A is twice as efficient as B. Time taken byB to complete (4)/(7) part – InterviewSolution

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1.	A is twice as efficient as B. Time taken byB to complete (4)/(7) part of the work is 6n days more than the time taken by A to complete (3)/(7) part of the same work. In how many days canA alone do the work?
Answer» ANSWER :`8(2)/(5)` DAYS

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