An oil company has two depots A and B...

An oil company has two depots A and B with capacities of 7000 L and 4000 L respectively. The company is to supply oil to three petrol pumps, D, E and F whose requirements are 4500L, 3000L and 3500L respectively. The distances (in km) between the

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From A to D,E,F,500 litres, 3000 litres, 3500 litres respectively and from B to D,E,F 4000 litres, 0 litres, 0 litres respectively, Minimum cost `=Rs. 4400`.

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