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A grocer purchased 2 kg. of rice at the rate of Rs. 15 per kg. and 3 kg. of rice at the rate of Rs. 13 per kg. At what price per kg should he sell the mixture to earn 33.33% profit on the cost price?1). Rs. 28.002). Rs. 20.003). Rs. 18.404). Rs. 17.40 |
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Answer» Price of 2 kg rice I = Rs. 30 Price of 3 kg rice II = Rs. 39 ⇒ Price of 5 kg mixture = Rs. 30 + Rs. 39 = Rs. 69 Now, 33.33% profit is required ⇒ 100 + 100/3 of CP ⇒ 400/3% of CP = [400/(3 × 100)] × 69 = 4 × 23 = Rs. 92 ⇒ SELLING price of 5 kg mixture of rice = Rs. 92 ∴ Selling price of 1 kg mixture = 92/5 = Rs. 18.40 PER kg |
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