if A can do 1/6 of a certain work in 4 days and B can do 2 /3 of the work in 12 days, then how long will Aand B take to complete the work together?
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if A can do 1/6 of a certain work in 4 days and B can do 2 /3 of the work in 12 days, then how long will Aand B take to complete the work together?
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