A dishonest shopkeeper sells his grocery at cost price and earns a profit equal to 20% of his selling price. If he uses false weight to make this gain, find the weight lose per kilogram that lead to the profit if he sold 25 Kg of goods at Rs. 20 per kilogram.
1
100 g
2
150 g
3
200 g
4
250 g
5
300 g