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Rice worth Rs. 126 per kg and Rs. 135 per kg are mixed with a third variety in the ratio 1 : 1 : 2. If the mixture is worth Rs. 153 per kg, then the price of third variety of rice per kg?

Correct Answer: Rs. 175.5

Explanation:

Let the price of required variety = Rs. P/kg


Then, respective amounts were m kg, m kg and 2m kg


= 126m + 135m + 2pm = 153 x 4m


=> 2p = 351


p = 175.5 / kg


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