Michael Page International Live Project Intern Interview Questions and Answers

On python and sql coding.they ask simple to complex questions

Q1. On data science machine learning
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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. Reference from whom ?
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Q2. How much experience do you have ?
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Nice aptitude questions of logical reasons and data interpretation

Logical Reasoning & Aptitude test, Grammar test.

Q1. You are given some EAN number, bases on that you have to find details of the product and answer the questions.
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Q2. 1. Introduction 2. Questions about Prior work experience.
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Q1. Tell me about current job responsibilities.
Ans. 
Currently responsible for overseeing team performance, developing strategies, and ensuring project deadlines are met.
• Leading a team of 10 employees in project management

• Developing and implementing strategies to improve efficiency

• Monitoring progress and ensuring deadlines are met

• Collaborating with other departments to achieve company goals
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Q1. Tell me about yourself
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Q2. Why do you want to join Roche.
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