Given:
Cost of first variety of rice = ₹165/kg
Cost of second variety of rice = ₹285/kg
Desired price of mixture = ₹195/kg
Formula Used:
Use the rule of alligation:
Ratio = (CP2 - Mean Price) : (Mean Price - CP1)
Solution:
Ratio = (285 - 195) : (195 - 165)
= 90 : 30 = 3 : 1
The grocer must mix the two varieties of rice in the ratio 3 : 1
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