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Padam purchased 30 kg of rice at rate of...

Padam purchased 30 kg of rice at rate of Rs. `17.50` per kg and another 30 kg rice at a certain rate. He mixed the two and sold the entire quantity at the rate of `18.60` per kg and made 20% overall profit. At what price per kg did he purchase the lot of another 30 kg rice?
(A) `Rs. 12.50` (B) `Rs. 13.50` (C ) `Rs. 14.50` (D) `Rs. 15.50`

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The correct Answer is:
`13.50 Rs.`
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Padam purchased 30 kg of rice at the rate of Rs. 17.50 per kg and another 30 kg rice at a certain rate. He mixed the two and sold the entire quantity at the rate of Rs. 18.60 per kg and made 20% overall profit. At what at price per kg did he purchase the lot of another 30 kg rice? R s .12.50 b. R s .13.50 c. R s .14.50 d. R s .15.50

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