Working together A and B can do a job in 36 days, B and C in 10 days a – McqOptions

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1.	Working together A and B can do a job in 36 days, B and C in 10 days and all three together in 9 days. In how many days can B alone do the job?
A.	90
B.	30
C.	24
D.	60
Answer» E.

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