Hansa Direct Team Leader (Nontechnical) Interview Questions and Answers

Mails,for offboarding , Onboarding

Q1. About yourself, about company
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Mathematics, English and Reasoning..

Q1. What is python? What is uses of python?
Ans. 
Python is a high-level, interpreted programming language used for web development, data analysis, artificial intelligence, and more.
• Python is easy to learn and has a simple syntax.

• It is used for web development with frameworks like Django and Flask.

• Python is popular for data analysis and visualization with libraries like Pandas and Matplotlib.

• It is used for artificial intelligence and machine learning with libraries li...read more
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Q2. Some coding based questions of python.
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Q1. Salary and work discussionion
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Q2. Short and long term goals.
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Q3. Work Role, post and company work.
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Q1. Difference between union and union all in SQL?
Ans. 
Union combines and removes duplicates, Union All combines without removing duplicates.
• Union combines result sets and removes duplicates

• Union All combines result sets without removing duplicates

• Union is slower than Union All as it involves removing duplicates

• Example: SELECT column1 FROM table1 UNION SELECT column1 FROM table2;

• Example: SELECT column1 FROM table1 UNION ALL SELECT column1 FROM table2;
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Q2. How to show top 5 in pandas?
Ans. 
To show top 5 in pandas, use the nlargest() function.
• Use the nlargest() function with the 'n' parameter set to 5 to get the top 5 values in a pandas DataFrame.

• For example: df['column_name'].nlargest(5) will return the top 5 values in the specified column.
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Q1. If we have 3 numerical columns, which chart is a better representation these column?
Ans. 
A scatter plot is a better representation for 3 numerical columns.
• Use a scatter plot to show the relationship between the numerical columns.

• Scatter plots are effective for visualizing correlations and patterns in data.

• Each point on the plot represents a data point with values from all 3 columns.
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