A can do a piece of work in 9 days and B in 18 days. They began the work together but 3 days before the completion of work A leaves. The time taken to complete the work is:

A can do a piece of work in 9 days and B in 18 days. They began the wo

1.	A can do a piece of work in 9 days and B in 18 days. They began the work together but 3 days before the completion of work A leaves. The time taken to complete the work is:
A.	5 days
B.	8 days
C.	7 days
D.	11 days
Answer» C. 7 days

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A can do a piece of work in 9 days and B in 18 days. They began the work together but 3 days before the completion of work A leaves. The time taken to complete the work is:

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