Accidently you happened to make a mistake while working with your document. What short-cut key you will use to reverse the action?Ctrl+ZCtrl+ACtrl+XCtrl+Y

Break Down the Problem

1. Identify the action performed mistakenly in a document.
2. Determine the shortcut key used to reverse the last action.

Relevant Concepts

• Shortcut keys are combinations of keys used to perform certain functions quickly.
• The most common shortcut for "undoing" an action in many applications is Ctrl + Z.

Analysis and Detail

1. Ctrl + Z: This is the standard shortcut for undoing the last action.
2. Ctrl + A: This selects all content in the document.
3. Ctrl + X: This cuts the selected content.
4. Ctrl + Y: This generally redoes an action that has been undone, but it does not reverse an action.

Verify and Summarize

• The action to reverse a mistake in a document is confirmed to be Ctrl + Z, as it is recognized universally to undo the last change made.

Final Answer

The correct shortcut key to reverse the action is Ctrl + Z.