Multiple choice general knowledge I have no idea Your Guess Is As Good As Mine Til the cows come home Spitting Image Pig Out Reveal answer Fill a bubble to check yourself A Correct answer Explanation 'Your guess is as good as mine' is used when someone admits they don't know something and acknowledges that others would be equally uncertain. It's a conversational way of saying 'I have no idea' while being honest about one's lack of knowledge.