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A can do a piece of work in 40 days and B in 45 days. They work together for 10 days and then B goes away. In how many days wil A finish the remaining work? |
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Answer» A can do a piece of work in 40 days and B in 45 days. They work together for 10 days and then B goes away. In how many days wil A finish the remaining work? |
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