Crisil Quality Analyst Interview Questions and Answers

There were 3 rounds for data science consultant position at Equifax. 1st round consists of Python and SQL questions and also in this round they have tested analytical thinking as well.

In 2nd round they have asked me questions from my resume and asked me to explain the projects which I have worked on in previous company. In this round they have asked me pandas related questions and asked me write code.

Q1. In Managerial round again here I have been asked questions related my projects. and no coding round in this stage.
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Q1. What is Tuples? How do you convert a string to a tuple?
Ans. 
Tuples are immutable sequences of elements. A string can be converted to a tuple using the tuple() function.
• Tuples are similar to lists but are immutable

• Elements of a tuple are enclosed in parentheses ()

• A string can be converted to a tuple using the tuple() function

• Each character in the string becomes an element in the tuple
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Q2. What is Left Join? Show one Left join for 2 data frames on Python
Ans. 
Left join is a type of join operation in SQL that returns all the rows from the left table and matching rows from the right table.
• Left join is performed using the 'left join' keyword in SQL

• In Python, left join can be performed using the 'merge' function from the pandas library

• Syntax: pd.merge(left_dataframe, right_dataframe, how='left', on='key_column')

• Example: pd.merge(df1, df2, how='left', on='id')
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Q1. Intro about ratings
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Q2. Intro with CBO, basic questing regarding the company
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Q1. Telephonic round with basic questions regarding experience and CV
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Basic finance related question and general k knowledge questions

Q1. About yourself and balance sheet questions
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Q1. Basic English test
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Q1. Liquidity ratios
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Q1. Market analysis? Ratios
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Q2. Market? Ratios Analysis
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Q3. Personal questions
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Q1. What is your salary expectations?
Ans. 
I am looking for a competitive salary that reflects my experience and skills.
• Research industry standards for similar positions

• Consider cost of living in the area

• Factor in benefits and potential for growth within the company
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Q1. About the regulatory bodies?
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