AmbitionBox
Interview Questions
- Reviews
- Salaries
- Interview Questions
- About Company
- Benefits
- Jobs
- Office Photos
- Community
Add office photos
i
Practo
Compare
Filter interviews by
Practo Interview Questions, Process, and Tips
Top Practo Interview Questions and Answers
- Q1. Intersection of Two Unsorted Arrays Problem Statement Given two integer arrays ARR1 and ARR2 of sizes 'N' and 'M' respectively, find the intersection of these arrays. Th ...read moreasked in Software Developer interview
- Q2. What do you know about hospital process for treatment?asked in Business Development Manager interview
- Q3. Merge two binary treesasked in Software Developer Intern interview
Practo Interview Experiences
74 interviews found
Anonymous
I was interviewed before Apr 2021.
(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
Nrepresenting 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.
- Q2.
Trapping Rain Water Problem Statement
You are given a long type array/list
ARRof sizeN, representing an elevation map. The valueARR[i]denotes the elevation of theithbar. 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.
- 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...
(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...
- 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.
- Q3. You have a 3-liter jar and a 5-liter jar. How can you measure exactly 4 liters using these two jars?
(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
- 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.
- 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...
- 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
(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
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.
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.
Skills evaluated in this interview
Top Practo Software Developer Interview Questions and Answers
Software Developer Interview Questions asked at other Companies
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
- 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...
- 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
- 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
- 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.
Interview Preparation Tips
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
Top Practo Software Developer Interview Questions and Answers
Software Developer Interview Questions asked at other Companies
Interview Questionnaire
9 Questions
- Q1. What is event bubbling?
- Q2. Difference between .on(‘click’,function() and .click(function())
- Q3. Write a function to check if two strings are anagram or not
- 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 type of array based on order of integers.
Check if the array is strictly increasing or strictly decreasing to determine the type.
If the array alternates between increasing and decreasing, it is of type 3 or 4.
Compare the first and last elements to determine if it is type 4.
- Q5. How can you improve the performance of a site.(Only frontend)
- Ans.
Improving frontend performance of a site involves optimizing code, reducing HTTP requests, and utilizing caching techniques.
Optimize images and videos to reduce file sizes
Minify and concatenate CSS and JavaScript files
Utilize browser caching to store static resources locally
Implement lazy loading for images and videos
Reduce the number of HTTP requests by combining resources
Use a content delivery network (CDN) to serve
- 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, genres, ratings, and recommendations
Use foreign keys to establish relationships between tables
Include columns for movie title, genre, user ratings, and recommended movies
Use algorithms like collaborative filtering or content-based filtering to show recommended movies to users
- 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.
Use a toss function to simulate a fair dice roll without using random function.
Create a toss function that generates a random number between 1 and 2.
Call the toss function twice and map the results to get numbers 1-6.
Ensure each number has an equal probability of being generated.
- Q9. Write a query to fetch duplicate email from table?
Interview Preparation Tips
Experience: 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,
Tips: refer above questions plz
College Name: NA
Skills evaluated in this interview
Interview Questionnaire
8 Questions
- Q1. Implement queue with the help of two stacks
- Q2. Given 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 numbe...
- Q3. What is left join. Give example. And Full outer join?
- Ans.
Left join is a type of join in SQL that returns all the records from the left table and matching records from the right table.
Left join is used to combine rows from two or more tables based on a related column between them.
The result of a left join includes all the rows from the left table and the matching rows from the right table.
If there is no match, NULL values are returned for the columns of the right table.
Exampl...
- Q4. What is magic functions and autoloading in PHP?
- Ans.
Magic functions and autoloading are features in PHP that provide flexibility and automation in class definition and loading.
Magic functions in PHP are special methods that are automatically called when certain events occur, such as object instantiation or property access.
Autoloading in PHP is a mechanism that automatically loads classes when they are needed, without the need for manual inclusion.
Magic functions like __...
- 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.
Iterate through all arrays simultaneously using three pointers.
If all pointers point to the same element, add it to the result and increment all pointers.
If any pointer points to an element smaller than the others, increment that pointer.
Repeat until any pointer reaches the end of its array.
- 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?
Interview Preparation Tips
Experience: I recently got an offer from Practo, here is my interview experience. There were four rounds
Round: Technical Interview
Experience: NA
Tips: NA
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
Practo interview questions for popular designations
Interview Questionnaire
2 Questions
- Q1. Find total number of unique palindromic sub sequences from a string.
- Ans.
Find total number of unique palindromic sub sequences from a string.
Use dynamic programming to find all palindromic sub sequences.
Store the count of each sub sequence in a hash table.
Return the count of unique sub sequences.
- Q2. Find if a number is a power of 2 or not.3
- 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.
Examples: 2 (10), 4 (100), 8 (1000), 16 (10000), etc.
Examples: 3 (11), 5 (101), 7 (111), 9 (1001), etc.
Interview Preparation Tips
Experience: 1. There were 5 Programming Questions and the test was conducted on HackerRank. 2. I solved 3 out of them.Mostly the questions consisted of all levels from easy to tough mostly on Dynamic Programming.After 1 week I got a mail saying that i cleared the first round.
Round: Technical Interview
Experience: Second Round :1. It was an Online Technical Interview at Hacker Rank.2. 2 coding questions were asked: Then a designing and database question was asked. He wanted to know how well are you able to design tables and establish relationships between them.4. Then he asked me some front end related questions as I was working as an intern on front end development at a company.The interview lasted about 2 hours.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.
College Name: NA
Skills evaluated in this interview
Get interview-ready with Top Practo Interview Questions
Agam Mahajan
Interview Preparation Tips
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
Software Engineer Interview Questions asked at other Companies
Jobs at Practo
Rahul Shetty
I applied via Naukri.com
Interview Preparation Tips
Experience: It was quite simple as the company really likes to invest in freshers who are dynamic and seeking a challenging career.
Tips: KISS- keep it straight and simple.
General Tips: Know more about the medical fraternity and try to know their needs and problems faced by them. Try knowing more about the Practo Ray software used by doctors and have a look at the Practo.com how the doctors are listed.
Skill Tips: Stay calm and keep your ears open. Listen to what the person in front of you is talking. Before talking to the Practo people know one thing that the people working at Practo are the coolest of all with a great sense of humour. So better start knowing about all the medical specialists meet a few drs in order to know how actually the fraternity works. The company has a great work culture and u could earn and learn alot at Practo. Try knowing more about dentists as usually interviews will be based on a speciality and most probably dentists.
Skills: Personality, Objection handling
College Name: Marathwada Institute of technology
Motivation: I was interested in marketing job as I wanted to go for MBA in marketing. Trust me this company is the best in that. I was lucky to crack the interview and work at this really awesome company.
Funny Moments: Oh its real fun here. Targets obviously are taken seriously but the parties and the really cool colleagues will never let u feel low. It's an really awesome company with really cool people. The yearly Practo scene is one event that will be a company get together and partying. It's real fun.
Territory Sales Manager Interview Questions asked at other Companies
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
College Name: NA
Software Engineer Interview Questions asked at other Companies
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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
Interview Preparation Tips
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
Top Practo Software Developer Interview Questions and Answers
Software Developer Interview Questions asked at other Companies
Interview Preparation Tips
Experience: It was online coding round, conducted through hackerrank. There were total 6 questions, in which every type of question was there(easy, medium,hard), no need to attend all question I did 2 submission successfully and got selected for next round.Note: for clear first round practice program from hacker rank website.1. Frog Racing2. Chocolate cut into 1X1 size3. how many character should be added to make string palindrom.4. Music play list5. given a number A find the smallest number B . such that AXB in contain 4 and 0 only, zero must not appear before any 4. for ex:- 4440000 is valid but 404004 is not valid.
Round: designing round
Experience: In this round we have to make a design of app we need to tell how we make that app following all aspects.
We have to design a cricket app, in which we need to show all running matches, how many member playing in each team, their record, strike rate, required run rate , ball by ball record each and everything. We have to visualize how app will look, what extra option you want to add etc.
Round: Technical Interview
Experience: It was technical round, question were asked from coding, sql,os,ds, some puzzles, project.
College Name: NA
Top trending discussions
Practo Interview FAQs
Some of the top questions asked at the Practo interview -
The duration of Practo interview process can vary, but typically it takes about less than 2 weeks to complete.
Recently Viewed
JOBS
Practo
No Jobs
SALARIES
GMR Group
LIST OF COMPANIES
GMR Group
Overview
SALARIES
GMR Group
INTERVIEWS
Practo
No Interviews
COMPANY BENEFITS
Kellton
No Benefits
SALARIES
Kellton
No Salaries
INTERVIEWS
MokshTech
No Interviews
REVIEWS
Kellton
No Reviews
Tell us how to improve this page.
Practo Interviews By Designations
- Practo Business Development Manager Interview Questions
- Practo Software Engineer Interview Questions
- Practo Software Developer Interview Questions
- Practo Product Support Specialist Interview Questions
- Practo Territory Sales Manager Interview Questions
- Practo BDM Sales Interview Questions
- Practo Business Analyst Interview Questions
- Practo Senior Territory Sales Manager Interview Questions
- Show more
Interview Questions for Popular Designations
- Business Development Manager Interview Questions
- Software Engineer Interview Questions
- Software Developer Interview Questions
- Senior Executive Interview Questions
- Team Lead Interview Questions
- Consultant Interview Questions
- Test Engineer Interview Questions
- Data Analyst Interview Questions
- Show more
Practo Interview Process
based on 43 interviews
Interview experience
Interview Questions from Similar Companies
Fast track your campus placements
Practo Reviews and Ratings
based on 498 reviews
Rating in categories
4-10 Yrs
Not Disclosed
|
Business Development Manager
244
salaries
|  ₹0 L/yr - ₹0 L/yr |
|
Product Support Specialist
137
salaries
| ₹0 L/yr - ₹0 L/yr |
|
Territory Sales Manager
114
salaries
| ₹0 L/yr - ₹0 L/yr |
|
Team Lead
62
salaries
| ₹0 L/yr - ₹0 L/yr |
|
Assistant Area Manager
58
salaries
| ₹0 L/yr - ₹0 L/yr |
Lybrate
Mfine
DocsApp
Portea Medical
- Home >
- Interviews >
- Practo Interview Questions
