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1. |
If the excavation of the earth is done manually then it costs Rs. 10 per cum. A machine can excavate at fixed cost of Rs. 4000 plus a variable cost of Rs. 2 per cum. The quantity of earth for which the cost of excavation by machine will be equal to the cost of manual excavation is |
A. | 500 cum. |
B. | 1000 cum. |
C. | 1500 cum. |
D. | 2000 cum. |
Answer» B. 1000 cum. | |