Question

Data from two production faces of an open pit iron ore mine are given.

Item descriptionFace 1Face 2
Maximum production capacity (tonne/day)16002000
Fe (%)6358
Production cost of ores (in INR/tonne)15001200

Ores from two different faces are blended and supplied with Fe grade not less than 60 %. Based on the demand, the combined production is limited to a maximum of 2500 tonne/day. If the selling price of blended iron ores is INR 4500 /tonne, the optimal production from two faces in tonne/day, for maximizing the profit, respectively are

MCQ

1000.0 and 1500.0

1333.3 and 1166.7

1600.0 and 900.0

500.0 and 2000.0

Solutions
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