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MathCo Senior Associate Interview Questions, Process, and Tips

Updated 27 Mar 2024

Top MathCo Senior Associate Interview Questions and Answers

View all 10 questions

MathCo Senior Associate Interview Experiences

5 interviews found

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Project description
  • Ans. 

    The project involves developing a new software application for data analysis.

    • Developing a software application for data analysis

    • Utilizing programming languages such as Python and R

    • Implementing statistical models and algorithms

    • Creating visualizations and reports for data interpretation

  • Answered by AI
  • Q2. Project, ML & Stats

Interview Preparation Tips

Interview preparation tips for other job seekers - Be thorough with the projects mentioned in the resume

I applied via LinkedIn and was interviewed in Nov 2022. There were 3 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 - Technical 

(2 Questions)

  • Q1. Describe the Project Architecture End-to-End
  • Ans. 

    The project architecture end-to-end includes the overall design and structure of the project from start to finish.

    • The architecture should include the hardware and software components, as well as the communication protocols and data flow.

    • It should also consider the scalability, security, and performance of the system.

    • Examples of project architecture include client-server, microservices, and event-driven architectures.

    • Th...

  • Answered by AI
  • Q2. Explain how will you implement SCD Type 2.
  • Ans. 

    SCD Type 2 is implemented by creating a new record for each change and maintaining a history of changes.

    • Identify the business key and version number for the dimension table.

    • Create a new record with a new version number for each change to the dimension data.

    • End-date the previous record and start-date the new record to maintain a history of changes.

    • Use effective dates to determine which record is active at any given poin...

  • Answered by AI
Round 3 - Technical 

(2 Questions)

  • Q1. Display only those elements which do not occur more than once.
  • Ans. 

    Display non-repeated elements

    • Iterate through the elements and count their occurrences

    • Display only those elements with occurrence count of 1

    • Use a hash table or dictionary to store the counts

    • Time complexity: O(n)

  • Answered by AI
  • Q2. Difference between a list and a tuple. Explain a use case where you will use a tuple.
  • Ans. 

    List vs Tuple and use case for Tuple

    • List is mutable while Tuple is immutable

    • List uses square brackets while Tuple uses parentheses

    • Tuple is used when data needs to be protected from modification

    • Tuple is also used for returning multiple values from a function

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - - Understanding Basics is the key to success.
- Work on SQL Problems

Skills evaluated in this interview

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Q5. What is the KPI in your organisation?
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Mar 2023. There were 3 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Leetcode 125: Valid Palindrome
  • Q2. Leetcode 1971: Find if path exists in graph
  • Ans. 

    Check if a path exists between two nodes in a graph

    • Use depth-first search (DFS) or breadth-first search (BFS) to traverse the graph

    • Start from the source node and explore all connected nodes until the destination node is reached

    • If the destination node is found during the traversal, return true; otherwise, return false

  • Answered by AI
Round 2 - Technical 

(2 Questions)

  • Q1. How will you store passwords in DB
  • Ans. 

    Store passwords securely using hashing algorithms and salt

    • Use strong hashing algorithms like bcrypt or SHA-256

    • Add a unique salt to each password before hashing

    • Store only the hashed password in the database

    • Regularly update hashing algorithms and salts for added security

  • Answered by AI
  • Q2. Explain "this" in JS
  • Ans. 

    In JavaScript, 'this' refers to the current object that is executing the current function.

    • The value of 'this' is determined by how a function is called.

    • When a function is called as a method of an object, 'this' refers to the object itself.

    • When a function is called in the global scope, 'this' refers to the global object (window in a browser, global in Node.js).

    • Arrow functions do not have their own 'this' value and inste...

  • Answered by AI
Round 3 - HR 

(1 Question)

  • Q1. Basic HR questions

Skills evaluated in this interview

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

I applied via Recruitment Consulltant and was interviewed before Jun 2022. There were 2 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 

(2 Questions)

  • Q1. How does RNN work?
  • Ans. 

    RNN stands for Recurrent Neural Network, a type of neural network designed to handle sequential data by maintaining a memory of previous inputs.

    • RNNs have loops within their architecture, allowing information to persist.

    • They are commonly used in natural language processing, speech recognition, and time series analysis.

    • An example of RNN is predicting the next word in a sentence based on previous words.

  • Answered by AI
  • Q2. What do you mean by topic modeling?
  • Ans. 

    Topic modeling is a technique used in natural language processing to discover the hidden thematic structure in a collection of texts.

    • Topic modeling is a type of statistical modeling that allows for the discovery of hidden patterns in a collection of documents.

    • It is often used in text mining to identify topics within a set of documents without the need for manual labeling.

    • One popular algorithm for topic modeling is Late...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare basics and have overall crisp responses

Skills evaluated in this interview

MathCo interview questions for designations

 Associate

 (2)

 Associate Engineer

 (1)

 Associate Analyst

 (1)

 Associate Consultant

 (1)

 Associate Data Scientist

 (4)

 Data Science Associate

 (2)

 Associate Product Engineer

 (1)

 Associate Fullstack Developer

 (1)

I applied via Recruitment Consultant and was interviewed in Apr 2021. There were 4 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Technical related questions, based on your domain
  • Q2. Total 3 rounds

Interview Preparation Tips

Interview preparation tips for other job seekers - good communication,
good technical knowledge based on your domain

Get interview-ready with Top MathCo Interview Questions

Interview questions from similar companies

Interview Questionnaire 

1 Question

  • Q1. Batches,triggers

I applied via Job Fair and was interviewed before Feb 2021. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Code any program in 2 languages
  • Ans. 

    I can code a program in Python and Java.

    • I am proficient in both Python and Java programming languages.

    • I have experience in developing web applications using Python and Java frameworks.

    • I can write efficient and optimized code in both languages.

    • I can develop programs for data analysis, machine learning, and automation using Python.

    • I can develop enterprise-level applications using Java.

    • Examples: Python - a program to scra...

  • Answered by AI
  • Q2. Behavioral questions on why you want to join?

Interview Preparation Tips

Interview preparation tips for other job seekers - be confident and answer how much you know
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Dec 2023. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Ridge and lasso regression difference
  • Ans. 

    Ridge and lasso regression are both regularization techniques used in linear regression to prevent overfitting by adding penalty terms to the cost function.

    • Ridge regression adds a penalty term equivalent to the square of the magnitude of coefficients, while lasso regression adds a penalty term equivalent to the absolute value of the magnitude of coefficients.

    • Ridge regression tends to shrink the coefficients towards zer...

  • Answered by AI
  • Q2. Random forest vs decision tree vs xg boost
  • Ans. 

    Random forest is an ensemble method using multiple decision trees, XGBoost is a gradient boosting algorithm that builds trees sequentially.

    • Random forest is an ensemble learning method that builds multiple decision trees and combines their predictions.

    • Decision tree is a single tree model that makes decisions based on features to predict outcomes.

    • XGBoost is a gradient boosting algorithm that builds trees sequentially, op...

  • Answered by AI
Round 2 - HR 

(2 Questions)

  • Q1. Why do you not want to opt for higher studies
  • Q2. What to do when a team member is not collaborating

Interview Preparation Tips

Interview preparation tips for other job seekers - Read about pharma industry

Skills evaluated in this interview

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

I was interviewed in Aug 2023.

Round 1 - Aptitude Test 

Logical, statistics, Aptitude, Data science and analytics

Round 2 - Technical 

(2 Questions)

  • Q1. Difference between Delete and Truncate in SQL
  • Ans. 

    Delete removes specific rows from a table, while Truncate removes all rows from a table.

    • Delete is a DML command, while Truncate is a DDL command.

    • Delete can be rolled back, while Truncate cannot be rolled back.

    • Delete maintains the table structure and indexes, while Truncate resets the table structure and indexes.

    • Delete triggers delete triggers and delete constraints, while Truncate does not trigger any triggers or const...

  • Answered by AI
  • Q2. Assumptions of regression
  • Ans. 

    Assumptions of regression

    • Linearity: The relationship between the independent and dependent variables is linear.

    • Independence: The residuals are independent of each other.

    • Homoscedasticity: The variance of the residuals is constant across all levels of the independent variables.

    • Normality: The residuals are normally distributed.

    • No multicollinearity: The independent variables are not highly correlated with each other.

  • Answered by AI

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Feb 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

General aptitude test on an online platform with camera and mic monitoring.

Round 2 - One-on-one 

(1 Question)

  • Q1. One on one round with manager and senior manager. Basic questions about day to day responsibilities and tech stack.

Interview Preparation Tips

Topics to prepare for Axtria Senior Associate interview:
  • Pharma forecasting
  • Advanced Excel
  • Tableau
  • Powerpoint
  • powebi
Interview preparation tips for other job seekers - Be clear with the basics that you’re working on and in-depth on the projects that you’re working on.

MathCo Interview FAQs

How many rounds are there in MathCo Senior Associate interview?
MathCo interview process usually has 2-3 rounds. The most common rounds in the MathCo interview process are Technical, Resume Shortlist and HR.
How to prepare for MathCo Senior Associate 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, HTML, SQL, Adobe Creative Suite and Analytical.
What are the top questions asked in MathCo Senior Associate interview?

Some of the top questions asked at the MathCo Senior Associate interview -

  1. Display only those elements which do not occur more than on...read more
  2. Difference between a list and a tuple. Explain a use case where you will use a ...read more
  3. Explain how will you implement SCD Type...read more

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MathCo Senior Associate Interview Process

based on 5 interviews

1 Interview rounds

  • Technical Round
View more

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MathCo Senior Associate Salary
based on 226 salaries
₹10 L/yr - ₹28 L/yr
102% more than the average Senior Associate Salary in India
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MathCo Senior Associate Reviews and Ratings

based on 49 reviews

2.7/5

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2.4

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3.0

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2.7

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2.8

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2.6

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