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A and B can complete a piece of work in 80 and 120 days respectively. They together start the work but A left after 20 days. After another 12 days C joined B and now they complete the work in 28 more days. In how many days C can complete the work, working alone?1). 100 days2). 112 days3). 120 days4). 126 days |
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Answer» Solution A did the WORK for 20 days, B did the work for (20 + 12 + 38) = 60 days, C did the work for 28 days. Let C alone can complete the work in X days. |
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