Working together A, B and C can complete a task in 12 days. A and B can do the task in 55 days and 66 days respectively if they worked alone. In how manyÂ days can C do the task if he worked alone?

Working together A, B and C can complete a task in 12 days. A and B ca

1.	Working together A, B and C can complete a task in 12 days. A and B can do the task in 55 days and 66 days respectively if they worked alone. In how manyÂ days can C do the task if he worked alone?
A.	22
B.	44
C.	20
D.	40
Answer» D. 40

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Working together A, B and C can complete a task in 12 days. A and B can do the task in 55 days and 66 days respectively if they worked alone. In how manyÂ days can C do the task if he worked alone?

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