A and B together can complete a piece of work in 4 days. If A alone can complete the same work in 12 days, in how many days can B alone complete that work ?
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4/12 = 1/3. It means A completes 1/3 and B completes 2/3 of the work.
1/3 × 12 = 4 and 2/3 × ? = 4, ∴B alone can complete that work in 6 days..!
1/3 × 12 = 4 and 2/3 × ? = 4, ∴B alone can complete that work in 6 days..!
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B Alon work done in 6 days
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