A very simple but confusing puzzle.
A lady buys goods worth rs.200 from a shop.
(shopkeeper selling the goods with zero profit).
The lady gives him 1000 rs note. The shopkeeper
gets the change from the next shop and keeps 200
for himself and returns rs.800 to the lady.
Later the shopkeeper of the next shop comes with
the 1000rs note saying "duplicate" and takes his
"How much LOSS did the shopkeeper face ?"
answer this &
Justify your explanation.