A and B can do a piece of work in 18 days, B and C in 24 days, A and C in 36 days. In what time can they do it all working together ?

A and B can do a piece of work in 18 days, B and C in 24 days, A and C

1.	A and B can do a piece of work in 18 days, B and C in 24 days, A and C in 36 days. In what time can they do it all working together ?
A.	12 days
B.	13 days
C.	16 days
D.	26 days
Answer» D. 26 days

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A and B can do a piece of work in 18 days, B and C in 24 days, A and C in 36 days. In what time can they do it all working together ?

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