Question
A shopkeeper mixes two types of sugar priced at Rs 60
per kg and Rs 40 per kg in the ratio 3 : 2. He sells the mixture at Rs 65 per kg. Find his profit percentage.Solution
Cost price (CP) of 3 kg at Rs 60/kg = 3 × 60 = 180 CP of 2 kg at Rs 40/kg = 2 × 40 = 80 Total CP for 5 kg = 180 + 80 = 260 CP per kg = 260 / 5 = 52 Selling price (SP) per kg = 65 Profit per kg = 65 − 52 = 13 Profit % = (Profit / CP) × 100 = (13 / 52) × 100 = (1 / 4) × 100 = 25%
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