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If 18 pumps can raise 2170 tonnes of water in 10 days, working 7 hours a day ; in how many days will 16 pumps raise 1736 tonn...

MCQ Practice Mathematics

If 18 pumps can raise 2170 tonnes of water in 10 days, working 7 hours a day ; in how many days will 16 pumps raise 1736 tonn...

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