A can do a piece of work in 14 days which B alone can do in 21 days. They begin together but 3 days before the completion of the work, A leaves off. The total number of days for the work to be complet

A can do a piece of work in 14 days which B alone can do in 21 days

1.	A can do a piece of work in 14 days which B alone can do in 21 days. They begin together but 3 days before the completion of the work, A leaves off. The total number of days for the work to be complet
A.	6 3/5 days
B.	8 ½ days
C.	10 1/5 days
D.	13 ½ days
Answer» D. 13 ½ days

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A can do a piece of work in 14 days which B alone can do in 21 days. They begin together but 3 days before the completion of the work, A leaves off. The total number of days for the work to be complet

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