MathCo Associate Consultant Interview Questions and Answers

DSA Round - Need to explain the answer

1hr, hacker rank, was a good problem to solve

Q1. Explain joins in SQL
Ans. 
Joins in SQL are used to combine rows from two or more tables based on a related column between them.
• Joins are used to retrieve data from multiple tables based on a related column between them

• Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• INNER JOIN returns rows when there is at least one match in both tables

• LEFT JOIN returns all rows from the left table and the matched rows from the right table

• ...read more
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Q2. What are object and class in OOPs?
Ans. 
Objects are instances of classes in OOPs. Classes are blueprints for creating objects with attributes and methods.
• Objects are instances of classes

• Classes are blueprints for creating objects

• Classes define attributes and methods for objects

• Example: Class 'Car' with attributes like 'color' and methods like 'drive'
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Q1. It was a basic introduction with HR
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Q1. 2nd round was with Operation Head basically he wanted to know that are you comfortable with shifts and long office hours without and expectations.
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Q1. Direction will ask you some basic questions and congrats you are good to go
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Q1. Last company job description
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Q1. They will only check your attitude.
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Q2. Simple question like tell me about yourself, experiences education etc
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Q1. They will tell you the JD and ask you similar questions.
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Q1. They will simply ask about yourself and nothing
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Its kind of Geometry question, they asked me to code
but i kind of forget basic like, in coding they asked me geometry and not able to think of solution so it went bad