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A completes a work in 16 days. After working for 8 days, B joins him and they finish the remaining work in 4 days. B alone can complete the work in:

Correct Answer: 16 days

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Math MCQ: A completes a work in 16 days. After working for 8 days, B joins him and they finish the remaining work in 4 days. B alone can complete the work in: | Extra Education