MathCo Interview Questions, Process, and Tips

Q1. Testing of basic analytical skills and questions from resume and projects done recently
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Q2. Resume based questions only
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Q1. Few basic questions in react , JavaScript and Java
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Q2. Coding question to reverse words in string
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Q1. Basics of ML algorithms
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Q2. Case studies and why you'd like to join
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Q1. Leetcode 125: Valid Palindrome
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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
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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
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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...read more
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Q1. Basic HR questions
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Q1. Tell me about yourself
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Q2. Can you handle bulk email campaigns?
Ans. 
Yes, I have experience handling bulk email campaigns.
• I have successfully managed and executed multiple bulk email campaigns in my previous roles.

• I am proficient in using email marketing tools like Mailchimp, Constant Contact, and HubSpot.

• I have experience analyzing campaign performance metrics and optimizing email content for better engagement.
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Understanding compitators and their USP

Q1. Cultural fit round
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Aptitude mcq questions were asked. Next round was also an mcq round but it was based on English only, audio based and comprehension based questions

Q1. Technical and HR round was conducted together.
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