A shopkeeper mixes three types of rice costing ₹50 per kg, ₹60 per kg and ₹75 per kg in the ratio of 3 : 1 : 2. The average cost of the mixture per kg is:
Explanation:
Let the quantity mixed is 3 kgs, 1 kg and 2 kgs respectively.
∴ Average cost per kg = 3×50+1×60+2×753+1+2 = 3606 = Rs. 60/kg
Hence, option (c).
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