Answer:
What was the longest river in the world before the Amazon River was discovered?
I moved in town but after every minute I would ask different people the same question but I got different answers... What was the question?
What coin doubles in value when half is deducted?
An archaeologist unearths a coin bearing the inscription "57BC". How does he instantly know that it's a forgery?
Is an older one-hundred dollar bill worth more than a newer one?
I stand in one place yet fill the whole room. I can be filled with molten rock and come in every hue. What am I?