An oil company requires 12000, 20000 and 15000 barrerls of high grade, medium grade and low grade oil respectively. Refinary A produces 100,300 and 200 barrerls per day of high, medium and low grade oil respectively whereas refinary B produces 200,400,100 barrels per day respectively.If A costs Rs.400 per day and B Rs.300 costs per day to operate, how many days should each refinery be run to minimize the cost of meeting requirements.

An oil company requires 13000, 20000 and 15000 barrels of high grade, medium grade and low grade oil respectively, Refinery A produces 100, 300 and 200 barrels per day of high, medium and low grade oil respectively whereas refinery B produces 200, 400 and 100 barrels per day respectively. If A costs Rs 400 per day and B costs Rs 300 per day to operate, how many days should each be run to minimise the cost of requirement?

How is leaching carried out in case of low grade copper ores?

How is copper extracted from low grade copper ores ?

How is leaching carried out in case of low grade copper ores ?

A pharmaceutical company requires everyday 10,12,12 units of chemicals C_1,C_2 and C_3 respectively. A liquid product contains 5,2,and 1 units of chemicals C_1, C_2 and C_3 respectively per bottle and its cost is Rs.300 per bottle. A dry product contains 1,2 and 4 units of chemicals C_1, C_2 and C_3 respectively per box and it costs Rs.200 per box. how much quantitiy of either of the two products should be purchased daily in order to minimize the cost.

A soft drinks firm has two bottling plants, one located at P and the other located at Q. each plant produces three different soft drinks A, B and C. The capacities of two plants in number of bottles per day, are as follows: A market survey indicates that during the month of April, there will be a demand of 24000 bottles of A, 16000 bottles of B and 48000 bottles of C. The cost of running the two plants P and Q are respectively Rs.6000 and Rs.4000 per day. find graphically, the number of days for which either of the two plants P and Q should be run in the month of April so as to minimize production cost while still meeting the market demand.

A soft drinks firm has two bottling plants, one located at P and the located at Q. Each plant produces three different soft drinks A, B and C. The capacities of two plants in number of bottles per day, are as follows: A market survey indicates that during the month of April, there will be a demand for 24000 botlles of A, 16000 bottles of B and 48000 bottles of C. The cost of running the two plants P and Q are respectively Rs 6000 and Rs 4000 per day. Find graphically, the number of days for which either of the two plants P and Q should be run in the month of April so as to minimise production cost while still meeting the market demand.