If A, B and C together do a job in 4 days, A and C together do the job in 4.5 days and B and C together do the job in 12 days then in how many days can CÂ alone do the job?

If A, B and C together do a job in 4 days, A and C together do the job

1.	If A, B and C together do a job in 4 days, A and C together do the job in 4.5 days and B and C together do the job in 12 days then in how many days can CÂ alone do the job?
A.	36
B.	6
C.	18
D.	12
Answer» D. 12

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If A, B and C together do a job in 4 days, A and C together do the job in 4.5 days and B and C together do the job in 12 days then in how many days can CÂ alone do the job?

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