If A and B together can complete a work in 18 datys, A and c together – McqOptions

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1.	If A and B together can complete a work in 18 datys, A and c together in 12 days , and B and C together in 9 days , then B alone can do the work in
A.	18 days
B.	24 days
C.	30 days
D.	40 days
Answer» C. 30 days

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