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A can do a work in 4 days and B can do the same work in 3 days. How long it will take if both A and B do the work together ?

Correct Answer: 1 days 5/7 hours

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Math MCQ: A can do a work in 4 days and B can do the same work in 3 days. How long it will take if both A and B do the work together ? | Extra Education