Question : The price of a variety of a commodity is INR 7 per kg and that of another is INR 12 per kg. Find the ratio in which two varieties should be mixed so that the price of the mixture is INR 10 per kg.
Option 1: 3 : 4
Option 2: 2 : 3
Option 3: 4 : 5
Option 4: 2 : 5
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Correct Answer: 2 : 3
Solution :
Given: The price of a variety of a commodity is INR 7 per kg and that of another is INR 12 per kg.
The ratio in which two varieties should be mixed so that the price of the mixture is INR 10 per kg = 2 : 3.
Hence, the correct answer is 2 : 3.
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