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A and B together can do a piece of work in 8 days. B works alone for 4 days and then A joins him. The work finishes in 2 more days. How long does A alone take?

Correct Answer: 12 days

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Math MCQ: A and B together can do a piece of work in 8 days. B works alone for 4 days and then A joins him. The work finishes in 2 more days. How long does A alone take? | Extra Education