One grain is sold for ₹84/kg at 20% profit. Another is sold for ₹72/kg at 20% profit. Mixed in ratio 3:2 and sold at ₹78/kg, what is the profit/loss percentage?

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Accepted Answer

1. Find cost prices:
   - First: sold at ₹84 with 20% profit so cost $=84/1.2=70$.
   - Second: cost $=72/1.2=60$.
2. Mix in ratio 3:2: mean cost $=(3	imes70+2	imes60)/5=66$.
3. Selling price is ₹78. Profit percent $=(78-66)/66	imes100=\frac{12}{66}	imes100\approx18.18\%$.
4. So option (c) is correct.
FINAL_ANSWER: c

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