WiFiStudy.com · A can do a job in 20 days, B in 30 days, and C in 60 days. If A NAMANIO is helped...
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WiFiStudy.com · A can do a job in 20 days, B in 30 days, and C in 60 days. If A NAMANIO is helped on every 3rd day by B and C. then how many days, the 12 PQ.MP