Answer:
What coin doubles in value when half is deducted?
A girl is sitting in a house at night that has no lights on at all. There is no lamp, no candle, nothing. Yet she is reading. How?
An archaeologist unearths a coin bearing the inscription "57BC". How does he instantly know that it's a forgery?
A traveller moved from North to East then to West and lastly South.. What was he looking for?
How do you discover something that does not exist?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?