16. What is the shortcut key for undoing the last action in Microsoft Word?
a) Ctrl + C
b) Ctrl + V
c) Ctrl + Z
d) Ctrl + Y
Answer: c) Ctrl + Z
17. Which Microsoft Office application is used for managing email?
a) Word
b) Excel
c) PowerPoint
d) Outlook
Answer: d) Outlook
18. What is the extension for a Microsoft PowerPoint presentation?
a) .docx
b) .xlsx
c) .pptx
d) .pdf
Answer: c) .pptx
19. Which of the following is a formula in Microsoft Excel?
a) Ctrl + S
b) SUMIF
c) Ctrl + C
d) Ctrl + V
Answer: b) SUMIF
20. What is the shortcut key for opening the Format Cells dialog box in Microsoft Excel?
a) Ctrl + 1
b) Ctrl + 2
c) Ctrl + 3
d) Ctrl + 4
Answer: a) Ctrl + 1