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Infibeam Interview Questions and Answers

Updated 8 Feb 2023

Infibeam Interview Experiences

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4 interviews found

UI Developer Interview Questions & Answers

user image Anonymous

posted on 8 Feb 2023

Interview experience
1
Bad
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

I applied via Job Portal and was interviewed in Aug 2022. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - One-on-one 

(1 Question)

  • Q1. There was a html and css basic questions with senior developer
Round 3 - Assignment 

One figma file was shared and asked to convert to html infront of senior developer and round took 1hr

Round 4 - One-on-one 

(1 Question)

  • Q1. Javascript round with corr javascript questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Offer not released after completing all the rounds

UI Developer Interview Questions asked at other Companies

Q1. Create 10 no. of Checkboxes in javascript and on-checked checkboxes count should be show at below. as you will un-check the checkbox count should also change. so means to say checked checkbox count should be print.
View answer (1)

I applied via Approached by Company

Round 1 - HR 

(1 Question)

  • Q1. Why are you looking for a change?

Interview Preparation Tips

Interview preparation tips for other job seekers - Hi my name is Tushar Manohar Penkar. I have 11 years work experience. My last Qualification is F.Y.B.com.

Assistant Manager Warehouse Interview Questions asked at other Companies

Q1. What is 5S rule and what they have
View answer (2)

Analyst Interview Questions & Answers

user image Anonymous

posted on 3 Jul 2015

Interview Questionnaire 

19 Questions

  • Q1. How was your day?-Tell me about yourself
  • Ans. 

    My day was productive and fulfilling. As for myself, I am a driven and detail-oriented individual with a passion for problem-solving.

    • I tackled several challenging tasks at work and made significant progress on each of them.

    • I also took some time to exercise and clear my mind, which helped me stay focused throughout the day.

    • As for myself, I have a background in engineering and enjoy using my analytical skills to find cre...

  • Answered by AI
  • Q2. How to optimize the code that you had written in aptitude test - It was a discussion, he helped me in solving the problem
  • Ans. 

    Optimizing code involves identifying and removing bottlenecks to improve performance.

    • Identify the parts of the code that are taking the most time to execute

    • Use efficient algorithms and data structures

    • Minimize the number of function calls and loops

    • Avoid unnecessary calculations or operations

    • Use caching or memoization to avoid repeating calculations

    • Profile the code to measure performance improvements

  • Answered by AI
  • Q3. Now write an optimized version of that code
  • Ans. 

    Optimized version of given code

    • Use efficient data structures and algorithms

    • Avoid unnecessary loops and conditions

    • Minimize function calls and variable assignments

  • Answered by AI
  • Q4. How was your day?-Tell me about yourself?
  • Ans. 

    My day was productive and fulfilling. As for myself, I am a driven and detail-oriented individual with a passion for problem-solving.

    • I tackled several challenging tasks at work and made significant progress on each of them.

    • I also took some time to exercise and clear my mind, which helped me stay focused throughout the day.

    • As for myself, I have a background in engineering and enjoy applying my analytical skills to a var...

  • Answered by AI
  • Q5. Which language do you prefer to code in? "Have you read The C Programming Language book by Dennis Retchie?" Which technical book have you read recently?.-So you like C, have you ever thought of bringing up...
  • Ans. 

    Yes, I prefer coding in C and have read The C Programming Language book. I have also explored the concept of Inheritance in C.

    • I find C to be a powerful and efficient language for system programming.

    • Yes, I have read The C Programming Language book by Dennis Retchie and found it to be a great resource.

    • Recently, I have been exploring the concept of Inheritance in C through various online resources and tutorials.

    • While C do...

  • Answered by AI
  • Q6. What is the reason behind inventing the concept of inheritance? Write a program and explain
  • Ans. 

    Inheritance allows a class to inherit properties and methods from another class.

    • Inheritance promotes code reusability and saves time and effort in programming.

    • It allows for the creation of a hierarchy of classes with shared characteristics.

    • For example, a class Animal can be inherited by classes such as Dog, Cat, and Bird, which share common properties and methods.

    • Inheritance can be implemented using the 'extends' keywo

  • Answered by AI
  • Q7. What is Liskov substitution principle?
  • Ans. 

    Liskov substitution principle is a principle in object-oriented programming that states that objects of a superclass should be able to be replaced with objects of its subclasses without affecting the correctness of the program.

    • Subtypes must be substitutable for their base types

    • Derived classes must not change the behavior of the base class

    • Violating the principle can lead to unexpected behavior and errors

    • Example: A squar...

  • Answered by AI
  • Q8. Explain OOPs concepts with a program for each
  • Ans. 

    Explanation of OOPs concepts with programs

    • Encapsulation: Wrapping data and functions into a single unit. Example: Class in Java

    • Abstraction: Hiding implementation details and showing only necessary information. Example: Abstract class in C#

    • Inheritance: Acquiring properties and behavior of a parent class. Example: Child class extending parent class in Python

    • Polymorphism: Ability of an object to take many forms. Example:

  • Answered by AI
  • Q9. Write a code for dynamic polymorphism
  • Ans. 

    Dynamic polymorphism is achieved through virtual functions and inheritance in object-oriented programming.

    • Create a base class with virtual functions

    • Create derived classes that override the virtual functions

    • Use pointers or references of the base class to call the virtual functions

    • The appropriate derived class function will be called based on the object being pointed to or referred to

  • Answered by AI
  • Q10. What is the drawback of global variables?
  • Ans. 

    Global variables can lead to unexpected changes and make debugging difficult.

    • Global variables can be accessed and modified from any part of the code, making it difficult to track changes.

    • They can cause naming conflicts if multiple variables with the same name are used in different parts of the code.

    • Using global variables can make it harder to test and debug code, as it can be difficult to isolate the cause of errors.

    • Th...

  • Answered by AI
  • Q11. Why using 'goto' is a bad programming practice?
  • Ans. 

    Using 'goto' can make code hard to read, maintain and debug.

    • Goto statements can create spaghetti code that is difficult to follow.

    • It can make it harder to understand the flow of the program.

    • It can also make debugging more difficult.

    • There are usually better alternatives to using goto, such as using loops or functions.

    • Some programming languages, such as Java and Python, do not even have a goto statement.

    • Using goto can al...

  • Answered by AI
  • Q12. Which is your favourite subject? Why? Name a book for that subject
  • Ans. 

    My favorite subject is history because it helps me understand the present and learn from the past.

    • I enjoy learning about different cultures and how they have evolved over time

    • I find it fascinating to study the causes and effects of major historical events

    • One of my favorite books on history is 'Guns, Germs, and Steel' by Jared Diamond

  • Answered by AI
  • Q13. Bring modularity in the code that you had written in aptitude test
  • Q14. Told me to make changes as per his wishes in that code-What is DRY in software engineering?
  • Q15. Gave a puzzle (find the heaviest ball amongst 8 balls in an optimized way). Tell the logic and write code for it.-write Create, Update, Delete, Insert, Select, Join SQL queries for a given problem
  • Q16. Asked me one sentence questions about the technologies that I had mentioned in resume... What is..... HTML, CSS, JQuery, JSP?
  • Q17. What are implicit objects in JSP?
  • Ans. 

    Implicit objects are pre-defined objects in JSP that can be accessed without being explicitly declared.

    • Implicit objects are created by the JSP container during the translation phase.

    • They can be accessed using predefined names such as request, response, session, application, out, pageContext, config, and exception.

    • For example, the request object can be used to retrieve parameters from a form or URL.

    • The session object ca...

  • Answered by AI
  • Q18. Name a web server and an application server
  • Ans. 

    Apache is a popular web server and Tomcat is a widely used application server.

    • Apache is an open-source web server that supports multiple operating systems and is known for its stability and security.

    • Tomcat is a Java-based application server that is used to deploy Java web applications and supports servlets and JSPs.

    • Other popular web servers include Nginx and Microsoft IIS.

    • Other popular application servers include JBoss...

  • Answered by AI
  • Q19. How to deploy web application on apache tomcat?-What is Collections in Java?
  • Ans. 

    To deploy a web application on Apache Tomcat, the application needs to be packaged as a WAR file and then deployed to the Tomcat server.

    • Create a WAR file of the web application

    • Copy the WAR file to the Tomcat webapps directory

    • Start the Tomcat server

    • Access the web application using the URL http://localhost:8080/

    • Collections in Java are classes that implement collections of objects, such as lists, sets, and

  • Answered by AI

Interview Preparation Tips

College Name: IIT MADRAS

Skills evaluated in this interview

Top Infibeam Analyst Interview Questions and Answers

Q1. Which language do you prefer to code in? "Have you read The C Programming Language book by Dennis Retchie?" Which technical book have you read recently?.-So you like C, have you ever thought of bringing up the concept of Inheritance in C?
View answer (1)

Analyst Interview Questions asked at other Companies

Q1. N-th Fibonacci Number Problem Statement Given an integer ‘N’, your task is to find and return the N’th Fibonacci number using matrix exponentiation. Since the answer can be very large, return the answer modulo 10^9 + 7. Formula: F(n) = F(n-... read more
View answer (1)

I applied via Referral

Interview Questionnaire 

13 Questions

  • Q1. I was asked to derive the time complexity of my code from the written test. It was to print the elements of a binary tree in spiral order
  • Q2. Program to swap two pointers
  • Ans. 

    A program to swap two pointers.

    • Declare two pointers of the same data type

    • Assign the first pointer to a temporary variable

    • Assign the second pointer to the first pointer

    • Assign the temporary variable to the second pointer

  • Answered by AI
  • Q3. Program to determine whether a given binary tree is binary search tree. I was asked to solve this in two different ways
  • Q4. Two DBMS queries involving aggregate functions
  • Q5. Program to implement Dijkstra’s algorithm
  • Ans. 

    Dijkstra's algorithm finds shortest path between nodes in a graph

    • Create a graph with nodes and edges

    • Initialize distances from source node to all other nodes as infinity

    • Set distance from source node to itself as 0

    • Create a set of unvisited nodes

    • While unvisited set is not empty, select node with minimum distance

    • For each neighbor of selected node, calculate distance from source node

    • If calculated distance is less than curre...

  • Answered by AI
  • Q6. Program to implement Floyd­Warshall’s agorithm
  • Ans. 

    Floyd-Warshall's algorithm is used to find the shortest path between all pairs of vertices in a weighted graph.

    • Create a 2D array to store the distances between all pairs of vertices.

    • Initialize the array with the weights of the edges in the graph.

    • Use nested loops to iterate over all pairs of vertices and update the distances if a shorter path is found through a third vertex.

    • The final array will contain the shortest dist

  • Answered by AI
  • Q7. Program to print the elements of a matrix in spiral order recursively
  • Ans. 

    Program to print matrix elements in spiral order recursively

    • Create a recursive function to print the elements in spiral order

    • Define the boundaries of the matrix and traverse the matrix in spiral order

    • Call the recursive function to print the elements in spiral order

    • Handle edge cases such as empty matrix or matrix with only one row/column

  • Answered by AI
  • Q8. Given an unsorted array of numbers, find two numbers which add up to the given sum in O(n)
  • Ans. 

    Find two numbers in an unsorted array that add up to a given sum in O(n)

    • Use a hash table to store the difference between the sum and each element in the array

    • Iterate through the array and check if the current element is in the hash table

    • If it is, return the current element and the corresponding difference

    • If not, add the current element to the hash table

  • Answered by AI
  • Q9. Explain indexing in DBMS
  • Ans. 

    Indexing is a technique used in DBMS to improve the performance of queries.

    • Indexing creates a separate data structure that allows faster retrieval of data.

    • It works by creating a pointer to the location of data in the table.

    • Indexes can be created on one or more columns of a table.

    • Types of indexing include B-tree, hash, and bitmap indexing.

    • Indexes can also be clustered or non-clustered.

    • Clustered indexes determine the phy...

  • Answered by AI
  • Q10. Explain B and B+ trees
  • Ans. 

    B and B+ trees are data structures used for efficient searching and sorting of large datasets.

    • B trees are balanced trees used for disk-based storage systems.

    • B+ trees are similar to B trees but have all data stored in the leaf nodes for faster searching.

    • B trees have a variable number of keys per node, while B+ trees have a fixed number.

    • B trees have a higher fanout than B+ trees, making them more efficient for smaller da...

  • Answered by AI
  • Q11. Given a binary tree, write a program to determine whether there exists a root to leaf path having the given sum
  • Q12. Program to find the lowest common ancestor of two nodes in binary search tree as well as binary tree. I was also asked to give the brute force approach for the same
  • Ans. 

    Program to find lowest common ancestor of two nodes in binary search tree and binary tree with brute force approach.

    • For binary search tree, traverse from root to both nodes and store the path. Then compare paths to find LCA.

    • For binary tree, traverse from root to both nodes and store the path. Then compare paths to find LCA.

    • Brute force approach involves checking each node's descendants to see if they contain both nodes.

    • ...

  • Answered by AI
  • Q13. Program to print all ancestors of a node in a binary tree
  • Ans. 

    Program to print all ancestors of a node in a binary tree

    • Create a recursive function to traverse the binary tree

    • Check if the current node is the target node

    • If yes, print all the nodes in the call stack

    • If not, recursively call the function for left and right subtrees

  • Answered by AI

Interview Preparation Tips

Skills:
College Name: NA

Skills evaluated in this interview

Top Infibeam Software Engineer Interview Questions and Answers

Q1. Program to find the lowest common ancestor of two nodes in binary search tree as well as binary tree. I was also asked to give the brute force approach for the same
View answer (1)

Software Engineer Interview Questions asked at other Companies

Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person... read more
View answer (213)

Infibeam interview questions for popular designations

 UI Developer

 (1)

 Analyst

 (1)

 Software Engineer

 (1)

 Assistant Manager Warehouse

 (1)

Interview questions from similar companies

I appeared for an interview in Dec 2017.

Interview Questionnaire 

3 Questions

  • Q1. You need to find the maximum water pond formed in bw the building
  • Ans. 

    To find the maximum water pond formed between buildings.

    • Identify the lowest point between the buildings.

    • Calculate the area of the pond using the distance between the buildings and the depth of the pond.

    • Consider any obstacles or uneven ground that may affect the pond's shape.

    • Use a surveying tool or satellite imagery to get accurate measurements.

    • Take into account any drainage systems or natural water flow that may affect

  • Answered by AI
  • Q2. On mars you have to place n robots and they are connected via GPS. now you need to move each robot such that the whole mars is visited and each robot visit the minimum area(meaning no overlapping of area)...
  • Q3. Design dictionary using trie....having operations of inserting a word, updating and deleting (needed to write full running code)
  • Ans. 

    Design a dictionary using trie with insert, update and delete operations.

    • Implement a Trie data structure with nodes containing a character and a boolean flag to indicate end of word

    • For insert operation, traverse the trie and add nodes for each character in the word

    • For update operation, delete the existing word and insert the updated word

    • For delete operation, mark the end of word flag as false and delete the node if it ...

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: Simple questions
Duration: 1 hour 10 minutes
Total Questions: 3

College Name: IIT Guwahati

Skills evaluated in this interview

Interview Preparation Tips

Round: Test
Experience: There were 3 Questions . One on String manipulation and two were on Binary Trees. All were easy but there was time constraint.
Tips: Practice as many question as possible.
Duration: 60 minutes
Total Questions: 3

Round: Technical Interview
Experience: I was given the problem to design a car pooling system complete with the required classes .. data structures which would be used ... how the database would look like etc..
Tips: General understanding of databases and OOP concepts would do.

Round: Technical Interview
Tips: Be thorough and have in-depth knowledge of each and every point of your resume.

College Name: BITS Pilani

Business Analyst Interview Questions & Answers

Paytm user image Rockey Maheshwari

posted on 8 Sep 2015

Interview Preparation Tips

Round: Test
Experience: It was a test of moderate level.

20 ques in 20 min.

Basic focus was speed and accuracy.

Tested calculation speed.
Tips: Try to decide which ques to answer and which ones to leave.

Its very important not to get stuck in any 1 ques and waste time. MOVE ON!
Duration: 20 minutes
Total Questions: 20

Round: Technical Interview
Experience: Hi ! i dont remember the question but I do remember that they were easy.

The interviewers are there to test you not to embarrass you. or humiliate you.
They dont expect you to answer every ques so no need to get frustrated if you get a couple of them wrong.
Tips: Go easy...
If you dont know answer to a ques , dont panic,. They are willing to qive you points for your approach.

General Tips: Relax at all times
Skill Tips: Just practice. Whenever you are on facebook solve a couple of brain teasers.


Skills: Aptitude
College Name: DTU
Motivation: Good Future prospects!

Interview Questionnaire 

32 Questions

  • Q1. Discussion on the rectangular board question asked in prev round
  • Q2. How will you implement a shuffle function for a playlist of songs
  • Ans. 

    Implementing a shuffle function for a playlist of songs

    • Create a new empty playlist

    • Randomly select a song from the original playlist and add it to the new playlist

    • Remove the selected song from the original playlist

    • Repeat until all songs have been added to the new playlist

    • Return the new shuffled playlist

  • Answered by AI
  • Q3. What is memory leak?
  • Ans. 

    Memory leak is a situation where a program fails to release memory it no longer needs.

    • Memory leaks can cause a program to consume more and more memory over time, eventually leading to crashes or other issues.

    • Memory leaks can be caused by programming errors such as not freeing memory after it is no longer needed.

    • Tools like valgrind can be used to detect memory leaks in C and C++ programs.

    • Examples of memory leaks include...

  • Answered by AI
  • Q4. What is the problem with arrays?
  • Ans. 

    Arrays have fixed size and can lead to memory wastage and performance issues.

    • Arrays have a fixed size and cannot be resized dynamically.

    • Inserting or deleting elements in an array can be time-consuming.

    • Arrays can lead to memory wastage if they are not fully utilized.

    • Arrays can cause performance issues if they are too large and need to be traversed frequently.

    • Arrays can also be prone to buffer overflow attacks.

    • Example: A...

  • Answered by AI
  • Q5. Write a function in javascript to hide text on mouse click
  • Ans. 

    Function to hide text on mouse click in JavaScript

    • Create a function that takes an element as input

    • Add an event listener to the element for a mouse click

    • Toggle the element's display property between 'none' and its original value

  • Answered by AI
  • Q6. A unsorted array was given and a number x.find out the two elements whose sum is equal to x
  • Ans. 

    Find two elements in an unsorted array whose sum is equal to a given number x.

    • Use a hash table to store the difference between x and each element in the array.

    • Iterate through the array and check if the current element is in the hash table.

    • Return the pair of elements that add up to x.

  • Answered by AI
  • Q7. More questions on basic OS concepts related to storage, memory
  • Q8. Puzzle : -----/
  • Q9. What is BST ?
  • Ans. 

    BST stands for Binary Search Tree, a data structure used for efficient searching and sorting operations.

    • BST is a tree-like data structure where each node has at most two children.

    • The left child of a node contains a value less than the parent node, while the right child contains a value greater than the parent node.

    • BST allows for efficient searching and sorting operations with a time complexity of O(log n).

    • Examples of a...

  • Answered by AI
  • Q10. How many BSTs are possible with two nodes and three nodes?
  • Ans. 

    Number of possible BSTs with 2 and 3 nodes.

    • For 2 nodes, only 2 BSTs are possible.

    • For 3 nodes, 5 BSTs are possible.

    • Number of BSTs can be calculated using Catalan numbers formula.

    • Catalan(2) = 2, Catalan(3) = 5.

  • Answered by AI
  • Q11. How many trees are possible with two and three nodes?
  • Ans. 

    Answering the question about possible trees with two and three nodes.

    • For two nodes, there is only one possible tree.

    • For three nodes, there are three possible trees.

    • The formula for calculating the number of possible trees with n nodes is (2n-3)!!.

    • The double exclamation mark represents the double factorial function.

    • The double factorial function is defined as n!! = n(n-2)(n-4)...(1 or 2).

  • Answered by AI
  • Q12. Puzzle : 100 people are standing in a circle .each one is allowed to shoot a person infront of him and he hands the gun to the next to next person for e.g 1st person kills 2nd and hands gun to 3rd .This c...
  • Q13. What is indexing? Why it is used?
  • Q14. What are B+ trees?what is the advantage?
  • Ans. 

    B+ trees are balanced trees used for indexing and searching large amounts of data.

    • B+ trees are similar to binary search trees but have multiple keys per node.

    • They are commonly used in databases and file systems.

    • B+ trees have a high fanout, reducing the number of disk accesses required for searching.

    • They are also self-balancing, ensuring efficient performance even with large amounts of data.

    • Example: In a database, a B+ ...

  • Answered by AI
  • Q15. Any questions you want to ask?
  • Ans. 

    Yes, I have a few questions.

    • Can you tell me more about the team I'll be working with?

    • What is the company culture like?

    • What are the biggest challenges the team is currently facing?

    • Can you walk me through the development process for a typical project?

    • What opportunities are there for professional growth and development?

  • Answered by AI
  • Q16. Asked me about the skills i have mentioned in my resume
  • Q17. Which data structure i like?
  • Ans. 

    I prefer hash tables for their constant time lookup and insertion.

    • Hash tables are efficient for storing and retrieving data.

    • They have constant time complexity for both insertion and lookup.

    • They can be implemented using arrays or linked lists.

    • Examples include Python's dictionary and Java's HashMap.

  • Answered by AI
  • Q18. Can you implement a stack using queue
  • Ans. 

    Yes, we can implement a stack using two queues.

    • Push operation: Enqueue the element to the first queue.

    • Pop operation: Dequeue all elements from the first queue and enqueue them to the second queue until the last element. Dequeue and return the last element. Swap the names of the queues.

    • Top operation: Same as pop operation but don't dequeue the last element.

    • Example: Push 1, 2, 3. Queue 1: 1 2 3. Queue 2: empty. Pop opera...

  • Answered by AI
  • Q19. Two arrays of arrival time of trains and departure time of trains were given. find the minimum no of platforms require so that no collision occurs
  • Ans. 

    Find minimum no of platforms required to avoid collision between trains based on their arrival and departure times.

    • Sort both arrays in ascending order

    • Initialize platform count and max count to 1

    • Loop through both arrays and compare arrival and departure times

    • If arrival time is less than or equal to departure time, increment platform count

    • Else, decrement platform count

    • Update max count if platform count is greater than ma

  • Answered by AI
  • Q20. What is JVM ? Difference between JVM and compiler
  • Ans. 

    JVM stands for Java Virtual Machine. It is an abstract machine that provides a runtime environment for Java programs.

    • JVM is responsible for interpreting the compiled Java code and executing it.

    • It provides platform independence by converting bytecode into machine-specific code.

    • JVM has various components like class loader, bytecode verifier, and execution engine.

    • Compiler converts source code into bytecode, while JVM exec...

  • Answered by AI
  • Q21. He asked me to write a html code for a page design he gave
  • Q22. He asked me to write a query for a relational schema and problem statement given by him
  • Q23. Tell me about Yourself
  • Ans. 

    I am a software engineer with experience in developing web applications and a passion for learning new technologies.

    • Experienced in developing web applications using technologies such as Java, Spring, and Angular

    • Passionate about learning new technologies and keeping up with industry trends

    • Strong problem-solving skills and ability to work in a team environment

    • Completed a Bachelor's degree in Computer Science from XYZ Uni

  • Answered by AI
  • Q24. She asked me if i was nervous
  • Q25. What do i know about PayTM ?
  • Ans. 

    PayTM is an Indian e-commerce payment system and digital wallet company.

    • PayTM was founded in 2010 by Vijay Shekhar Sharma.

    • It started as a mobile recharge and bill payment platform.

    • PayTM has expanded to offer services like online shopping, movie ticket booking, and travel bookings.

    • It also offers a digital wallet that can be used to pay for various services and products.

    • PayTM has over 350 million registered users and is ...

  • Answered by AI
  • Q26. Any feature i would like to add in PayTM app?
  • Ans. 

    I would like to add a feature for splitting bills among friends.

    • The feature would allow users to split bills for movies, dinners, etc.

    • Users can select friends from their contact list and split the bill equally or unequally.

    • The app would send a notification to the selected friends to pay their share.

    • The feature would make it easier for users to split expenses and avoid awkward conversations.

    • It would also encourage more

  • Answered by AI
  • Q27. What is my favourite app and any improvements in it which i want to implement?
  • Ans. 

    My favourite app is Spotify. I would like to see improvements in the algorithm for personalized playlists.

    • Improved algorithm for personalized playlists

    • Better integration with social media platforms

    • Option to create collaborative playlists with friends

  • Answered by AI
  • Q28. She asked me about my school and which school i like the most and why?
  • Q29. She asked me about my family
  • Q30. What is my favourite subject?
  • Ans. 

    My favourite subject is Computer Science.

    • I enjoy programming and problem-solving.

    • I find algorithms and data structures fascinating.

    • I am interested in artificial intelligence and machine learning.

    • I like learning about new technologies and keeping up with industry trends.

  • Answered by AI
  • Q31. Have i ever been to delhi?
  • Q32. Why do I choose NIT Hamirpur? what do i like about Hamirpur?
  • Ans. 

    I choose NIT Hamirpur because of its excellent academic reputation and beautiful campus.

    • NIT Hamirpur has a strong focus on academics and research, which aligns with my career goals.

    • The campus is located in a serene and picturesque location, which provides a conducive environment for learning.

    • The faculty members are highly experienced and knowledgeable, and are always willing to help students.

    • The college has state-of-th...

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: General aptitude was easy.It was of 30 mins.
Next technical aptitude and coding questions were of 50 mins duration.
Technical aptitude questions were from OS,C,C++,DBMS.Questions were based on basic concepts.
There were 3 coding questions.
1.A girl eat fish of exact length of 10.She can cut the fish to get the desired length.An array of lengths of fish and maximum possible cuts allowed were given.Find out the max number of fish the girl can eat.
2. A 2-D rectangular board which contains sand grains : 'o' ,obstacles: 'x' and empty cells : '.' .The board is kept vertical. The sand grain can move down into and empty cell but it cannot cross obstacle. find out the final position of all sand grains in the board.
3.It was question on subsequence .
Tips: Just keep your basic concepts clear. Practice questions on strings,dynamic programming and recursion.Go through Geeksforgeeks .It'll help you a lot.
Duration: 80mins minutes
Total Questions: 50

Round: Technical Interview
Experience: The interviewer was very calm and polite. He was giving me hints and enough time to solve the questions.
Tips: Keep talking with the interviewer .Discuss your approach. Do take hints they give you.

Round: Technical Interview
Experience: I was stuck in one or two questions but they keep giving me hints. Interviewers were very nice. They were asking me the approach for each question. They were very cool.

Tips: Stay calm and go ahead. Apply whatever basic knowledge you have . keep asking doubts for the questions if you have any.

Round: Technical Interview
Experience: He asked me about my projects. What was my role. It was an hour long round. Enough time was given to solve each question.I was asked to write code with minimum complexity.
Tips: Keep discussing the questions. Try to reach to the best approach .keep smiling.Never fake your resume.

Round: HR Interview
Experience: The HR was very polite.I was a bit nervous at first but then I was relaxed.
Tips: Just be yourself .You are almost done when you are selected for HR. :) Keep Smiling and be confident about what ever you say.

General Tips: Be confident and have clear basic concepts of all subjects.
Skill Tips: Practise as many questions as you can on geeksforgeeks.
Skills: Coding skills, Logical skills, Aptitude, Basic Knowledge of DBMS
College Name: NIT Hamirpur
Motivation: My recent project work related to E-commerce and the reputation and ecstatic growth of the company in recent months.
Funny Moments: after one of the technical round , interviewer asked me if i had any questions about the company.I asked them what kind of rewards will be given .. do you guys go for trips and get any free coupons :P

Skills evaluated in this interview

Interview Questionnaire 

21 Questions

  • Q1. Discussion of previous written test questions
  • Q2. Find the odd repeating element from a set of repeating elements
  • Ans. 

    Find the odd repeating element from an array of strings

    • Use a hash table to count the frequency of each element

    • Iterate through the hash table to find the element with an odd count

  • Answered by AI
  • Q3. A 2D matrix is given which is row wise and column wise sorted. Find a particular element from it
  • Ans. 

    Finding an element in a sorted 2D matrix

    • Start from the top right corner or bottom left corner

    • Compare the target element with the current element

    • Move left or down if the target is smaller, else move right or up

    • Repeat until the target is found or all elements are checked

  • Answered by AI
  • Q4. SQL Query to find Nth highest salary from table
  • Ans. 

    SQL query to find Nth highest salary from table

    • Use ORDER BY and LIMIT clauses

    • Use subquery to get the Nth highest salary

    • Handle cases where there are less than N distinct salaries

  • Answered by AI
  • Q5. Another basic SQL query
  • Q6. Write a function that returns '3' when '4' is passed as an input and vice versa without using if-else condition
  • Ans. 

    Function to swap '3' and '4' without using if-else

    • Use XOR operator to swap the values

    • Convert the input to ASCII code and perform the swap

    • Use a lookup table to map the values

  • Answered by AI
  • Q7. Question on Suffix trees
  • Q8. Question on Tries
  • Q9. Question on Ternary search trees
  • Q10. Question on hash maps
  • Q11. Question on complexity of an algorithm
  • Q12. 3-4 SQL queries
  • Q13. Question on SQL joins
  • Q14. JAVA questions on static block,static function and static variables
  • Q15. JAVA questions on memory initialization and references
  • Q16. Puzzle on measuring exactly half a glass of water
  • Q17. Introduce yourself
  • Ans. 

    I am a software developer with experience in Java and Python.

    • Proficient in Java and Python programming languages

    • Experience in developing web applications using Spring framework

    • Familiarity with database management systems like MySQL and MongoDB

  • Answered by AI
  • Q18. Why PAYTM?
  • Ans. 

    PAYTM is a leading digital payment platform in India with a wide range of services.

    • PAYTM has a user-friendly interface and offers a seamless payment experience.

    • It provides a variety of services like mobile recharges, bill payments, and online shopping.

    • PAYTM has a strong focus on security and fraud prevention measures.

    • It has a large user base and is widely accepted by merchants across India.

    • PAYTM is constantly innovatin...

  • Answered by AI
  • Q19. Will you go for further studies?
  • Ans. 

    Yes, I am open to pursuing further studies in the future.

    • I believe in continuous learning and staying updated with the latest technologies.

    • Further studies can help me specialize in a particular field and enhance my skills.

    • I may consider pursuing a master's degree in computer science or a related field.

    • However, my immediate focus is on gaining practical experience and contributing to the organization.

  • Answered by AI
  • Q20. Why do you think has PAYTM grown so fast?
  • Ans. 

    PAYTM grew fast due to its innovative approach and early adoption of digital payments.

    • Early adoption of digital payments in India

    • Innovative approach with features like mobile recharges, bill payments, and cashback offers

    • Expansion into e-commerce and financial services

    • Strategic partnerships with major companies like Uber and Alibaba

  • Answered by AI
  • Q21. (looking at my CGPA of 9) You can get a better company. Then Why PAYTM only?

Interview Preparation Tips

Round: Test
Experience: there were 20 mcqs and 2 coding questions. It was a pen and paper test. We were given 1 hour to solve it. The mcqs were of average difficulty. The 2 coding questions were:
1. A variation of the standard Josephus Problem
2. Find the 'x' largest elements from 'n' input elements without using sorting.
Tips: They focus on algorithms not on complete solutions. Do not leave any question unattempted. If you do not know the exact approach then use Brute-Force approach.

Round: Technical Interview
Experience: The Interviewer was very nice. He was focussing on the approach used not on codes.
Tips: Be calm and think by basics :)

Round: Technical Interview
Experience: The interviewer asked high level data structures in this round. But again he saw the approach used and not exact solution
Tips: Don't give up. Tell whatever you know

Round: Technical Interview
Experience: JAVA questions were based on very detailed concepts. Study OOP properly.
Tips: Maintain your calm :)

Round: HR Interview
Experience: Overall the experience was nice and smooth.
Tips: If they allow you to ask them any question then ask them something about the company. They should find you interested in the company :)

General Tips: Just be cool. Show them you are enthusiastic to learn and work. While prepration focus on Basics and Algorithms. Prepare DBMS nicely too :)
Skill Tips: Have full knowledge about your projects
Skills: JAVA, Data Structures, Operating systems, Network Programming, DBMS
College Name: NIT Jalandhar
Motivation: PAYTM is a perfect mix for the dynamic startup culture and stability of a big organiztaion. PAYTM has an amazing work culture and excellent opportunities for growth

Skills evaluated in this interview

Interview Questionnaire 

7 Questions

  • Q1. Given an array find the number of conitnuous sequences having equal number of 0's and 1's
  • Ans. 

    Count the number of continuous sequences with equal number of 0's and 1's in an array.

    • Iterate through the array and keep track of the count of 0's and 1's encountered so far.

    • Store the difference between the counts in a hash table and increment the count for that difference.

    • If the difference is already present in the hash table, add the count to the existing value.

    • Return the sum of all values in the hash table.

  • Answered by AI
  • Q2. Number of substrngs which are palindrome
  • Ans. 

    Count the number of palindromic substrings in a given string.

    • A substring is a contiguous sequence of characters within a string.

    • A palindrome is a string that reads the same backward as forward.

    • Use dynamic programming to count all palindromic substrings.

    • Time complexity can be reduced to O(n^2) using Manacher's algorithm.

  • Answered by AI
  • Q3. Longest Palindrom in a string in O(n)
  • Ans. 

    Find the longest palindrome in a given string in linear time complexity.

    • Use Manacher's algorithm to find the longest palindrome in a string in O(n) time complexity.

    • The algorithm involves preprocessing the string to add special characters to handle even and odd length palindromes.

    • Then, it uses a combination of dynamic programming and symmetry properties to find the longest palindrome.

    • For example, in the string 'babad',

  • Answered by AI
  • Q4. Find the value of pie
  • Ans. 

    The value of pie is a mathematical constant approximately equal to 3.14159.

    • Pie is the ratio of the circumference of a circle to its diameter.

    • It is an irrational number, meaning it cannot be expressed as a finite decimal or fraction.

    • Pie is commonly used in geometry and trigonometry calculations.

    • The value of pie is often approximated as 3.14 or 22/7.

  • Answered by AI
  • Q5. Project discussion
  • Q6. Tell me about yourself
  • Ans. 

    I am a passionate software engineer with experience in developing web applications using various technologies.

    • Experienced in developing web applications using HTML, CSS, JavaScript, and frameworks like React and Angular

    • Proficient in backend development with Node.js and databases like MongoDB and MySQL

    • Familiar with version control systems like Git and deployment tools like Docker

    • Strong problem-solving skills and ability

  • Answered by AI
  • Q7. Will u be able to fit in the company ?
  • Ans. 

    Yes, I believe I will be able to fit in the company based on my experience, skills, and values.

    • I have experience working in diverse teams and adapting to different work cultures.

    • I share the company's values and vision, which align with my own.

    • I am eager to learn and contribute to the team, fostering a positive work environment.

    • I have strong communication skills, which are essential for collaboration and teamwork.

  • Answered by AI

Interview Preparation Tips

Round: Test
Duration: 20 minutes
Total Questions: 20

Round: Technical Interview
Experience: Nice
Tips: Cormen
Programming contests
Interviewbit.com
geeksforgeeks.com

Round: Technical Interview
Experience: niice
Tips: Cormen
Programming contests
Interviewbit.com
geeksforgeeks.com

Round: Technical Interview
Experience: nice
Tips: do some projects

Round: HR Interview
Experience: nice
Tips: read on google on how to answer such questions

General Tips: geeksforgeeks.com
Skill Tips: Cormen
Programming contests
Interviewbit.com
geeksforgeeks.com
Skills: c , algorithms , data structures
College Name: Delhi Technological University, Delhi

Skills evaluated in this interview

Infibeam Interview FAQs

How many rounds are there in Infibeam interview?
Infibeam interview process usually has 2-3 rounds. The most common rounds in the Infibeam interview process are One-on-one Round, HR and Resume Shortlist.
What are the top questions asked in Infibeam interview?

Some of the top questions asked at the Infibeam interview -

  1. Which language do you prefer to code in? "Have you read The C Programming Langu...read more
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