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MathCo Interview Questions, Process, and Tips

Updated 27 Feb 2025

Top MathCo Interview Questions and Answers

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110 interviews found

Cloud Data Engineer II Interview Questions & Answers

user image ABHISHEK JHA

posted on 27 Nov 2024

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Oct 2024. There were 3 interview rounds.

Round 1 - Technical 

(8 Questions)

  • Q1. End to end architecture of current project
  • Q2. Basic spark code to read & write files
  • Q3. How to upsert data in table in spark
  • Q4. How do you handle sudden increase in data volume
  • Q5. Discussion on delta tables & ACID transactions
  • Q6. Explain autoloader and use case in Databricks
  • Q7. SQL question using window functions Lead, row number
  • Q8. Python question using hashmap & String
Round 2 - One-on-one 

(4 Questions)

  • Q1. Current project understanding end to end
  • Q2. Data pipeline design for a ride sharing company, ask bunch of follow up questions on the conclude a particular design.
  • Q3. Explain how you follow SDLC(Agile, waterfall) ?
  • Q4. Why are you looking for a change now
Round 3 - HR 

(4 Questions)

  • Q1. Basic introductions
  • Q2. What kind of work are you looking for? what do you know about the company
  • Q3. Willing to relocate?
  • Q4. Personal hobbies and aspirations

Interview Preparation Tips

Topics to prepare for MathCo Cloud Data Engineer II interview:
  • Spark
  • Python
  • SQL
  • System Design
  • Data Architecture
  • Streaming
Interview preparation tips for other job seekers - I had a brilliant experience interviewing at MathCo, Had awesome interviewers who push you thinking capabilities. Also given that I was at the end of my notice period, following rounds were scheduled quickly.
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-

I applied via Campus Placement

Round 1 - Aptitude Test 

Aptitude mostly involves basic Apti Questions(Alegbra, PnC, Probability, Percentage) and Logical and Cognitive Question.
apart from this there will be 2 coding questions if i can recall well( it will easy-medium or medium )

Round 2 - Technical 

(5 Questions)

  • Q1. Basic Interests that you have
  • Q2. About the project you worked on
  • Q3. Problem solving questions
  • Q4. Coding questions( Prime, factorial, fibonacci)
  • Q5. Suppose there are 3 students, everyone has x y and z salaries but no one is aware of each others salary. Find the avg of there salaries
  • Ans. 

    To find the average of the salaries of 3 students with unknown salaries, add x, y, and z and divide by 3.

    • Add the salaries of x, y, and z together

    • Divide the total sum by 3 to find the average salary

  • Answered by AI

Top MathCo Trainee Analyst Interview Questions and Answers

Q1. Suppose there are 3 students, everyone has x y and z salaries but no one is aware of each others salary. Find the avg of there salaries
View answer (1)

Trainee Analyst Interview Questions asked at other Companies

Q1. Ninja And StopsNinja wants to travel from his house to a given destination, which is ‘X’ miles from his house. Along the way, he needs to fill gas in his vehicle. He knows there are ‘Y’ stations in his way. He also knows the distance betwee... read more
View answer (3)
MathCo Interview Questions and Answers for Freshers
illustration image

UX Designer Interview Questions & Answers

user image Madhu Sudhan

posted on 4 Dec 2024

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

I applied via Company Website and was interviewed in Nov 2024. There were 2 interview rounds.

Round 1 - One-on-one 

(3 Questions)

  • Q1. Tell me your Design Process
  • Q2. Tell most challenging project you worked on
  • Q3. Tell about your background
Round 2 - One-on-one 

(2 Questions)

  • Q1. Portfolio Review
  • Q2. More about design process

UX Designer Interview Questions asked at other Companies

Q1. Which software will you use to design a logo and why?
View answer (3)
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via campus placement at B M S College of Engineering, Bangalore and was interviewed in Sep 2024. There were 4 interview rounds.

Round 1 - Aptitude Test 

It was 1 hour test, with logical,numerical,english

Round 2 - Communication round 

(2 Questions)

  • Q1. Few audios will be played , and u need to repeat the sentences
  • Q2. English grammer questions , and correcting the wrong statements
Round 3 - One-on-one 

(2 Questions)

  • Q1. Finding the missing element in the array
  • Ans. 

    Finding the missing element in an array of strings

    • Iterate through the array and check for any missing elements

    • Use a hash set to keep track of elements that have been seen

    • Compare the elements in the array to a reference list of all possible elements

    • Example: ['apple', 'banana', 'orange', 'grape'] - missing 'kiwi'

    • Example: ['red', 'blue', 'green', 'yellow'] - missing 'purple'

  • Answered by AI
  • Q2. About the projects mentioned in resume
Round 4 - One-on-one 

(2 Questions)

  • Q1. It was hr round, and few puzzles were asked
  • Q2. And what do i actually expect from this job

Skills evaluated in this interview

Top MathCo Trainee Analyst Interview Questions and Answers

Q1. Suppose there are 3 students, everyone has x y and z salaries but no one is aware of each others salary. Find the avg of there salaries
View answer (1)

Trainee Analyst Interview Questions asked at other Companies

Q1. Ninja And StopsNinja wants to travel from his house to a given destination, which is ‘X’ miles from his house. Along the way, he needs to fill gas in his vehicle. He knows there are ‘Y’ stations in his way. He also knows the distance betwee... read more
View answer (3)

MathCo interview questions for popular designations

 Analyst

 (22)

 Data Analyst

 (15)

 Trainee Analyst

 (15)

 Senior Associate

 (5)

 Associate Data Scientist

 (4)

 Delivery Manager

 (4)

 Data Science Intern

 (3)

 Software Developer

 (3)

Interview experience
3
Average
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Oct 2024. There were 2 interview rounds.

Round 1 - Coding Test 

Basic python problems (leetcode easy)

Round 2 - One-on-one 

(3 Questions)

  • Q1. System design for uber
  • Ans. 

    System design for Uber involves creating a scalable and reliable platform for matching riders with drivers.

    • Use microservices architecture for scalability and fault tolerance

    • Implement geolocation services for real-time tracking of drivers and riders

    • Utilize a distributed database for storing user and trip data

    • Design a robust payment system for seamless transactions

    • Implement surge pricing algorithms to manage demand durin

  • Answered by AI
  • Q2. Database you choose for transactions
  • Ans. 

    I would choose a relational database like MySQL or PostgreSQL for transactions due to their ACID compliance and strong support for transactions.

    • Relational databases like MySQL or PostgreSQL are commonly used for transactions due to their ACID compliance.

    • These databases provide strong support for transactions, ensuring data integrity and consistency.

    • Other options like NoSQL databases can also be considered depending on ...

  • Answered by AI
  • Q3. Deep architecture

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident in what you're saying

Skills evaluated in this interview

Cloud Engineer 2 Interview Questions asked at other Companies

Q1. How to restart service on linux
View answer (1)

Get interview-ready with Top MathCo Interview Questions

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Basic aptitude with pseudocode and scenario-based questions

Round 2 - speech 

(2 Questions)

  • Q1. Basic grammar, speech
  • Q2. A place you would like to visit
  • Ans. 

    I would love to visit the ancient city of Petra in Jordan.

    • Petra is a UNESCO World Heritage Site known for its rock-cut architecture and water conduit system.

    • The Treasury and the Monastery are iconic structures in Petra.

    • Exploring the narrow Siq canyon leading to the Treasury is a must-do experience.

    • Learning about the history and culture of the Nabatean civilization that once inhabited Petra.

    • Taking a camel ride through t

  • Answered by AI
Round 3 - Technical 

(2 Questions)

  • Q1. Project based, how would u scale it further
  • Q2. Sort an array of integers, find the max of two numbers using sql
  • Ans. 

    Sorting and finding max of two numbers in an array using SQL

    • Use ORDER BY to sort the array of integers

    • Use LIMIT 2 to get the top two numbers

    • Use MAX function to find the maximum of the two numbers

  • Answered by AI
Round 4 - HR 

(2 Questions)

  • Q1. Introduction, scenario-based
  • Q2. What do u know about the company, what's ur goal 3 years down the line
  • Ans. 

    I know that the company is a leading financial services firm with a strong reputation. My goal in 3 years is to become a Senior Analyst and contribute significantly to the company's success.

    • The company is a well-established financial services firm known for its expertise in analytics and market research.

    • They have a strong reputation for providing innovative solutions to clients and maintaining high standards of profess...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - prepare on your resume.

Skills evaluated in this interview

Top MathCo Trainee Analyst Interview Questions and Answers

Q1. Suppose there are 3 students, everyone has x y and z salaries but no one is aware of each others salary. Find the avg of there salaries
View answer (1)

Trainee Analyst Interview Questions asked at other Companies

Q1. Ninja And StopsNinja wants to travel from his house to a given destination, which is ‘X’ miles from his house. Along the way, he needs to fill gas in his vehicle. He knows there are ‘Y’ stations in his way. He also knows the distance betwee... read more
View answer (3)

Jobs at MathCo

View all
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Jul 2024. There were 3 interview rounds.

Round 1 - Aptitude Test 

Aptitude, verbal ,Pseudo-code, reasoning

Round 2 - Technical 

(1 Question)

  • Q1. 1) How are you updated about current changes in technology 2)Is it possible to have different datatypes in an array 3)Difference btw list and tuple 4)Challenges faced while doing the project. 5)Why wa...
  • Ans. 

    Answering questions related to technology, project management, and programming concepts in an interview for Trainee Analyst position.

    • Stay updated on technology changes through online resources, tech blogs, forums, and attending workshops/seminars.

    • Yes, it is possible to have different data types in an array in programming languages like Python.

    • List is mutable (can be changed) while tuple is immutable (cannot be changed)...

  • Answered by AI
Round 3 - HR 

(1 Question)

  • Q1. 1)SQL/Python based puzzle output 2)Which position do you see in 10 years 3)What in your technical skills is ur favourite subject. 4)Did u do any applied Python projects 5)Type of questions you are expert i...

Top MathCo Trainee Analyst Interview Questions and Answers

Q1. Suppose there are 3 students, everyone has x y and z salaries but no one is aware of each others salary. Find the avg of there salaries
View answer (1)

Trainee Analyst Interview Questions asked at other Companies

Q1. Ninja And StopsNinja wants to travel from his house to a given destination, which is ‘X’ miles from his house. Along the way, he needs to fill gas in his vehicle. He knows there are ‘Y’ stations in his way. He also knows the distance betwee... read more
View answer (3)
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Aug 2024. There were 4 interview rounds.

Round 1 - Aptitude Test 

It was having basic aptitude questions

Round 2 - Communication 

(2 Questions)

  • Q1. They asked basic english question
  • Q2. And alos topic was provided so we had to speak on it.
Round 3 - Technical 

(2 Questions)

  • Q1. SQL syntax and difference between having and where clause
  • Ans. 

    HAVING clause is used with GROUP BY to filter grouped rows, WHERE clause is used to filter individual rows.

    • HAVING clause is used with GROUP BY to filter grouped rows based on aggregate functions

    • WHERE clause is used to filter individual rows based on conditions

    • HAVING clause is applied after GROUP BY, WHERE clause is applied before GROUP BY

    • HAVING clause can only be used with SELECT statement that contains a GROUP BY clau

  • Answered by AI
  • Q2. Difference between array and linkedlist,stack and queue
  • Ans. 

    Arrays store elements in contiguous memory, while linked lists use nodes with pointers. Stacks follow LIFO, queues follow FIFO.

    • Arrays store elements in contiguous memory locations, allowing for constant time access to elements using indices.

    • Linked lists use nodes with pointers to the next node, allowing for dynamic memory allocation and insertion/deletion at any position.

    • Stacks follow Last In First Out (LIFO) principle...

  • Answered by AI
Round 4 - HR 

(2 Questions)

  • Q1. Tell me about your self
  • Ans. 

    I am a data science enthusiast with a strong background in statistics and machine learning.

    • Completed coursework in data analysis, statistical modeling, and predictive analytics

    • Proficient in programming languages such as Python, R, and SQL

    • Experience with data visualization tools like Tableau and Power BI

    • Worked on projects involving regression analysis, clustering, and classification algorithms

  • Answered by AI
  • Q2. Why you want to join this role
  • Ans. 

    I am passionate about using data to solve complex problems and make informed decisions.

    • I have a strong background in statistics, mathematics, and programming, which are essential skills for a data science role.

    • I am excited about the opportunity to work with real-world data and apply machine learning algorithms to extract valuable insights.

    • I am eager to learn from experienced data scientists and contribute to innovative

  • Answered by AI

Skills evaluated in this interview

Data Science Intern Interview Questions asked at other Companies

Q1. Rotate Matrix by 90 Degrees Problem Statement Given a square matrix 'MATRIX' of non-negative integers, rotate the matrix by 90 degrees in an anti-clockwise direction using only constant extra space. Input: The first line of input contains a... read more
View answer (1)
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. What are React Queries?
  • Ans. 

    React Queries are a library for managing server state in React applications.

    • React Queries provide a way to fetch and cache data from an API in React components.

    • They offer features like caching, background fetching, and automatic refetching.

    • React Queries can handle complex data fetching requirements, such as pagination and infinite scrolling.

  • Answered by AI
  • Q2. Can useEffect() hook run twice?
  • Ans. 

    Yes, useEffect() hook can run twice under certain conditions.

    • useEffect() hook can run twice if the dependencies array changes between renders.

    • This can happen if the dependencies array contains values that change frequently.

    • For example, if a state variable is included in the dependencies array and it is updated in the component, useEffect() will run again.

  • Answered by AI

Skills evaluated in this interview

Software Developer Interview Questions asked at other Companies

Q1. Maximum Subarray Sum Problem Statement Given an array of integers, determine the maximum possible sum of any contiguous subarray within the array. Example: Input: array = [34, -50, 42, 14, -5, 86] Output: 137 Explanation: The maximum sum is... read more
View answer (39)

Analyst Interview Questions & Answers

user image Kirti

posted on 15 Aug 2024

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

I applied via Campus Placement

Round 1 - Technical 

(3 Questions)

  • Q1. What is array what is a linkedlist
  • Ans. 

    An array is a data structure that stores a collection of elements of the same type in contiguous memory locations. A linked list is a data structure that consists of nodes where each node contains a data field and a reference to the next node in the sequence.

    • Array is static in size and elements are accessed using indices.

    • Linked list is dynamic in size and elements are accessed sequentially by following the references.

    • E...

  • Answered by AI
  • Q2. What is search engine optimization
  • Ans. 

    Search engine optimization (SEO) is the process of improving a website's visibility on search engines like Google.

    • SEO involves optimizing website content, meta tags, and backlinks to improve search engine rankings.

    • Keyword research is essential for SEO to target relevant search terms.

    • Creating high-quality content and obtaining backlinks from reputable websites can boost SEO.

    • Regularly monitoring and adjusting SEO strateg...

  • Answered by AI
  • Q3. What is javas main method refers too
  • Ans. 

    The main method in Java refers to the entry point of a Java program where the execution begins.

    • The main method must be declared as public static void main(String[] args)

    • It is the starting point of a Java program where the JVM looks for the main method to start execution

    • The main method takes an array of strings as input which can be used to pass command line arguments

  • Answered by AI
Round 2 - HR 

(2 Questions)

  • Q1. Where do you want to see you in next five years
  • Ans. 

    In the next five years, I see myself advancing in my career as an Analyst, taking on more responsibilities and contributing to the growth of the company.

    • Continuing to develop my analytical skills through ongoing training and learning opportunities

    • Taking on leadership roles within the team or department

    • Contributing to strategic decision-making processes

    • Building strong relationships with clients and stakeholders

    • Possibly ...

  • Answered by AI
  • Q2. Introduce yourself

Skills evaluated in this interview

Top MathCo Analyst Interview Questions and Answers

Q1. How will you cut a piece of cake to 8 in minimum cuts
View answer (1)

Analyst Interview Questions asked at other Companies

Q1. N-th Fibonacci NumberYou are 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. Fibonacci number is calculated u... read more
View answer (5)
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MathCo Interview FAQs

How many rounds are there in MathCo interview?
MathCo interview process usually has 2-3 rounds. The most common rounds in the MathCo interview process are Technical, Aptitude Test and HR.
How to prepare for MathCo interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at MathCo. The most common topics and skills that interviewers at MathCo expect are Python, SQL, Data Warehousing, HTML and Big Data.
What are the top questions asked in MathCo interview?

Some of the top questions asked at the MathCo interview -

  1. How will you cut a piece of cake to 8 in minimum cut...read more
  2. Explain statistical concepts like Hypothesis testing, and type 1 and type 2 err...read more
  3. Display only those elements which do not occur more than on...read more
How long is the MathCo interview process?

The duration of MathCo interview process can vary, but typically it takes about less than 2 weeks to complete.

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MathCo Interview Process

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