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The ratio of density of 3 kinds of petrol P_(1),P_(2) and P_(3) is 9:7:5. The density of P_(1) is 18 gm/ cc and P_(1),P_(2),P_(3)d are mixed in the ratio of 6:5:4 by weight. If a litre of P_(3) cost Rs. 40, then find the cost of P_(3) in 450 kg of mixture of P_(1), P_(2) and P_(3) |
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Answer» RS. 380 |
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