Take Quiz - ⚡ Mixed Aptitude Test

1. What is Pandas in Python used for?

Web development Game creation Data analysis and manipulation Image editing

2. Which method is used to read a CSV file in Pandas?

pd.read() pd.open_csv() pd.read_csv() pd.load_csv()

3. Which function returns the first 5 rows of a DataFrame?

df.tail() df.top() df.first() df.head()

4. What does df.describe() do?

Returns summary statistics of numeric columns Describes the column names Converts data types Fills missing values

5. What is the result of df[df['Age'] > 30]?

All rows Rows where Age is less than 30 Rows where Age is less than 30 Only Age column

6. Which method gives the shape (rows, columns) of the DataFrame?

df.dimensions df.size() df.shape df.length()

7. How to get a single column named "Salary" from a DataFrame df?

df.get('Salary') df['Salary'] df.Salary Both B and C

8. What does df.dropna() do?

Removes duplicate rows Drops NaN (missing) values Removes a column None of the above

9. Which method is used to reset the DataFrame index?

df.index.reset() df.reset_index() df.reindex() df.set_index()

10. What does axis=1 mean in pandas?

Row-wise operation Column-wise operation Diagonal Reverse order