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Intercontinental Exchange System Operation Specialist Interview Questions and Answers

Updated 12 Jul 2021

Intercontinental Exchange System Operation Specialist Interview Experiences

1 interview found

I applied via Naukri.com and was interviewed in Jun 2021. There were 3 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. Internet troubleshooting related issues
  • Q2. Commant promy usage
  • Ans. 

    Command prompt is a command-line interpreter used to execute commands in Windows operating system.

    • Used to perform various tasks such as file management, network configuration, and system troubleshooting

    • Commands are entered in the form of text strings and executed by pressing Enter key

    • Some commonly used commands are dir, cd, ipconfig, ping, and tasklist

  • Answered by AI
  • Q3. Few unix commands

Interview Preparation Tips

Interview preparation tips for other job seekers - Good communication skills would help to clear this interview as we would be working mostly with Usa employees.

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
No response
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 - Aptitude Test 

Basic Accounting, English Grammar

Round 3 - Group Discussion 

Genral Topic you can choose anyone, Be more confident that wahat they look

Round 4 - One-on-one 

(2 Questions)

  • Q1. Mutual fund, Derivatives, How do you manage Night shifts,
  • Q2. Tell me about Yourself, Company details,

I was interviewed before Jan 2021.

Round 1 - Coding Test 

(2 Questions)

Round duration - 90 minutes
Round difficulty - Medium

It was conducted in Hacker rank which consisted of 10 aptitude questions that included C, C++, Java MCQ. 2 programming questions were also given.

  • Q1. 

    Minimum Cost Path Problem Statement

    Given an N x M matrix filled with integers, determine the minimum sum obtainable from a path that starts at a specified cell (x, y) and ends at the top left corner of t...

  • Ans. 

    The problem involves finding the minimum sum path from a specified cell to the top left corner of a matrix.

    • Start from the specified cell and calculate the minimum sum path to reach the top left corner using dynamic programming.

    • Consider the three possible moves: down, right, and down-right diagonal.

    • Keep track of the minimum sum at each cell and update it based on the minimum of the three possible moves.

    • Finally, the mini...

  • Answered by AI
  • Q2. 

    Balanced Parentheses Combinations

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

    Explanati...

  • Ans. 

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

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

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

    • Recursively generate combinations by adding open parentheses if there are remaining, and closing parentheses if the number of open parentheses is greater than the number of clo...

  • Answered by AI
Round 2 - Face to Face 

(4 Questions)

Round duration - 60 minutes
Round difficulty - Medium

Technical round with questions based on data structures, oops and networking.

  • Q1. 

    Character Counting Challenge

    Create a program that counts and prints the total number of specific character types from user input. Specifically, you need to count lowercase English alphabets, numeric digi...

  • Ans. 

    Create a program to count lowercase alphabets, digits, and white spaces from user input until '$' is encountered.

    • Read characters from input stream until '$' is encountered

    • Count lowercase alphabets, digits, and white spaces separately

    • Print the counts of each character type as three integers separated by spaces

  • Answered by AI
  • Q2. 

    K Largest Elements Problem Statement

    Given an unsorted array containing 'N' integers, you are required to find 'K' largest elements from the array and return them in non-decreasing order.

    Input:

    The fir...
  • Ans. 

    Find K largest elements in an unsorted array and return them in non-decreasing order.

    • Sort the array in non-decreasing order.

    • Return the last K elements of the sorted array.

  • Answered by AI
  • Q3. How can you check whether you have an internet connection on your system?
  • Ans. 

    To check internet connection on a system, you can use various methods like pinging a website or checking network status.

    • Use ping command to check connectivity to a website (e.g. ping www.google.com)

    • Check network status using network settings or command line tools

    • Try accessing a website or online service to verify internet connection

  • Answered by AI
  • Q4. What happens when you type a URL in a web browser?
  • Ans. 

    When you type a URL in a web browser, the browser sends a request to the server hosting the website, which then responds with the necessary files to display the webpage.

    • Browser checks cache for DNS resolution

    • If not found, browser sends a DNS query to resolve the domain name to an IP address

    • Browser establishes a TCP connection with the server

    • Browser sends an HTTP request to the server for the webpage

    • Server processes the...

  • Answered by AI
Round 3 - Face to Face 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Medium

Technical round with questions based on data structures, oops and networking.

  • Q1. 

    Counting Sort Problem Statement

    Ninja is learning about sorting algorithms, specifically those that do not rely on comparisons. Can you help Ninja implement the counting sort algorithm?

    Example:

    Input:
    ...
  • Ans. 

    Implement counting sort algorithm to sort an array of integers without comparisons.

    • Count the frequency of each element in the input array.

    • Calculate the prefix sum of frequencies to determine the position of each element in the sorted array.

    • Place each element in its correct position based on the prefix sum.

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

    • Example: ...

  • Answered by AI
  • Q2. What are the applications of the Fibonacci series in real life?
  • Ans. 

    The Fibonacci series has applications in various fields such as mathematics, computer science, art, and nature.

    • Used in algorithms for optimization problems and dynamic programming.

    • Found in nature, such as the arrangement of leaves on a stem, the branching of trees, and the spiral shapes of shells.

    • Applied in financial markets for predicting stock prices and analyzing market trends.

    • Utilized in art and design for creating

  • Answered by AI
Round 4 - HR 

Round duration - 30 minutes
Round difficulty - Easy

HR round where the interviewer asked questions to know more about me.

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAPaypal interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers

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

Application resume tips for other job seekers

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

Final outcome of the interviewSelected

Skills evaluated in this interview

I was interviewed before Jan 2021.

Round 1 - Face to Face 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Easy

I couldn't find an optimal approach to the first question, so she skipped that question and proceeded to next questions. Remaining questions I have answered satisfactorily.

  • Q1. 

    Subset Sum Equal To K Problem Statement

    Given an array/list of positive integers and an integer K, determine if there exists a subset whose sum equals K.

    Provide true if such a subset exists, otherwise r...

  • Ans. 

    Given an array of positive integers and an integer K, determine if there exists a subset whose sum equals K.

    • Use dynamic programming to solve this problem efficiently

    • Create a 2D array to store if a subset with a particular sum exists

    • Iterate through the array and update the 2D array accordingly

    • Check if the value at the end of the iteration is true for the given K

  • Answered by AI
  • Q2. 

    BFS Traversal in a Graph

    Given an undirected and disconnected graph G(V, E) where V vertices are numbered from 0 to V-1, and E represents edges, your task is to output the BFS traversal starting from the ...

  • Ans. 

    BFS traversal in a disconnected graph starting from vertex 0.

    • Implement BFS algorithm to traverse the graph starting from vertex 0.

    • Use a queue to keep track of visited nodes and their neighbors.

    • Ensure to print the traversal sequence in the correct order.

    • Handle disconnected components by checking for unvisited nodes.

    • Follow the BFS approach of exploring neighbors before moving to the next level.

  • Answered by AI
Round 2 - HR 

(1 Question)

Round duration - 60 minutes
Round difficulty - Easy

I told that my strength is problem solving and I can always find a way when there is a bottle-neck. Gave some examples of my experiences while doing my assignments.

  • Q1. 

    Replace Spaces in a String

    Given a string STR consisting of words separated by spaces, your task is to replace all spaces between words with the characters "@40".

    Input:

    The first line contains an integ...
  • Ans. 

    Replace spaces in a string with '@40'.

    • Iterate through each character in the string

    • Replace spaces with '@40'

    • Return the modified string

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAPaypal interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers

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

Application resume tips for other job seekers

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

Final outcome of the interviewSelected

Skills evaluated in this interview

I was interviewed before Jan 2021.

Round 1 - Face to Face 

(3 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Technical Interview Round with questions based on Data structures, OOPS and SQL.

  • Q1. 

    Delete a Node from a Linked List

    You are provided with a linked list of integers. Your task is to implement a function that deletes a node located at a specified position 'POS'.

    Input:

    The first line co...
  • Ans. 

    Implement a function to delete a node from a linked list at a specified position.

    • Traverse the linked list to find the node at the specified position.

    • Update the pointers of the previous and next nodes to skip the node to be deleted.

    • Handle edge cases such as deleting the head or tail of the linked list.

    • Ensure to free the memory of the deleted node to avoid memory leaks.

  • Answered by AI
  • Q2. Write an SQL query to find the nth highest salary.
  • Ans. 

    SQL query to find the nth highest salary

    • Use the ORDER BY clause to sort salaries in descending order

    • Use the LIMIT and OFFSET clauses to skip the first n-1 highest salaries

    • Combine the above steps in a single query to find the nth highest salary

  • Answered by AI
  • Q3. Can you explain the concepts of Object-Oriented Programming (OOP)?
  • Ans. 

    OOP is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.

    • OOP focuses on creating objects that interact with each other to solve problems.

    • Key concepts include encapsulation, inheritance, and polymorphism.

    • Encapsulation involves bundling data and methods that operate on the data into a single unit.

    • Inheritance allows classes to inherit at...

  • Answered by AI
Round 2 - Face to Face 

(4 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Was asked me about my favorite technologies, What i liked about Facebook. And asked me to design a cinema ticket reservation web site­ like the one satyam has.

  • Q1. 

    Kth Largest Element Problem

    Given an array containing N distinct positive integers and a number K, determine the Kth largest element in the array.

    Example:

    Input:
    N = 6, K = 3, array = [2, 1, 5, 6, 3, ...
  • Ans. 

    Find the Kth largest element in an array of distinct positive integers.

    • Sort the array in non-increasing order and return the Kth element.

    • Handle multiple test cases efficiently.

    • Ensure all elements in the array are distinct.

  • Answered by AI
  • Q2. What are virtual functions?
  • Ans. 

    Virtual functions are functions in a base class that are overridden in derived classes to achieve runtime polymorphism.

    • Virtual functions are declared in a base class with the 'virtual' keyword.

    • They are overridden in derived classes using the 'override' keyword.

    • They allow a function to be called based on the runtime type of an object.

    • Virtual functions enable dynamic binding and late binding in C++.

    • Example: virtual void ...

  • Answered by AI
  • Q3. Design a Cinema Ticket Reservation System.
  • Ans. 

    Design a Cinema Ticket Reservation System

    • Use a database to store movie information, showtimes, and seat availability

    • Allow users to search for movies, select showtimes, and choose seats

    • Implement a payment system for ticket purchases

    • Send confirmation emails with QR codes for ticket validation

  • Answered by AI
  • Q4. In how many attempts can you find a defective ball among 10 given balls using a two-pan balance scale?
  • Ans. 

    You can find a defective ball among 10 given balls in 2 attempts using a two-pan balance scale.

    • Divide the 10 balls into two groups of 5 each.

    • Weigh the two groups on the balance scale.

    • If one group is heavier, it contains the defective ball. If they are equal, the defective ball is in the remaining 5 balls.

    • Divide the group of 5 balls with the defective one into two groups of 2 and 3 balls.

    • Weigh the two groups on the bala...

  • Answered by AI
Round 3 - HR 

(1 Question)

Round duration - 30 minutes
Round difficulty - Easy

HR round that lasted for about 30 minutes. The interviewer asked me questions to know more about me and a puzzle.

  • Q1. Can you tell me about your projects and your extracurricular activities?

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAPaypal interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 3 monthsInterview preparation tips for other job seekers

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

Application resume tips for other job seekers

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

Final outcome of the interviewSelected

Skills evaluated in this interview

I was interviewed in Jun 2017.

Interview Questionnaire 

11 Questions

  • Q1. How does ajax call work
  • Ans. 

    Ajax calls allow for asynchronous communication between client and server without reloading the page.

    • Ajax stands for Asynchronous JavaScript and XML

    • Uses XMLHttpRequest object to send and receive data

    • Allows for partial page updates without reloading the entire page

    • Can handle data in various formats such as JSON, XML, HTML, and plain text

    • Example: $.ajax({url: 'example.com', success: function(data){console.log(data)}});

  • Answered by AI
  • Q2. Difference between REST and SOAP
  • Ans. 

    REST is lightweight and uses HTTP while SOAP is XML-based and has more features.

    • REST uses HTTP methods like GET, POST, PUT, DELETE while SOAP uses XML messaging.

    • REST is stateless while SOAP can maintain state.

    • REST is faster and easier to use while SOAP is more secure and reliable.

    • REST is used for web services while SOAP is used for enterprise-level services.

    • Example of REST: Twitter API. Example of SOAP: Amazon Web Serv

  • Answered by AI
  • Q3. What is GET and POST
  • Ans. 

    GET and POST are HTTP methods used for sending data to a server.

    • GET is used to retrieve data from a server

    • POST is used to submit data to a server

    • GET requests can be cached and bookmarked

    • POST requests are not cached and cannot be bookmarked

    • GET requests have length restrictions

    • POST requests have no length restrictions

    • GET requests are less secure than POST requests

  • Answered by AI
  • Q4. What is observer pattern
  • Ans. 

    Observer pattern is a design pattern in which an object maintains a list of its dependents and notifies them automatically of any state changes.

    • Also known as publish-subscribe pattern

    • Used in event-driven systems

    • Allows loose coupling between objects

    • Example: A weather station broadcasts weather updates to multiple displays

    • Example: A stock market ticker notifies multiple investors of stock price changes

  • Answered by AI
  • Q5. What is singleton
  • Ans. 

    Singleton is a design pattern that restricts the instantiation of a class to a single object.

    • Singleton ensures that only one instance of a class exists in the entire application.

    • It provides a global point of access to the instance.

    • Commonly used in scenarios where a single instance needs to coordinate actions across the system.

    • Example: Database connection manager, logger, configuration manager.

  • Answered by AI
  • Q6. What is immutable in java
  • Ans. 

    Immutable in Java refers to objects whose state cannot be changed after creation.

    • String, Integer, and other wrapper classes are immutable in Java.

    • Immutable objects are thread-safe and can be shared without synchronization.

    • To create an immutable class, make all fields final and private, and don't provide setters.

    • Examples of immutable classes in Java include LocalDate, LocalTime, and LocalDateTime.

  • Answered by AI
  • Q7. How do you create immutable in java
  • Ans. 

    Creating immutable in Java

    • Use final keyword to make variables immutable

    • Use private constructor to prevent object modification

    • Use defensive copying to prevent modification of mutable objects

    • Use enum to create immutable objects

    • Use String class to create immutable strings

  • Answered by AI
  • Q8. Where have you used immutable in java
  • Q9. What is dependency injection
  • Ans. 

    Dependency injection is a design pattern that allows objects to receive dependencies rather than creating them internally.

    • It helps to decouple the code and makes it more testable and maintainable.

    • It allows for easier swapping of dependencies without changing the code.

    • There are three types of dependency injection: constructor injection, setter injection, and interface injection.

    • Example: Instead of creating a database co...

  • Answered by AI
  • Q10. What is CORS
  • Ans. 

    CORS stands for Cross-Origin Resource Sharing. It is a security feature implemented in web browsers to restrict access to resources from different origins.

    • CORS allows web servers to specify which origins are allowed to access its resources

    • It is implemented using HTTP headers

    • CORS prevents malicious websites from accessing sensitive data from other websites

    • Examples of resources that may be restricted by CORS include cook

  • Answered by AI
  • Q11. How do you overcome CORS
  • Ans. 

    CORS can be overcome by configuring the server to allow cross-origin requests.

    • Configure the server to include the Access-Control-Allow-Origin header

    • Use JSONP (JSON with Padding) to bypass CORS restrictions

    • Use a proxy server to make the request on behalf of the client

    • Use a browser extension to disable CORS restrictions during development

    • Use a server-side proxy to forward requests to the target server

  • Answered by AI

Interview Preparation Tips

Skills: Java Programming

Skills evaluated in this interview

Software Developer Interview Questions & Answers

PayPal user image RAJIVTEJA NAGIPOGU

posted on 3 Dec 2016

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

Interview Questionnaire 

6 Questions

  • Q1. Given an array of numbers find the subset of numbers that give zero sum.
  • Ans. 

    Find subset of numbers in array that sum up to zero.

    • Use a nested loop to iterate through all possible subsets.

    • Calculate the sum of each subset and check if it equals zero.

    • Store the subset if the sum is zero.

    • Optimize the solution by using a hash set to store the cumulative sum of elements.

  • Answered by AI
  • Q2. Explain how bfs works?
  • Ans. 

    BFS (Breadth-First Search) is a graph traversal algorithm that explores all the vertices of a graph in breadth-first order.

    • BFS starts at a given vertex and explores all its neighbors before moving to the next level of vertices.

    • It uses a queue data structure to keep track of the vertices to be visited.

    • BFS guarantees that it visits all the vertices of a connected graph.

    • It can be used to find the shortest path between two

  • Answered by AI
  • Q3. Discussion on the projects I have done.
  • Q4. Question on Linked List.
  • Q5. Project Discussion
  • Q6. Strengths and weaknesses. Where do you see yourself in 5 years?
  • Ans. 

    In 5 years, I see myself as a highly skilled software developer, leading a team and contributing to innovative projects.

    • Continuously improving my technical skills through learning and hands-on experience

    • Taking on leadership roles and mentoring junior developers

    • Contributing to the development of cutting-edge software solutions

    • Building strong relationships with clients and stakeholders

    • Staying updated with the latest indu...

  • Answered by AI

Interview Preparation Tips

Round: Technical Interview
Experience: I couldn't find an optimal approach to the first question, so she skipped that question and proceeded to next questions. Remaining questions I have answered satisfactorily.

Round: Technical + HR Interview
Experience: I told that my strength is problem solving and I can always find a way when there is a bottle-neck. Gave some examples of my experiences while doing my assignments.

College Name: IIT Madras

Skills evaluated in this interview

Interview Questionnaire 

3 Questions

  • Q1. 1hr long.
  • Q2. 1 Hr.
  • Q3. Chilled out. Salary compensation

Interview Preparation Tips

Round: Resume Shortlist
Experience: CGPA 6 Above shortlisted

Round: Technical Interview
Experience: DSA, Analytics, Business Knowledge

Round: Technical Interview
Experience: Project, DBMS, OOPS, DW, Probability, Puzzles

I applied via Referral

Interview Questionnaire 

13 Questions

  • Q1. Which is my dream company?
  • Q2. What is my biggest achievement till date?
  • Ans. 

    My biggest achievement till date is successfully leading a team to develop and launch a new software product ahead of schedule.

    • Led a team of developers to create a new software product

    • Completed the project ahead of schedule

    • Received positive feedback from clients and stakeholders

  • Answered by AI
  • Q3. How would I handle conflicts with my team members?
  • Ans. 

    I would address conflicts directly and respectfully, seeking to understand the root cause and find a mutually beneficial solution.

    • Listen actively to understand the other person's perspective

    • Communicate clearly and respectfully

    • Identify the root cause of the conflict

    • Brainstorm potential solutions together

    • Be willing to compromise and find a mutually beneficial solution

  • Answered by AI
  • Q4. I have saved money from a year and bought my dream bike. It is the last round of Paypal interview today. I am on my way on the bike and it breaks down in a no parking zone. Suggest a win­win situation so...
  • Q5. What is success according to me?
  • Ans. 

    Success is achieving personal goals, feeling fulfilled, and making a positive impact.

    • Success is subjective and can vary from person to person.

    • It involves setting and achieving goals, both short-term and long-term.

    • Feeling fulfilled and content with one's accomplishments is a key aspect of success.

    • Making a positive impact on others or the world can also be a measure of success.

    • Success is not just about material wealth or...

  • Answered by AI
  • Q6. I was asked to write a code snippet from my project
  • Q7. Program to implement Dijkstra’s algorithm
  • Ans. 

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

    • Create a graph with nodes and edges

    • Assign a tentative distance to each node

    • Set the initial node as current and mark it visited

    • For each neighbor of the current node, calculate the tentative distance

    • If the tentative distance is less than the current distance, update the distance

    • Mark the current node as visited and select the unvisited node with the sma...

  • Answered by AI
  • Q8. Program to reverse a singly linked list
  • Ans. 

    A program to reverse a singly linked list

    • Create a new empty linked list

    • Traverse the original linked list and insert each node at the beginning of the new list

    • Return the new list

  • Answered by AI
  • Q9. Which algorithm would I use to sort a linked list and why? Subsequently, I was asked to explain the logic of merge sort
  • Q10. Suggest as many methods as possible for finding the nth largest element in an unsorted linked list
  • Ans. 

    Methods to find nth largest element in an unsorted linked list

    • Traverse the linked list and store elements in an array, sort the array and return the nth largest element

    • Use quickselect algorithm to find the nth largest element in O(n) time complexity

    • Implement a max heap and extract the nth largest element

    • Divide the linked list into smaller sublists and recursively find the nth largest element

    • Use merge sort to sort the l

  • Answered by AI
  • Q11. How would I explain the concept of prime number to an illiterate?
  • Ans. 

    A prime number is a number that is divisible only by 1 and itself.

    • A prime number has exactly two factors: 1 and itself.

    • Prime numbers cannot be divided evenly by any other number.

    • Examples of prime numbers include 2, 3, 5, 7, 11, 13, 17, etc.

  • Answered by AI
  • Q12. Give a few test cases for a bank transaction
  • Ans. 

    Test cases for a bank transaction

    • Transaction amount within account balance limit

    • Transaction amount exceeds account balance limit

    • Transaction to a valid account number

    • Transaction to an invalid account number

    • Transaction with correct transaction code

    • Transaction with incorrect transaction code

    • Transaction during bank working hours

    • Transaction outside bank working hours

  • Answered by AI
  • Q13. Design classes for educational institutions in a city
  • Ans. 

    Design classes for educational institutions in a city

    • Identify the main entities: schools, students, teachers, courses

    • Create a School class with attributes like name, address, and a list of students and teachers

    • Create a Student class with attributes like name, age, and a list of courses

    • Create a Teacher class with attributes like name, specialization, and a list of courses

    • Create a Course class with attributes like name, ...

  • Answered by AI

Interview Preparation Tips

Skills:
College Name: NA

Skills evaluated in this interview

Data Analyst Interview Questions & Answers

PayPal user image AKASH KUMAR SINGH

posted on 2 Dec 2016

I applied via Campus Placement and was interviewed in Dec 2016. There were 6 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. For this round he gave me lot of problems and asked to develop optimal algorithm to solve that. Problems were mainly on trees and number sequences
  • Q2. In this round he mainly discussed my projects and asked me how these can be put to use in Paypal. He also asked some basic questions from ML
  • Q3. HR round was just for formality
  • Q4. Probability , question on calculating expected number of trials and puzzles

Interview Preparation Tips

Round: Test
Experience: The coding question was:
Given a binary string containing 0's and 1's. You can split the string such that each partition should be a exponential of 5 (1,5,25,625...). You were asked to return minimum number of partition for the given string such each partition is exponential of 5. If no such partition exists return -1.
Examples: '101101101' Ans: 3 (101, 101, 101)
'111' Ans: 3 (1,1,1)
10101 Ans: -1
Tips: For MCQ's prepare DSA, OS and Networking. For DSA you can refer to cormen
For Coding question practice on either geeksforgeeks or from any of the coding platforms like hackerrank
The shortlist was mainly dependent on coding question
Duration: 1 hour 30 minutes

Round: Puzzle Interview
Tips: Do lot of puzzles from heard on the street, -----/ , Try to search for more. It will be helpful in other interviews as well

Round: Technical Interview
Tips: Practice algorithm section from geeksforgeeks. There are lot of standard problems. The given questions were slightly modified version of standard problems

Round: Technical Interview
Tips: For this round you need to be well prepared with your projects and resume.

College Name: IIT Madras

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