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A can complete a work in 15 days and B in 20 days. They work together for 4 days after which B leaves. The remaining work will be completed by A in:

Correct Answer: 8 days

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Math MCQ: A can complete a work in 15 days and B in 20 days. They work together for 4 days after which B leaves. The remaining work will be completed by A in: | Extra Education