Person A, B and C can complete a task together in 81 days. A and B can completed the same task together in 97.2 days. B can C can complete the same task together in 162 days. In how many days can B alone complete the task?

Person A, B and C can complete a task together in 81 days. A and B can

1.	Person A, B and C can complete a task together in 81 days. A and B can completed the same task together in 97.2 days. B can C can complete the same task together in 162 days. In how many days can B alone complete the task?
A.	243
B.	225
C.	261
D.	234
Answer» B. 225

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Person A, B and C can complete a task together in 81 days. A and B can completed the same task together in 97.2 days. B can C can complete the same task together in 162 days. In how many days can B alone complete the task?

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