A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B had to leave and A alone completed the remaining work. The whole work was completed in___________?

A and B can complete a work in 15 days and 10 days respectively. They

1.	A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B had to leave and A alone completed the remaining work. The whole work was completed in___________?
A.	8 days
B.	10 days
C.	12 days
D.	15 days
Answer» D. 15 days

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