A can do 1/5 of a work in 4 days while B can do 1/6 of a work in 5 days. in how many days both do it together
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Step-by-step explanation:
A can do 1/5 thof work in 4days means A take 20 days to complete a work and B take 30 days to complete a work
=1/20+1/30
=5/60
=1/12
therefore no of days taken by A and B to complete a piece of work is 12days
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