Question
A shopkeeper sells rice in such a way that the selling
price of 950 gm is the same as the cost price of one kilogram. Find his gain percent.Solution
Let the Cost Price (C.P.) of 1 kg of rice be ₹C. The C.P. of 950 gm = 950/1000 × C= 95C/100= 19C/20. The S.P. of 950 gm is the same as the C.P. of 1 kg, which means S.P. = C. Find the Profit 
Hence, The shopkeeper's gain percentage is ( 100/19​)%
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