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A does 45 of a work in 20 days. After that, he calls B and they together finish the remaining work in 3 days. How long B alone would take to do the whole work? |
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Answer» A does 45 of a work in 20 days. After that, he calls B and they together finish the remaining work in 3 days. How long B alone would take to do the whole work? |
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