2. A can do a piece of work in 15 days and B can do the same in 12 days. What part of work will they do in 3 days
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A IN 1 day = 1/15 part of work
B IN 1 day = 1/12 part of work
So if they both work for 3 days the work will be:-
FOR A
1/15 by 3 = 5
FOR B
1/12 by 3 = 4
B IN 1 day = 1/12 part of work
So if they both work for 3 days the work will be:-
FOR A
1/15 by 3 = 5
FOR B
1/12 by 3 = 4
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