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Roshan alone can build a fence in 20 days .He starts the work and leaves it after 5 days . Ramesh does the remaining work in 12 days.How long will it take if Ramesh did the whole work alone ? How long will it take if Roshan and Ramesh work together from the beginning ? |
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Answer» Roshan alone can build a fence in 20 days .He starts the work and leaves it after 5 days . Ramesh does the remaining work in 12 days.How long will it take if Ramesh did the whole work alone ? How long will it take if Roshan and Ramesh work together from the beginning ? |
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