A and B can do a piece of work in 6 and 12 days, respectively. They (both) will complete the work in how many days?

A and B can do a piece of work in 6 and 12 days, respectively. They (b

1.	A and B can do a piece of work in 6 and 12 days, respectively. They (both) will complete the work in how many days?
A.	9 days
B.	18 days
C.	6 days
D.	4 days
Answer» E.

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A and B can do a piece of work in 6 and 12 days, respectively. They (both) will complete the work in how many days?

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