Q. A can do a piece of work in 18 days and B in 12 days. They began the work together, but B left he work 3 days before its completion. In how many days, in all, was the work completed? - Study24x7
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Q. A can do a piece of work in 18 days and B in 12 days. They began the work together, but B left he work 3 days before its completion. In how many days, in all, was the work completed?

A

12

B

10

C

9.6

D

9

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