MCQs

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Overall MCQs for Reference

In Python, which built-in function returns the largest item in an iterable?
a. min()
b. median()
c. max()
d. sum()
Answer: c. max()geeksforgeeks+2
What is the primary use of the max() function in SQL?
a. To find the lowest value
b. To filter nulls
c. To find the highest value
d. To count items
Answer: c. To find the highest valuestratascratch+1
Which Excel function finds the largest value in a range of cells?
a. LARGE
b. MIN
c. MAX
d. MODE
Answer: c. MAXcorporatefinanceinstitute+1
Which argument is required for the Python max() function to perform its operation?
a. A string
b. An iterable
c. A dictionary
d. A Boolean
Answer: b. An iterablew3schools+1
What does the max() function return when used on a list of strings?
a. Shortest string
b. Longest string
c. Alphabetically last string
d. Alphabetically first string
Answer: c. Alphabetically last stringhyperskill+1
In Pandas, which method will return the maximum value of a Series object?
a. Series.maximum()
b. Series.max()
c. max(Series)
d. Series.highest()
Answer: b. Series.max()phdtalks
In MySQL, how is the MAX() function typically used?
a. To find the maximum value in a column
b. To calculate averages
c. To return all unique values
d. To find missing values
Answer: a. To find the maximum value in a columndatacamp+1
Which of the following data types can the max() function process in Python?
a. Only integers
b. Integers and floats
c. Any type with comparison defined
d. Strings only
Answer: c. Any type with comparison definedw3schools+1
What will max() return?alteryx+2
a. 2
b. 34
c. 17
d. 8
Answer: b. 34hyperskill+1
Given the SQL table “employees” with a column “salary,” which query finds the highest salary?
a. SELECT HIGH(salary) FROM employees;
b. SELECT MAX(salary) FROM employees;
c. SELECT TOP(salary) FROM employees;
d. SELECT UPPER(salary) FROM employees;
Answer: b. SELECT MAX(salary) FROM employees;geeksforgeeks+1
In Excel, what happens if the MAX function is provided only with empty cells?
a. Returns NULL
b. Returns 0
c. Returns FALSE
d. Returns an error
Answer: b. Returns 0corporatefinanceinstitute
For a NumPy array, which method correctly finds the maximum value?
a. array.max()
b. max(array)
c. NumPy.maximum()
d. array.findmax()
Answer: a. array.max()phdtalks
Which parameter of Python’s max() function allows for custom comparisons?
a. comparator
b. key
c. func
d. filter
Answer: b. keystackoverflow+1
Which clause in SQL is often combined with MAX() for segmented analysis?
a. ORDER BY
b. GROUP BY
c. DISTINCT
d. LIMIT
Answer: b. GROUP BYdatacamp+1
Which function is used in Python to get both the maximum and minimum value from an iterable?
a. minmax()
b. dualmax()
c. Use min() and max() separately
d. extval()
Answer: c. Use min() and max() separatelyrealpython+1
What value does max([‘apple’, ‘zebra’, ‘mango’]) return in Python?
a. apple
b. zebra
c. mango
d. an error
Answer: b. zebraw3schools+1
In an Excel formula, what does =MAX(A1:A10) do?
a. Returns the sum of A1 to A10
b. Returns the minimum of A1 to A10
c. Returns the maximum of A1 to A10
d. Returns the mode of A1 to A10
Answer: c. Returns the maximum of A1 to A10upgrad+1
How does the max() function handle NULL values in SQL?
a. Considers as 0
b. Ignores them
c. Treats as maximum
d. Returns error
Answer: b. Ignores themgeeksforgeeks+1
With which type of data can the MAX function be used in Alteryx’s Trifacta?
a. Integer
b. Decimal
c. Datetime
d. All of the above
Answer: d. All of the abovealteryx
In Qlik Sense, what does Max(Revenue, 2) do?
a. Finds second highest
b. Rounds value
c. Finds highest by default
d. Errors out
Answer: a. Finds second highestqlik
Which statement is true about MAX() in SQL?
a. Used to group rows
b. Is an aggregate function
c. Joins tables
d. Sorts data
Answer: b. Is an aggregate functiongeeksforgeeks
The Python function max() returns:w3schools
a. 0
b. 2
c. None
d. Error
Answer: b. 2hyperskill+1
To find the highest value in multiple columns in SQL, which approach is used?
a. Use MAX() across columns
b. Use MAX() per column and compare
c. Use SUM()
d. Use GROUP BY
Answer: b. Use MAX() per column and comparestratascratch+1
Using the key parameter, which code finds the longest string in a list in Python?
a. max(list, key=len)
b. max(list, len)
c. max(len, list)
d. max(list, max)
Answer: a. max(list, key=len)shiksha+2
What does max() return?corporatefinanceinstitute
a. 5
b. 0
c. None
d. Error
Answer: a. 5hyperskill+1
In an SQL query, where can MAX() appear?
a. SELECT clause only
b. ORDER BY only
c. WHERE clause only
d. SELECT and HAVING/GROUP BY clauses
Answer: d. SELECT and HAVING/GROUP BY clausesdatacamp+1
In which context is the Max function valuable in business intelligence tools like Qlik or Power BI?
a. Row filtering
b. Aggregating results for KPIs
c. Data cleaning
d. Data import only
Answer: b. Aggregating results for KPIsqlik
Given a DataFrame df in Pandas, what does df.max() return?
a. Tuple
b. Row with all 1s
c. Maximum values for each column
d. List of minimums
Answer: c. Maximum values for each columnphdtalks
Which function finds the highest sales in a quarterly sales dataset in Excel?
a. LARGEST()
b. HIGH()
c. MAX()
d. AVG()
Answer: c. MAX()upgrad+1
In SQL, what is the result of MAX(NULL, 100, 200)?
a. 100
b. 200
c. NULL
d. Error
Answer: b. 200, ignores NULLdatacamp+1
Which library has the max() method to find the highest value in a Python array?
a. matplotlib
b. NumPy
c. csv
d. seaborn
Answer: b. NumPyunstop+1
In Excel, which values does the MAX function ignore?
a. Logical and text values
b. Negative numbers
c. Zeros
d. Dates
Answer: a. Logical and text valuescorporatefinanceinstitute
Which parameter customizes comparators in Python’s max()?
a. comp
b. do
c. key
d. lambda only
Answer: c. keystackoverflow+1
What is the maximum of the list [1, 6, 9, -2, 0] in Python?
a. 0
b. 9
c. 6
d. -2
Answer: b. 9w3schools+1
In SQL, how does MAX() function handle grouped data?
a. Returns maximum for each group
b. Returns only one value
c. Groups are ignored
d. Returns sum per group
Answer: a. Returns maximum for each groupgeeksforgeeks+1
What happens if two max values are present in the iterable for Python’s max()?
a. Returns the first occurrence
b. Returns an error
c. Sums the values
d. Returns both
Answer: a. Returns the first occurrencehyperskill+1
Which of the following MAX() usages is incorrect in SQL?
a. SELECT MAX(age) FROM users;
b. SELECT MAX(salary) FROM employees;
c. SELECT MAX() FROM table;
d. SELECT MAX(dates) FROM calendar;
Answer: c. SELECT MAX() FROM table;datacamp+1
When comparing dictionaries in Python, can max() be used directly?
a. Yes, by default
b. Only with a key argument
c. Never
d. Only for sorted dicts
Answer: b. Only with a key argumentstackoverflow+1
In which Microsoft Office applications is MAX a valid function?
a. Excel only
b. Access and Excel
c. Word
d. PowerPoint only
Answer: b. Access and Excelcorporatefinanceinstitute
In Power BI formulas, how is the max function typically written?
a. MAXIMUM()
b. MAX()
c. HIGHEST()
d. VALUE()
Answer: b. MAX()qlik
In data preprocessing, finding the max is most often used for:
a. Normalization
b. Central tendency measures only
c. Creating categorical variables
d. Feature selection
Answer: a. Normalizationsaidatascience
What is the time complexity of finding the max value in a list of N numbers in Python?
a. O(1)
b. O(N)
c. O(logN)
d. O(N^2)
Answer: b. O(N)hyperskill
Which SQL statement is true about using MAX() with GROUP BY?
a. Finds max over whole table only
b. Finds max for each group defined
c. Sorts all data
d. Fails with dates
Answer: b. Finds max for each group definedgeeksforgeeks+1
What does the max() function return if all values are negative in Python?
a. 0
b. The least negative value
c. The most negative value
d. None
Answer: b. The least negative valuew3schools+1
In Excel, the MAX function’s result with a mix of positive and negative numbers is:
a. Always positive
b. The lowest number
c. The highest number regardless of sign
d. Returns error
Answer: c. The highest number regardless of signcorporatefinanceinstitute
Which SQL aggregate function finds the single highest value among duplicate rows?
a. COUNT()
b. MAX()
c. SUM()
d. MIN()
Answer: b. MAX()gyansetu+1
In Python, how could you use max() to identify the dictionary with the highest key?
a. max(dicts)
b. max(dicts, key=lambda x: x.key())
c. max(dicts, key=max)
d. max(dicts.keys())
Answer: d. max(dicts.keys())stackoverflow+1
What will max(‘hello’) return in Python?
a. ‘h’
b. ‘o’
c. ‘l’
d. ‘e’
Answer: b. ‘o’w3schools+1
For multi-dimensional NumPy arrays, how do you find a maximum along an axis?
a. np.max(axis=n)
b. array.max(axis=n)
c. max(axis=n)
d. np.maximum(axis=n)
Answer: b. array.max(axis=n)phdtalks
The max() function in data workflow platforms (like Alteryx, Qlik) is typically categorized as which type of function?
a. Cleaning
b. Aggregation
c. Mapping
d. Transformation
Answer: b. Aggregationalteryx+1

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