Answer:
How do you discover something that does not exist?
What can you hold in your right hand but never in your left hand?
How many bananas can you eat if your stomach is empty?
The answer I give is yes, but what I mean is no. What was the question?
An archaeologist unearths a coin bearing the inscription "57BC". How does he instantly know that it's a forgery?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?