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Doc Online Interview Questions and Answers

Updated 5 Dec 2024

Doc Online Interview Experiences

1 interview found

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
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?
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Interview Questionnaire 

8 Questions

  • Q1. Implement queue with the help of two stacks
  • Ans. 

    Queue can be implemented using two stacks by maintaining the order of elements in the stacks.

    • Create two stacks, let's call them stack1 and stack2

    • When an element is enqueued, push it to stack1

    • When an element is dequeued, pop all elements from stack1 and push them to stack2

    • Pop the top element from stack2 and return it as the dequeued element

    • If stack2 is empty, repeat step 3

    • To get the front element of the queue, peek the

  • Answered by AI
  • Q2. Iven a table “student” of with columns Name and Marks. You have to write a SQL query to get the 2nd highest marks from the table. Also write a query to find the nth highest marks, where n can be any number
  • Q3. What is left join. Give example. And Full outer join?
  • Ans. 

    Left join returns all records from left table and matching records from right table. Full outer join returns all records from both tables.

    • Left join is used to combine two tables based on a common column.

    • In left join, all records from the left table are returned along with matching records from the right table.

    • If there is no match in the right table, NULL values are returned.

    • Example: SELECT * FROM table1 LEFT JOIN table...

  • Answered by AI
  • Q4. What is magic functions and autoloading in PHP?
  • Ans. 

    Magic functions are special methods in PHP that start with __. Autoloading is a way to automatically load classes.

    • Magic functions are used to handle certain events in PHP, such as object creation or property access.

    • Autoloading allows PHP to automatically load classes when they are needed, without requiring manual includes.

    • Magic functions can be used in conjunction with autoloading to dynamically load classes or handle

  • Answered by AI
  • Q5. Given three arrays sorted in non-decreasing order, print all common elements in these arrays. Examples: ar1[] = {1, 5, 10, 20, 40, 80} ar2[] = {6, 7, 20, 80, 100} ar3[] = {3, 4, 15, 20, 30, 70, 80, 120} Ou...
  • Ans. 

    Given three sorted arrays, find common elements.

    • Create three pointers to traverse each array

    • Compare the elements at the pointers and move the pointer of the smallest element

    • If all pointers point to the same element, add it to the result and move all pointers

    • Repeat until any pointer reaches the end of its array

  • Answered by AI
  • Q6. A puzzle. You will be given with a 3 Litre container & a 7 Litre Container. Measure exactly 5 Litres of water
  • Q7. Asked about one of my projects I mentioned in my resume?
  • Q8. Find if a number is a power of 2 or not?
  • Ans. 

    Check if a number is a power of 2 or not.

    • A power of 2 has only one bit set in its binary representation.

    • Use bitwise AND operator to check if the number is a power of 2.

    • If n is a power of 2, then n & (n-1) will be 0.

  • Answered by AI

Interview Preparation Tips

Skills: Data structures, PHP, Algortihm
College Name: na
Motivation: Overall it was a very good experience. They test you from every aspect. In the End I would like to say that Practo is one of the best companies to work for.

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

I applied via Referral

Interview Questionnaire 

5 Questions

  • Q1. I was asked to optimize the last program mentioned above
  • Q2. I was asked in detail about my internship experience and projects
  • Q3. I was asked why I did not contribute to any open source projects
  • Q4. I was asked to explain the code of my android app from my dropbox account
  • Q5. The usual HR questions followed after that

Interview Preparation Tips

Skills:
College Name: NA

Interview Questionnaire 

9 Questions

  • Q1. What is event bubbling?
  • Ans. 

    Event bubbling is the propagation of an event from the innermost child element to the outermost parent element.

    • Events triggered on a child element will also trigger on its parent elements

    • The event travels up the DOM tree until it reaches the document object

    • Can be stopped using event.stopPropagation()

    • Can be useful for event delegation

  • Answered by AI
  • Q2. Difference between .on(‘click’,function() and .click(function())
  • Ans. 

    The .on('click',function() is a more flexible method than .click(function())

    • The .on() method can handle multiple events and selectors

    • The .click() method can only handle one event and one selector

    • The .on() method can also handle dynamically added elements

    • The .click() method cannot handle dynamically added elements

  • Answered by AI
  • Q3. Write a function to check if two strings are anagram or not
  • Ans. 

    Function to check if two strings are anagram or not

    • Create two character arrays from the strings

    • Sort the arrays

    • Compare the sorted arrays

  • Answered by AI
  • Q4. Given an array of integers which can be in one of four order – i.Increasing 2.Decreasing 3.decreasing then increasing 4.increasing then decreasing .Write a function to find the type of array
  • Ans. 

    Function to determine the order of integers in an array.

    • Check first and last element to determine if increasing or decreasing

    • Check for inflection point to determine if order changes

    • Return order type as string

  • Answered by AI
  • Q5. How can you improve the performance of a site.(Only frontend)
  • Ans. 

    Optimize images, minify code, reduce HTTP requests, use caching, and lazy loading.

    • Optimize images using compression and appropriate file formats

    • Minify code to reduce file size and improve load times

    • Reduce HTTP requests by combining files and using sprites

    • Use caching to store frequently accessed data locally

    • Implement lazy loading to defer loading of non-critical resources

  • Answered by AI
  • Q6. Design database schema for a movie site.Where user can watch the movie,genre of movie,give ratings and recommended movies to user.Also Write an algorithm to show recommended movies to user
  • Ans. 

    Design a database schema for a movie site with user ratings and recommendations.

    • Create tables for movies, users, ratings, and recommendations

    • Use foreign keys to link tables

    • Include columns for movie genre and user watch history

    • Algorithm for recommendations can use user watch history and ratings to suggest similar movies

  • Answered by AI
  • Q7. By tossing a coin we can get either head or tail, i have a function toss() which return head or tail with equal probability
  • Q8. You have to write a function for dice which will return number from 1-6 with equal probability. constraints : you can not use random function, you can use only toss function
  • Ans. 

    Function to simulate dice roll with equal probability without using random function

    • Use a toss function that returns either 0 or 1 with equal probability

    • Call the toss function 3 times and convert the result to a binary number

    • If the binary number is greater than 0 and less than or equal to 6, return it

    • If the binary number is greater than 6, repeat the process

  • Answered by AI
  • Q9. Write a query to fetch duplicate email from table?
  • Ans. 

    Query to fetch duplicate email from table

    • Use GROUP BY and HAVING clause to filter out duplicates

    • SELECT email, COUNT(*) FROM table_name GROUP BY email HAVING COUNT(*) > 1;

    • This will return all the duplicate emails in the table

  • Answered by AI

Interview Preparation Tips

Skills: data structure, Algorithm
College Name: na
Motivation: Practo is the market leader in digital healthcare management with millions of consumers using our products to find doctors, book appointments and manage their healthcare efficiently. Practo Ray is the platform of choice for the vast majority of doctors and clinics deploying cloud based clinic management solution.I recently got an offer from Practo, here is my interview experience:

Skills evaluated in this interview

Software Engineer Interview Questions & Answers

Practo user image BEKKAM VENKATA ADITYA

posted on 27 Sep 2015

I applied via Campus Placement

Interview Questionnaire 

4 Questions

  • Q1. General questions. Where are you from, tell about yourself etc..,
  • Q2. Asked me about the projects which i have mentioned in my resume
  • Q3. Some algorithmic questions including data structures. Time complexity, space complexity etc.,
  • Q4. How would you design a snake game present in basic nokia mobiles. Just the data structure part and some functions which are used as the game goes on

Interview Preparation Tips

Round: Test
Experience: A bit difficult but sensible way to get started with the selection procedure. Questions purely attack the algorithmic and stastitic aspects.
Tips: Get yourself ready with conceptual clartity regarding algorithms and stastics . Don't be ambitious to attempt all the questions, completely solving one problem would be more than enough for getting through this level.
Duration: 120 minutes
Total Questions: 3

Round: Technical Interview
Experience: Believe me. You never feel inferior, it's really interactive and very friendly. Interviewer gave me a few chances and hints whenever i've gone wrong. Overall interview experience was awesome.
Tips: If you're up to this round, they believe you have the potential. So don't panic if you are unable to answer their questions. Just tell them which aspects which you are comfortable with and they will proceed correspondingly, Just be honest whatsoever.

Skill Tips: Prefer having some revision about the above skills before undergoing the selection process.
Skills: Math Puzzles, Algorithmic Approach To Problem Solving, Data Structures
Duration: 2months
College Name: IIT Madras
Funny Moments: Receiving the offer letter from HR official who visited our campus :)

Data Analyst Interview Questions & Answers

Practo user image Pratik Chaudhari

posted on 17 Nov 2015

I applied via Referral

Interview Preparation Tips

Round: Resume Shortlist
Experience: Sent resume to an HR through Linkedin and got the call for interview

Round: Technical Interview
Experience: Had 3 rounds of technical interviews with Product Owner, Product Manager and VP Product. Most of the questions were related to maths, statistics and a few on machine learning. Even though I did not have much background on these, I was asked to give my inputs and try to find a solution. We discussed recommendation engines for Quora, Linkedin and e-commerce websites. Then they asked me how can we remove the bias that comes in the practo ratings of the doctors due to feedback from various channels. How can we identify if the customer is booking an appointment by looking at reviews or ratings? How can we identify spam reviews before publishing them? How can we build a product which can help users write a better quality review? Most of the questions were related to data science and how we can improve the products using data. The data analyst role for which I was being interviewed, was a first of its kind role in Practo. The JD was to basically work with the product team and help them in improving products, building new features etc. using data science/ data analytics.

Skills: Product Sense, Attitude, Data Science, Data Analysis, Basics Of Machine Learning
College Name: IIT Madras
Motivation: being the leader of the healthcare industry, high growth startup, opportunity to solve interesting problems using data

I applied via Campus Placement

Interview Questionnaire 

2 Questions

  • Q1. Why this specific profile? (analyst)
  • Ans. 

    I am passionate about analyzing data and deriving insights to drive strategic decision-making.

    • I have a strong background in data analysis and statistics.

    • I enjoy problem-solving and finding patterns in data.

    • I believe that my analytical skills can add value to the organization by providing actionable insights.

    • I have experience using various analytical tools such as Excel, SQL, and Tableau.

    • I am detail-oriented and thrive

  • Answered by AI
  • Q2. Why finance?
  • Ans. 

    Passion for analyzing data and making informed financial decisions.

    • I have always been fascinated by numbers and analyzing trends.

    • I enjoy the challenge of making sense of complex financial data.

    • I believe finance plays a crucial role in driving business success and growth.

    • I am motivated by the opportunity to help companies make informed financial decisions.

    • I find satisfaction in using data to identify opportunities for i

  • Answered by AI

Interview Preparation Tips

Round: Case Study Interview
Experience: Q: Give me five steps to estimate the number of traffic lights in Bombay.
Me: I will divide the city into equidistant lines, both vertical and horizontal; sort of a mesh. Then I would take vertical and horizontal rectangles i.e. the rectangles which fall on length and breadth of the city. Starting with the horizontal ones I would try to estimate the number of roads going from east to west in each rectangle(depending on the type of area: residential, commercial or a highway) Similarly I would try to estimate the number of roads going from north to south in each vertical rectangle. Now I have the average number of roads per unit length and per unit breadth. Now, I can calculate the average number of roads intersecting per rectangle. Now if I have the data, I can also use the traffic density data to further improve my estimate, i.e. whether the traffic light is required in that rectangle or not.(depending upon the traffic density)
Q: Lets say that golden quadrilateral gets completed tomorrow. What would be its impact on the sales of Ashok Leyland?
Me: Sir, they would increase, as more and more traffic will shift from railways to roadways as the average time taken by road will decrease.
Q: If I say that the sales will decreases by road, the truk will make the same number of trips in less amount of time, thereby rendering overcapacity in the road transport market therefore the sales will decrease.
Me: (I actually didn't let him complete, I interrupted him in between and said that I got the logic)
Tips: Don't try to overstate the facts.

Skills:
Duration: 3
College Name: IIM Lucknow

Interview Questionnaire 

11 Questions

  • Q1. What is the difference between multi tasking, multi processing and multi programming operating systems with examples ?
  • Ans. 

    Multi tasking, multi processing, and multi programming are different approaches to managing tasks in an operating system.

    • Multi tasking allows multiple tasks to run concurrently on a single processor.

    • Multi processing involves multiple processors running tasks simultaneously.

    • Multi programming allows multiple programs to be loaded into memory and executed concurrently.

    • Examples of multi tasking operating systems include Wi...

  • Answered by AI
  • Q2. Tell me about memory allocation (stack vs. heap)?
  • Ans. 

    Memory allocation refers to the process of assigning memory to programs during runtime.

    • Stack allocation is done automatically and is limited in size.

    • Heap allocation is done manually and is larger in size.

    • Stack memory is used for local variables and function calls.

    • Heap memory is used for dynamic memory allocation.

    • Memory leaks can occur if heap memory is not properly managed.

  • Answered by AI
  • Q3. You have two threads one printing even numbers in order and other odd numbers. Design an algorithm so that it prints numbers in natural order?
  • Ans. 

    Use a shared variable and synchronization mechanisms to ensure natural order printing of numbers.

    • Create two threads, one for printing even numbers and the other for printing odd numbers.

    • Use a shared variable to keep track of the current number to be printed.

    • Implement synchronization mechanisms like locks or semaphores to ensure only one thread can access the shared variable at a time.

    • Each thread should check if it is i...

  • Answered by AI
  • Q4. Print a matrix in spiral order?
  • Ans. 

    Printing a matrix in spiral order

    • Start from the first element and print it

    • Move in a spiral order towards the center of the matrix

    • Repeat until all elements are printed

  • Answered by AI
  • Q5. Thread class and Runnable Interface?
  • Ans. 

    Thread class and Runnable Interface are used for multithreading in Java.

    • Thread class is a predefined class in Java that provides methods to create and control threads.

    • Runnable interface is used to define a task that can be executed by a thread.

    • Thread class implements Runnable interface.

    • Thread class provides more control over threads than Runnable interface.

    • Example: Thread t = new Thread(new MyRunnable()); t.start();

    • Exa...

  • Answered by AI
  • Q6. What’s the difference between a Linked List and an ArrayList and give me an example of when to use which?
  • Ans. 

    Linked List is a dynamic data structure while ArrayList is a static data structure.

    • Linked List is best for frequent insertion and deletion operations.

    • ArrayList is best for frequent access operations.

    • Linked List uses more memory than ArrayList.

    • ArrayList is faster than Linked List for accessing elements.

    • Use Linked List when you need to frequently add or remove elements from the list.

    • Use ArrayList when you need to frequen

  • Answered by AI
  • Q7. Questions of OS concepts?
  • Q8. A role play scenario was given. With a clear instruction on I don’t need to know the basis and the hypothetical assumption was presented. I was told that I was expected to respond to the given scenario, in...
  • Q9. Why are you interested in a career in investment banking?
  • Ans. 

    I am not interested in a career in investment banking.

    • I am more interested in a career in software development

    • I enjoy problem-solving and creating innovative solutions through coding

    • Investment banking does not align with my passion and skill set

  • Answered by AI
  • Q10. Why have you chosen to apply to J.P. Morgan?
  • Ans. 

    I have chosen to apply to J.P. Morgan because of their reputation, global presence, and opportunities for growth.

    • J.P. Morgan has a strong reputation in the financial industry.

    • They have a global presence with offices in multiple countries.

    • The company offers various opportunities for career growth and development.

    • J.P. Morgan is known for its innovative technology solutions in the financial sector.

    • I am impressed by their ...

  • Answered by AI
  • Q11. Have you ever made a mistake? Tell us about it?
  • Ans. 

    Yes, I have made a mistake in my previous project.

    • I underestimated the complexity of a task and ended up missing the deadline.

    • I failed to properly test a feature, resulting in a bug that affected user experience.

    • I accidentally deleted an important file without having a backup.

    • I misunderstood a requirement and implemented a feature incorrectly.

  • Answered by AI

Interview Preparation Tips

Round: Test
Total Questions: 1

General Tips: Interview Process: Aptitude test, followed by 3 rounds of interview. Interview process was very good. Just be positive to clear the interview.
Check this link before appearing for interview with JP Morgan. It will help  -----
Skills: Algorithm, Data structure, Stack
College Name: Na

Skills evaluated in this interview

I applied via LinkedIn and was interviewed in Apr 2020. There were 4 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. How can you reduce the delivery time of the order?
  • Ans. 

    Reducing delivery time can be achieved by optimizing the supply chain, improving communication, and automating processes.

    • Analyze the supply chain and identify bottlenecks

    • Implement automation tools to streamline processes

    • Improve communication between departments and with customers

    • Use data analytics to forecast demand and plan accordingly

    • Consider outsourcing or partnering with third-party logistics providers

    • Invest in tec...

  • Answered by AI
  • Q2. Questions based on Case Studies

Interview Preparation Tips

Interview preparation tips for other job seekers - The process consisted of two rounds. First was the business analysis kind of round which included the questions like how can you reduce the delivery time of the order? The second round was technical round where the person asked the questions on SQL and Excel

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
  2. Technical questi...read more

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Doc Online Interview Process

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