Its so embarrassing for me to see all my 6-7 qns at once place when I edited few tags. Any way to revert my edit?
There's no way for this. Every edit to a post bumps it to the front page, to prevent users from making malicious edits and nobody noticing it. This is true even for rollbacks (those can be malicious too under certain circumstances). I'm sure you meant no harm, but there's no way to undo this right now; just sit still and relax :)