3. A trader mixes three varieties of groundnuts costing rs50, rs20 and rs30 per kg in the ratio 2:3 : 4 in terms of weight, and sells the mixture at rs33 per kg What percentage of profit does he make?
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Answer:
6.07%
Step-by-step explanation:
CP's = ₹50 , ₹20, ₹30 / kg.
mixure = 2 : 3 : 4
total CP/kg : (50×2 + 20×3 + 30×4)/ (2+3+4) = 280/9
SP / kg = ₹33
profit = SP - CP
profit = [33 - 280/9] = 17/9
profit% = profit ×100/CP
profit% = 17/9 × 100/ [280/9]
profit% = 6.07%
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