If 18 pumps can raise 2170 tones of water in 10 days, working 7 hours a day; in how many days will 16 pumps raise 1736 tones of water, working 9 hours a day?
Solution
Correct Answer: Option B
18 pumps can raise 2170 tones of water working 7 hours in 10 days
16 pumps raise 1736 tones of water, working 9 hours in=(10×18×7×1736)/(2170×16×9)
=7 days
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