recursion, Iteration and Dynamic Programming
  • Ans. 

    Code for Fibonacci Series using Recursion, Iteration and Dynamic Programming

    • Recursion: Define a function that calls itself with the previous two numbers in the series as arguments

    • Iteration: Use a loop to calculate the series by adding the previous two numbers in each iteration

    • Dynamic Programming: Store the previous two numbers in variables and use them to calculate the next number in the series

  • Answered by AI
  • Q5. How to implement an operation with Stacks which will be similar to Queue
  • Ans. 

    Implementing a Queue using Stacks

    • Use two stacks to implement a queue

    • Push elements onto the first stack

    • When dequeuing, pop all elements from the first stack and push onto the second stack

    • Pop the top element from the second stack to dequeue

    • If the second stack is empty, pop all elements from the first stack and push onto the second stack

  • Answered by AI
  • Q6. Write code for MergeSort
  • Ans. 

    MergeSort is a divide and conquer algorithm that sorts an array of strings.

    • Divide the array into two halves

    • Recursively sort the two halves

    • Merge the sorted halves

  • Answered by AI
  • Q7. 2 types of detective ball puzzles
  • Q8. 25 Horses, 5 Tracks, 3 Fastest Puzzle
  • Q9. How the letters of a text are determined(Basically about OCR)
  • Q10. Write code for Insertion Sort and Selection Sort and find their time complexities and also the cases where their usage is efficient
  • Q11. Explain about Counting Sort
  • Ans. 

    Counting Sort is a sorting algorithm that sorts elements by counting the number of occurrences of each unique element.

    • Count the occurrences of each element in the array

    • Calculate the cumulative sum of the counts

    • Place each element in the sorted array based on its count and cumulative sum

    • Time complexity is O(n+k) where n is the number of elements and k is the range of input

    • Example: Sort an array of strings based on their

  • Answered by AI
  • Q12. When we type a part of a word in chrome, how is it able to show all the types of words, which are consisted of that part
  • Ans. 

    Chrome uses an algorithm to predict and suggest words based on user input.

    • Chrome's algorithm uses a combination of user history, bookmarks, and popular searches to predict and suggest words.

    • The algorithm also takes into account the frequency and recency of the user's input.

    • Chrome's suggestion feature is powered by Google's Autocomplete API, which uses machine learning to predict and suggest words.

    • The suggestions are di...

  • Answered by AI

Interview Preparation Tips

Round: Technical Interview
Experience: First Question, at the start I was not able to answer and he gave me an hint(He asked me the insertion in an array). So, I got the idea for the insertion in Linked List and was able to answer it.
Remaining questions, I was able to answer confidently.
Tips: Take your own time in answering a question and be clear over your answer before telling about the code that you have written.
If you don't know an answer for some question, just keep telling him simple cases(which are valid), so that the interviewer will sometimes try to guide you through the solution.

Round: Technical Interview
Experience: I was able to answer all the questions confidently, since I know the answers for them, But the last question was out of my scope and I explained based on my intuition and knowledge.
Tips: Take your own time in answering a question and be clear over your answer before telling about the code that you have written.
If you don't know an answer for some question, just keep telling him simple cases(which are valid), so that the interviewer will sometimes try to guide you through the solution.

Round: Technical Interview
Experience: I have given the answers for 1&2 questions with clear explanation. And the third question is again out of my scope and I explained this also based intuition.
Tips: Take your own time in answering a question and be clear over your answer before telling about the code that you have written.
If you don't know an answer for some question, just keep telling him simple cases(which are valid), so that the interviewer will sometimes try to guide you through the solution.

General Tips: Take your own time in answering a question and be clear over your answer before telling about the code that you have written.
If you don't know an answer for some question, just keep telling him simple cases(which are valid), so that the interviewer will sometimes try to guide you through the solution.
Skill Tips: Take your own time in answering a question and be clear over your answer before telling about the code that you have written.
If you don't know an answer for some question, just keep telling him simple cases(which are valid), so that the interviewer will sometimes try to guide you through the solution.
Skills: Logical Puzzles, Algorithms And DataStructures
College Name: IIT Madras
Motivation: 1. Primary Reason: Passionate about Programming and Problem solving.
2. The profile is software Engineer.
3. You can see your idea, having an impact on the society which is possible with this type of company.
4. And a good package.
Funny Moments: Nothing Really...

Skills evaluated in this interview

Associate Interview Questions & Answers

JPMorgan Chase & Co. user image SHUBHAM VINAYAK KALE shubham

posted on 4 Dec 2016

I applied via Campus Placement and was interviewed in Dec 2016. There were 5 interview rounds.

Interview Questionnaire 

8 Questions

  • Q1. Project/DDP based questions
  • Q2. Any coding done in curriculum, explain the most complex one
  • Ans. 

    Yes, I have coded in curriculum. The most complex one was a project on building a web application using React and Node.js.

    • Built a full-stack web application using React and Node.js

    • Implemented user authentication and authorization using JSON Web Tokens (JWT)

    • Used MongoDB as the database and Mongoose as the ODM

    • Implemented real-time updates using Socket.IO

    • Deployed the application on Heroku

    • Handled errors and implemented log

  • Answered by AI
  • Q3. What is 'Big data'? Why is it called 'Big'
  • Ans. 

    Big data refers to large and complex data sets that cannot be processed using traditional data processing methods.

    • Big data is characterized by its volume, velocity, and variety

    • It is used in various industries such as healthcare, finance, and retail

    • Examples of big data include social media data, sensor data, and transactional data

    • It is called 'big' because it involves processing massive amounts of data

    • Big data requires ...

  • Answered by AI
  • Q4. Why do you want to switch to IT sector from your respective branch
  • Ans. 

    I am passionate about technology and eager to learn new skills in the IT sector.

    • I have always had a keen interest in technology and enjoy working with computers.

    • I believe the IT sector offers more opportunities for growth and advancement in my career.

    • I have seen the impact of technology on various industries and want to be a part of that innovation.

    • I have taken courses in programming and networking to prepare myself fo

  • Answered by AI
  • Q5. I did a course on compute simulation and had extra curricular in chess, so was asked to simulate a chess game
  • Q6. Two friends A & B meet after long time, A asks B about his family. B says he has 3 children, product of their ages is 36, and sum of their ages is equal to the (point towards a house on street) house numbe...
  • Q7. A rat has 3000 gm of rice, he has to travel a distance of 3000m, he eats 1gm rice/m, his maximum carrying capcity is 1000 gm,how should he travel the distance to reach with maximum rice left
  • Q8. A new software has 3 functions SelectSum(), log() and exp(). You have a table of 1000 data points, how will you find product of all points using only the above mentioned functions
  • Ans. 

    To find the product of all data points using SelectSum(), log(), and exp() functions.

    • Use the log() function to convert the product into a sum of logarithms

    • Apply the SelectSum() function to calculate the sum of logarithms

    • Finally, use the exp() function to convert the sum back into the product

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: Aptitude part has easy questions, including number series, picture series, interest rate and some quant based questions.

The coding part is difficult.2-3 coding questions, Codes will be related to linked lists , trees or sorting.
Tips: Try to get maximum marks in aptitude, which should be fine with some practice . One of the code will be easy, so complete it and make a try for second
Duration: 1 hour
Total Questions: 30

Round: Puzzle Interview
Experience: very easy puzzles, I was able to solve all puzzles in first attempt
Tips: Be confident in your approach they are locking for approach more than result

Round: Technical Interview
Experience: I answered all resume based questions, he liked my choice of projects, though they were not exactly related to the profile. He liked me and said I would recommend you directly to HR round
Tips: Prepare in details about all points in resume, course work mentioned and projects, Based on performance in this interview, they decide to whether to take one more technical interview or send directly to HR

Skills: Behavioural Skills, Puzzle Solving Capability, Approaching A Problem, Basic Coding
College Name: IIT Madras

Skills evaluated in this interview

I appeared for an interview in Oct 2016.

Interview Questionnaire 

4 Questions

  • Q1. Select any five companies you would invest in and why given the required metrics.
  • Ans. 

    I cannot provide investment advice, but here are five companies that have shown strong financial performance in recent years.

    • Apple - consistently high revenue and profit margins

    • Amazon - dominant player in e-commerce and cloud computing

    • Microsoft - strong growth in cloud computing and enterprise software

    • Alphabet (Google) - diversified revenue streams and strong advertising business

    • Visa - dominant player in the payments i

  • Answered by AI
  • Q2. Questions based on case study.
  • Q3. Detailed discussions on the indian economy?
  • Q4. Brexit vote and how it would effect the indian economy?
  • Ans. 

    The Brexit vote could have both positive and negative effects on the Indian economy.

    • Positive effects: Increased trade opportunities with the UK, potential for attracting foreign investments from companies relocating from the UK.

    • Negative effects: Uncertainty in global markets leading to volatility in exchange rates, potential decline in exports to the UK.

    • Example: Indian IT companies may face challenges due to stricter i...

  • Answered by AI

Interview Preparation Tips

Round: Case Study Interview
Experience: We were first taught the basics of operations involved in working with an investment bank. Based on the workshop we were given a case study with a list of companies to select the one's which are potencial candidates for investments. We were all divided into groups of 5 students.

Round: Test
Experience: The test was basic. Economical aptitude requires prior knowledge of economics concepts. The review topicwas GST bill.
Duration: 1 hour
Total Questions: 41

Round: Stress Interview
Tips: It is important to be aware about the current events and economies.

Skills: Economic Affairs, Financial Economics, Knowledge On Current Affairs
College Name: Thapar University, Patiala

I applied via Campus Placement and was interviewed in Dec 2016. There were 5 interview rounds.

Interview Questionnaire 

13 Questions

  • Q1. Tell me about yourself?
  • Ans. 

    I am a highly motivated individual with a passion for learning and achieving my goals.

    • I have a degree in computer science and have worked as a software developer for 3 years.

    • I am proficient in multiple programming languages including Java, Python, and C++.

    • I enjoy working in a team environment and collaborating with others to solve complex problems.

    • In my free time, I enjoy hiking and exploring new places.

  • Answered by AI
  • Q2. Tell me about your family or life before college?
  • Ans. 

    I grew up in a small town with my parents and younger sister. We were a close-knit family.

    • Grew up in a small town

    • Close-knit family

    • Parents and younger sister

    • Participated in community events

    • Enjoyed outdoor activities

  • Answered by AI
  • Q3. What do you do in free time?
  • Ans. 

    I enjoy reading, hiking, and trying new recipes in my free time.

    • Reading books on various topics, including fiction, non-fiction, and self-improvement

    • Hiking in local parks and nature reserves to explore new trails and enjoy the outdoors

    • Experimenting with new recipes and cooking techniques in the kitchen

    • Attending cultural events such as concerts, plays, and art exhibits

    • Spending time with family and friends, playing board

  • Answered by AI
  • Q4. What would you expect from this company?
  • Ans. 

    I would expect a supportive work environment, opportunities for growth and development, and a commitment to excellence.

    • Supportive and collaborative team culture

    • Clear communication and feedback

    • Opportunities for professional development and advancement

    • Commitment to high-quality work and customer satisfaction

    • Competitive compensation and benefits package

  • Answered by AI
  • Q5. Questions related to family and past life?
  • Q6. Do you have any family member or friend in Bangalore?
  • Ans. 

    Yes, I have a cousin who lives in Bangalore.

    • I have a cousin who has been living in Bangalore for the past 5 years.

    • We keep in touch and he has shown me around the city during my visits.

    • He works in the IT industry and enjoys the vibrant culture of Bangalore.

  • Answered by AI
  • Q7. How will you find loop in the circular linked list?
  • Ans. 

    Loop in a circular linked list can be found using Floyd's cycle-finding algorithm.

    • Initialize two pointers, slow and fast, both pointing to the head of the linked list.

    • Move slow pointer by one node and fast pointer by two nodes in each iteration.

    • If there is a loop, both pointers will eventually meet at some point.

    • If there is no loop, fast pointer will reach the end of the linked list.

    • Time complexity of this algorithm is

  • Answered by AI
  • Q8. How will you perform pre-fix and post-fix operation for the given string expression?
  • Ans. 

    Pre-fix and post-fix operations can be performed on a string expression using appropriate operators.

    • Pre-fix operation involves placing the operator before the operand in the expression.

    • Post-fix operation involves placing the operator after the operand in the expression.

    • Examples of pre-fix operators include ++, --, !, and ~.

    • Examples of post-fix operators include ++ and --.

  • Answered by AI
  • Q9. What is data analytics(cause I had mentioned it on the resume)? Just explain the basic and tell them how it can help us make decision/inference
  • Ans. 

    Data analytics is the process of examining data sets to draw conclusions about the information they contain.

    • Data analytics involves collecting, cleaning, and analyzing data to identify patterns and trends.

    • It can help businesses make informed decisions by providing insights into customer behavior, market trends, and operational efficiency.

    • For example, a retail company can use data analytics to analyze sales data and ide...

  • Answered by AI
  • Q10. In my final year project I have used random forest. So he asked me to explain random forest. And other projects related questions
  • Q11. What is your strength and weakness? why J P Morgan Chase? What do you expect from this company? I am from Mechanical Engineering, so she asked me why non-core?
  • Ans. 

    Strengths include adaptability and teamwork. Weaknesses include public speaking. Non-core background allows for diverse perspective. JPMorgan Chase's reputation and opportunities attract me.

    • Strengths: adaptability, teamwork

    • Weakness: public speaking

    • Non-core background brings diverse perspective

    • Attracted to JPMorgan Chase's reputation and opportunities

  • Answered by AI
  • Q12. Few behavioral questions: What will you do if you have enough money and good idea to start your own company?
  • Ans. 

    I would pursue my entrepreneurial dream and start my own company.

    • I would conduct market research to validate my idea and identify potential competitors.

    • I would create a business plan outlining my goals, strategies, and financial projections.

    • I would secure funding through investors or loans.

    • I would assemble a team of talented individuals with diverse skills and experiences.

    • I would continuously evaluate and adapt my busi

  • Answered by AI
  • Q13. How would you resolve team conflict between your idea and other idea, supported by majority?
  • Ans. 

    I would listen to both sides, gather more information, and try to find a compromise that satisfies everyone.

    • Listen to both sides and understand their perspectives

    • Gather more information about both ideas

    • Try to find common ground and a compromise that satisfies everyone

    • Encourage open communication and respect for each other's ideas

    • Consider the potential impact and benefits of each idea

    • Involve a neutral third party if nec

  • Answered by AI

Interview Preparation Tips

Round: Resume Shortlist
Experience: The company came to our campus on day 3 and agreed to take walk-ins.
Therefore resume shortlisting was the procedure.
They had a cut off of 7 CGPA.
Tips: It would be good if you have some coding background with few projects. It could anything from class projects to your internships, extra-curricular or final year projects. Don't forget to mention what all programming language you know on your resume.

Round: Technical + HR Interview
Experience: The first round consists of two panels. One of them was asking HR. And the other was asking technical questions. They were just looking whether you have the basic technical knowledge and if given an offer you will join or not.
Tips: For technical knowledge, you can refer OOPs basic concepts, standard coding interview problems, geeksforgeeks, cracking the coding interview by Laxman Gayle etc. It would be better if you can first practice hr questions among your friends instead of going directly to interview. I found a youtube channel explains technical relatively easier and simpler way. you can follow that. Just try to show that you are interested in that company.
For HR questions, one can prepare from 64 HR questions.
For the basic OOPs concepts, one can read first 10 chapters from E.Balaguruswamy but any other OOPs book will also be fine.
Confidence is the key ace any interview!!

Round: HR Interview
Experience: This round was mainly to check your personality. He was trying to know whether you will fit in the company or not. Most of the question was from my personal life. They will see whether you are serious about your life or not.
Tips: Be ready to give them instances of your life where you did things differently. Try to show that you are passionate about the company. Try to show you have a clear vision in your life and working hard to achieve that.

Round: HR Interview
Experience: This round was just a formality. The HR from the second round interview introduced me to the third interviewer. He asked few question related to the family.
Tips: One important thing I would like to is that NEVER ASSUME THAT WHATEVER YOU TOLD TO YOUR PREVIOUS INTERVIEWER WILL BE KNOWN TO THE NEXT INTERVIEW. So, if you think some specific points will help you do good in an interview...just let him know. I could be anything your project, conference, paper presentation or your past life as well.

Skills: Programming, Object Oriented Programming (OOP) Basics, Team Working Ability, Passion, Data Strrutures, Algorithm
College Name: IIT Madras

Skills evaluated in this interview

I applied via Campus Placement and was interviewed in Dec 2016. There were 3 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. Tested DSA and Aptitude
  • Q2. Checked design aspect questions
  • Q3. What do you know about company
  • Ans. 

    Company is a global technology company known for its innovative products and services.

    • Founded in 1976 by Steve Jobs, Steve Wozniak, and Ronald Wayne.

    • Known for products such as iPhone, iPad, Mac computers, and Apple Watch.

    • Offers services like Apple Music, iCloud, and Apple Pay.

    • Has a strong focus on design and user experience.

  • Answered by AI

Interview Preparation Tips

College Name: IIT Madras

I appeared for an interview before Apr 2021.

Round 1 - Coding Test 

(3 Questions)

Round duration - 90 minutes
Round difficulty - Medium

This round had 3 coding questions of Medium to Hard level of difficulty.

  • Q1. 

    Balanced Parentheses Combinations

    Given an integer N representing the number of pairs of parentheses, find all the possible combinations of balanced parentheses using the given number of pairs.

    Explanati...

  • Ans. 

    Generate all possible combinations of balanced parentheses for a given number of pairs.

    • Use recursion to generate all possible combinations of balanced parentheses.

    • Keep track of the number of open and close parentheses used in each combination.

    • Return the valid combinations as an array of strings.

  • Answered by AI
  • Q2. 

    Trapping Rain Water Problem Statement

    You are given a long type array/list ARR of size N, representing an elevation map. The value ARR[i] denotes the elevation of the ith bar. Your task is to determine th...

  • Ans. 

    Calculate the total amount of rainwater that can be trapped between given elevations in an array.

    • Iterate through the array and calculate the maximum height on the left and right of each bar.

    • Calculate the amount of water that can be trapped at each bar by taking the minimum of the maximum heights on the left and right.

    • Sum up the trapped water at each bar to get the total trapped water for the entire array.

  • Answered by AI
  • Q3. 

    Rotting Oranges Problem Statement

    You are given a grid containing oranges where each cell of the grid can contain one of the three integer values:

    • 0 - representing an empty cell
    • 1 - representing a fre...
  • Ans. 

    Find the minimum time required to rot all fresh oranges adjacent to rotten oranges.

    • Create a queue to store the coordinates of rotten oranges and perform BFS to rot adjacent fresh oranges.

    • Track the time taken to rot all fresh oranges and return -1 if not all fresh oranges can be rotten.

    • Update the grid with the new state of oranges after each second.

    • Handle edge cases such as empty grid or no fresh oranges present.

    • Example...

  • Answered by AI
Round 2 - Face to Face 

(3 Questions)

Round duration - 60 Minutes
Round difficulty - Medium

This was a standard DS/Algo round where I was given 2 questions to solve under 60 minutes. I was able to come up with the optimal approach for both the questions and then at the end of the interview I was also asked the famous Die Hard Water Puzzle.

  • Q1. 

    Queue Using Stacks Implementation

    Design a queue data structure following the FIFO (First In First Out) principle using only stack instances.

    Explanation:

    Your task is to complete predefined functions t...

  • Ans. 

    Implement a queue using stacks following FIFO principle.

    • Use two stacks to simulate a queue.

    • For enQueue operation, push elements onto stack1.

    • For deQueue operation, if stack2 is empty, pop all elements from stack1 and push onto stack2, then pop from stack2.

    • For peek operation, if stack2 is empty, pop all elements from stack1 and push onto stack2, then return top of stack2.

    • For isEmpty operation, check if both stack1 and st...

  • Answered by AI
  • Q2. 

    Merge Intervals Problem Statement

    You are provided with 'N' intervals, each containing two integers denoting the start time and end time of the interval.

    Your task is to merge all overlapping intervals a...

  • Ans. 

    Merge overlapping intervals and return sorted list of merged intervals by start time.

    • Sort the intervals based on start time.

    • Iterate through intervals and merge overlapping ones.

    • Return the merged intervals in sorted order.

  • Answered by AI
  • Q3. You have a 3-liter jar and a 5-liter jar. How can you measure exactly 4 liters using these two jars?
Round 3 - Face to Face 

(4 Questions)

Round duration - 60 Minutes
Round difficulty - Medium

This round had 2 coding questions - first one related to Binary Tree and the second one was a simple question from Bit Manipulation. This was followed by some questions from OOPS.

  • Q1. 

    Binary Tree Diameter Problem Statement

    You are given a Binary Tree, and you need to determine the length of the diameter of the tree.

    The diameter of a binary tree is the length of the longest path betwe...

  • Ans. 

    The task is to find the diameter of a binary tree, which is the length of the longest path between any two end nodes in the tree.

    • Traverse the tree to find the longest path between two nodes.

    • Keep track of the maximum diameter found during traversal.

    • The diameter may not necessarily pass through the root node.

    • Consider both left and right subtrees while calculating the diameter.

    • Example: For input 1 2 3 4 -1 5 6 -1 7 -1 -1

  • Answered by AI
  • Q2. 

    Power of 2 Problem Statement

    Determine if it is possible to reorder the digits of a given integer 'N' such that the resulting number is a power of two. The leading digit must not be zero.

    Input:

    The fir...
  • Ans. 

    The problem involves determining if it is possible to reorder the digits of a given integer to form a power of 2.

    • Iterate through all possible permutations of the digits of the given integer.

    • Check if any of the permutations form a power of 2.

    • Return 1 if a valid permutation is found, else return 0.

  • Answered by AI
  • Q3. What are some advantages of using Object-Oriented Programming (OOP)?
  • Ans. 

    Advantages of OOP include code reusability, modularity, and easier maintenance.

    • Code reusability: Objects can be reused in different parts of the program, reducing redundancy.

    • Modularity: OOP allows for breaking down complex problems into smaller, more manageable parts.

    • Easier maintenance: Changes to one part of the codebase do not necessarily affect other parts, making maintenance easier.

    • Encapsulation: Data hiding and ab...

  • Answered by AI
  • Q4. What are access specifiers and what is their significance in Object-Oriented Programming?
  • Ans. 

    Access specifiers define the level of access to class members in Object-Oriented Programming.

    • Access specifiers include public, private, protected, and default

    • Public members are accessible from outside the class

    • Private members are only accessible within the class

    • Protected members are accessible within the class and its subclasses

    • Default access is when no access specifier is specified

  • Answered by AI
Round 4 - HR 

(1 Question)

Round duration - 30 Minutes
Round difficulty - Easy

This was my last round and I hoped it to go good just like the other rounds. The interviewer was very straight to point
and professional. The interview lasted for 30 minutes.

  • Q1. Why should we hire you?

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAPracto interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, DBMS, OS, Aptitude, OOPSTime required to prepare for the interview - 4 MonthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewSelected

Skills evaluated in this interview

I appeared for an interview in Dec 2016.

Interview Questionnaire 

5 Questions

  • Q1. Write the algorithm for reversing the string
  • Ans. 

    The algorithm reverses a given string.

    • Iterate through the string from the last character to the first character.

    • Append each character to a new string or an array in reverse order.

    • Return the reversed string or array.

  • Answered by AI
  • Q2. Write an algorithm to select the number between min and maximum from a number series and that number shouldn't be a multiple of 10
  • Q3. This was puzzle: you have 2 eggs and 100 floors. Eggs will start break beyond a particular floor. You can throw eggs from any of the floor. How will you minimise the total number of throws.
  • Q4. Assume yourself as CEO of a company. You have vacancies and you are conducting interviews. 4 candidates (1. An IITian, 2. A woman, 3. Gay, 4.Physically handicapped) are equally capable and qualified have a...
  • Ans. 

    As the CEO, I would select the candidate based on their qualifications and skills, regardless of their background or personal characteristics.

    • I would focus on the qualifications, skills, and experience of each candidate.

    • I would consider their ability to contribute to the company's goals and objectives.

    • I would ensure a fair and unbiased selection process.

    • I would prioritize diversity and inclusion in the workplace.

    • I woul...

  • Answered by AI
  • Q5. My interview was just after demonetization. So question was, assume you are CEO of Paytm. What will be your key values and what will be your strategy to add more customers.

Interview Preparation Tips

Round: Test
Experience: Aptitude part was pretty straightforward. Make sure you don't loose too much time on one question. Most of the questions were very easy. Number series, men working hours, probability and simple math calculations are enough to crack the test.
Coding part will definitely have one easy question (mostly will be on sorting algos). Basic coding knowledge is enough for this part.
Tips: Aptitude : Speed is the key. Since questions are easy, one who gets more than others will be shortlistled for the Interviews.
Coding: Make sure you solve atleast 1 problem correctly. And then try to attempt others.
Duration: 1 hour
Total Questions: 28

Round: Behavioural Interview
Experience: They also asked basic interview hr questions. Be prepared with your stories. If One of your story can make you look out of the stand, it will definitely work for this round. Strengths, weakness and where do you see yourself after 5 years.
Tips: Be confident. And be ready to defend your answers.

Skills: Math Puzzles, Algorithms And Data Structures, HR Skills, Inter Person Communication Skills
College Name: IIT Madras

Skills evaluated in this interview

Interview Preparation Tips

Round: Test
Experience: There was Pool Campus Placement of  4 Colleges together(NIT Jalandhar,NIT Hamirpur ,Candigarh University and CGC Landran ) at Chandigarh University.Written test was taken on Hacker Rank. There were 5 Coding Questions of Linklist , Dynamic Programming,Priority Queues etc . 
You didn't have to do All the questions (3 can get you to the next round).

One thing that need to be beware of is that on Hacker Rank Your Draft is Saved every second(or so). So don't copy from the internet and just paste there(they will get to know).
Tips: Make sure you practice lot of Algorithms.
Duration: 120 minutes
Total Questions: 5

Round: Problem Statement
Experience: Only 8 Students were selected for this round
20 mins were given for it
and afterwards each student had personal discussion(10 mins) with them to explain their schema .
3-4 Questions were also asked related to your schema and how to perform a particular query
Tips: You should Be Through with DBMS
Make sure there is no redundant table and Primary keys are marked

Round: Technical Interview
Experience: 2 were selected for the Interview
Firstly they make you very Comfortable and ask how were the previous Rounds.
Then they asked about the two questions of First Round and my approach 
Then couple of questions on The design that was made Earlier.
Then there were questions on How Internet Works ,gcc,Linux,git,sql.

Then the Interviewer asked if I have any question
I asked about (as the work on doctor's app) how they know the credibility of a doctor which is enlisted in their app.
Interviewer was really Impressed by the question and told me all about it with all details.


Both were selected
Tips: Be cool in the Interview
Think Loudly and Interact with them well.
If they want you to ask any question ,it should not be related to technical stuff ,it should be related to the company

College Name: NIT JALANDHAR

Doc Online Interview FAQs

How many rounds are there in Doc Online interview?
Doc Online interview process usually has 1 rounds. The most common rounds in the Doc Online interview process are HR.
How to prepare for Doc Online interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Doc Online. The most common topics and skills that interviewers at Doc Online expect are Sales, Key Account Management, Agile, Distribution and Design Patterns.
What are the top questions asked in Doc Online interview?

Some of the top questions asked at the Doc Online interview -

  1. About yourself and prof...read more
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