A Sweet girl purchased a book from a bookkeeper and give him Rs. 100.The cost of book is Rs.30 but the bookkeeper had got no change, so he get the change from next shop and return the girl her 70 Rupees.
After some time time the next shopkeeper comes with the 100Rs note and told the bookkeeper that the note is fraud, so he takes money back.
How much loss did the bookkeeper face ?
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