If the excavation of earth is done manually then it costs Rs. 80 per m3. A Machine can excavate at a fixed cost of Rs. 60000 plus a variable cost of Rs. 20 per m3. The quantity of earth for which the cost of excavation by machine will be equal to the cost by manual excavation is

If the excavation of earth is done manually then it costs Rs. 80 per m

1.	If the excavation of earth is done manually then it costs Rs. 80 per m3. A Machine can excavate at a fixed cost of Rs. 60000 plus a variable cost of Rs. 20 per m3. The quantity of earth for which the cost of excavation by machine will be equal to the cost by manual excavation is
A.	500 m3
B.	1000 m3
C.	1500 m3
D.	2000 m3
Answer» C. 1500 m3

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If the excavation of earth is done manually then it costs Rs. 80 per m3. A Machine can excavate at a fixed cost of Rs. 60000 plus a variable cost of Rs. 20 per m3. The quantity of earth for which the cost of excavation by machine will be equal to the cost by manual excavation is

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