Which key is used to Fill down
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Ctrl + 3
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Ctrl + 5
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Ctrl + D
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Ctrl + F10
C
Correct answer
Explanation
Ctrl + D is the keyboard shortcut used to Fill Down in Excel, which copies the content and formatting from the cell above to the selected cell or range. This is a commonly used shortcut for quickly filling data vertically. The other options like Ctrl + 3 and Ctrl + 5 are not standard Excel shortcuts for filling, and Ctrl + F10 is used for maximizing or restoring the workbook window.