C1, C2 and C3 can do a work alone in 10, 12 and 15 days respectively. All three of them began the work together but C2 left 2 days before the completion of the work. In how many days was the work completed?
- ((a))
(12/5) days
- ((b))
(14/3) days
- ((c))
(18/5) days
- ((d))
(17/3) days
Show Answer
(12/5) days















