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If a Drilling Rig Operates 10 Hours a Day and Takes

Question 91

Multiple Choice

If a drilling rig operates 10 hours a day and takes 40 hours to drill 8 meters of earth's surface, the productivity of the drilling rig will be _____.


A) 2 meters per day
B) 1 meter per day
C) 0.8 meters per day
D) 0.4 meters per day

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