Answer:
When does 4 - 1 = 5 ?
How do you make the number one disappear by adding to it?
An archaeologist unearths a coin bearing the inscription "57BC". How does he instantly know that it's a forgery?
What is the building that you leave without ever having entered.
A traveller moved from North to East then to West and lastly South.. What was he looking for?
i'm popular for Knuzlocks what am i
Logic
Animal
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Easy
Food
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What am I?