What does Ctrl + B do in MS Office applications? MCQ with Answer and Explanation

Question
What does Ctrl + B do in MS Office applications?
A. Aligns text to both margins
B. Applies bold formatting
C. Increases font size
D. Opens the bookmark dialog
Answer: Option B
Solution (By JKSSB Mock Tests)
Ctrl + B makes selected text bold. In Word, Ctrl + Shift + B opens the bookmark dialog. Ctrl + Shift + > increases font size.
This question belongs to: Computer Microsoft Office
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Practice More Microsoft Office Questions

Question #1
In Excel, what does the formula =SUMIF(A1:A10, ">5") do?
A. Returns error
B. Sums values in A1:A10 that are greater than 5
C. Counts cells greater than 5
D. Sums all values and adds 5
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Correct Answer: Option B

Explanation:
SUMIF with criteria ">5" sums cells >5 in the range.
This question belongs to: Computer Microsoft Office
Question #2
In MS Excel, what does the error code '#NULL!' indicate?
A. A formula specifies an intersection of two cell ranges that do not intersect.
B. A required lookup key value cannot be located inside a range array.
C. A formula attempts to divide a numeric value by an empty cell row.
D. A function name contains a typographical misspelling mistake.
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Correct Answer: Option A

Explanation:
The #NULL! error occurs when a space operator is used between two ranges that do not intersect, such as evaluating =SUM(A1:A2 B1:B2) instead of using a comma operator.
This question belongs to: Computer Microsoft Office
Question #3
What is the shortcut key to undo the last action in MS Office?
A. Alt + Backspace
B. Both A and C
C. Ctrl + Y
D. Ctrl + Z
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Correct Answer: Option B

Explanation:
Ctrl+Z is the standard undo, and Alt+Backspace also works in many Office apps as undo. So both are valid.
This question belongs to: Computer Microsoft Office
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