simple but confusingLevel pending
A lady enters shop and she purchase goods of Rs. 200 and gives the shopkeeper a note of Rs. 1000. But the shopkeeper does not have change so he brings change from next shop from which he gives Rs. 800 to the lady and keeps Rs. 200 for himself. Later the next shopkeeper comes and says the note of Rs. 1000 was duplicate. How much loss did shopkeeper face?