A and B can do a piece of work in 10 h. B and C do it in 15 h, while A and C take 12 h to complete the work. B independently can complete the work in

A and B can do a piece of work in 10 h. B and C do it in 15 h, while A

1.	A and B can do a piece of work in 10 h. B and C do it in 15 h, while A and C take 12 h to complete the work. B independently can complete the work in
A.	12 h
B.	16 h
C.	20 h
D.	24 h
Answer» E.

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A and B can do a piece of work in 10 h. B and C do it in 15 h, while A and C take 12 h to complete the work. B independently can complete the work in

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