A merchant has 1550 kg of rice, one type of rice he sells at 15% profit and the other type at 20% profit. In the whole transaction, he gains 17%. What is the quantity of rice that was sold in profit of 20%? 

A merchant has 1550 kg of rice, one type of rice he sells at 15% profit and the other type at 20% profit. In the whole transaction, he gains 17%. What is the quantity of rice that was sold in profit of 20%?  Correct Answer 620

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