Entry Test MCQ :: Ratio Rates and Proportion

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9 excavators working 10 hrs. a day remove 2500 cubic feet of earth in 3 days. How many excavators working 6 hrs. a day are required to remove 5000 cube feet of earth in 2 days?

[A].	55	[B].	50
[C].	45	[D].	40

Answer: Option C

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