Maths A alone can do a piece of work in 12 days and B alone can do it in 18 days. Both of them started the work together but A left the work 3 days before the completion of the work. In how many days the whole work was completed?
| Q.201436: A alone can do a piece of work in 12 days and B alone can do it in 18 days. Both of them started the work together but A left the work 3 days before the completion of the work. In how many days the whole work was completed? |
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