A, B and C can finish a job working alone in 72, 24 and 36 days respec – McqOptions

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1.	A, B and C can finish a job working alone in 72, 24 and 36 days respectively. In how many days they can finish the job if they worked together?
A.	12
B.	9
C.	15
D.	18
Answer» B. 9

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