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Mathematics, 26.07.2019 20:30 spiritcampbell56
A, b and c can do a work in 20,30 and 60 days respectively. if b and c a in every 3 days, when can a finish the work?
12 days
15 days
16 days
18 days
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Answers: 3
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A, b and c can do a work in 20,30 and 60 days respectively. if b and c a in every 3 days, when can...
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