In Excel, which function calculates the number of cells that contain numbers in a range? MCQ with Answer and Explanation

In Excel, which function calculates the number of cells that contain numbers in a range?
A. SUM()
B. COUNT()
C. COUNTIF()
D. COUNTA()
Answer: Option B
Solution (By JKSSB Mock Tests)
COUNT counts numeric cells. COUNTA counts non-empty cells of any type.

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In Excel, the 'Solver' add-in is used for:
A. Statistical analysis
B. Goal seeking
C. Optimization and what-if analysis with multiple constraints
D. Solving equations

Correct Answer: Option C


Explanation:
Solver finds optimal value for a target cell by changing multiple variables.

This question belongs to: Computer Microsoft Office
Question #2
In MS Word, what is a 'Style Set'?
A. A group of templates
B. A collection of styles with coordinated fonts and colors that can be applied to a document
C. A predefined set of keyboard shortcuts
D. A macro that formats text

Correct Answer: Option B


Explanation:
Style Sets change the look of the whole document by applying a group of styles.

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Question #3
In MS Access, what do you call a field that contains unique data values across all rows and is used to uniquely identify each record in a table?
A. Lookup Index column
B. Primary Key
C. Foreign Key
D. Composite reference field

Correct Answer: Option B


Explanation:
A Primary Key is a designated field that uniquely identifies each record or row inside a database table, and it cannot contain null values.

This question belongs to: Computer Microsoft Office