चीनी की मात्राओं का वह अनुपात, जिसमें : 20 रु. प्रति किग्रा. वाली चीनी को 15 रु.: प्रति किग्रा. वाली चीनी के साथ मिलाकर : मिश्रण को 16 रु. प्रति किग्रा. के भाव से बेचने पर न हानि हो और न लाभ, होगा-
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The required ratio is 1:2 (i.e. 1 part of Rs. 20/kg sugar and 2 parts of Rs. 15/kg sugar).
Therefore, 1 kg of Rs. 20/kg sugar is mixed with 2 kg of Rs. 15/kg sugar.
The cost of 1 kg of this mixture = (1 x 20 + 2 x 15) / (1 + 2) = 50 / 3.
To sell the mixture at Rs. 16/kg, there should be no profit and no loss.
Therefore, the cost price of the mixture should be Rs. 16/kg.
But the cost price of 1 kg of the mixture is Rs. 50/3.
Therefore, the required ratio of Rs. 20/kg sugar and Rs. 15/kg sugar is not possible to sell the mixture at Rs. 16/kg.
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