A can do a piece of work in 8 days which B can do in 12 days. B worked at it for 9 days. A can finish the remaining work in ?  Choose the correct option
A) 2 days
B) 5 days
C) 6 days
D) 7 days
E) 11 days
B's 9 day's work = 9 x (1/12) = 3/4   Remaining work = (1 - 3/4) = 1/4   1/4 work is done by A in = 8 x (1/4) = 2 days.   answer : 2 days
<result>A</result>
A can do a piece of work in 8 days which B can do in 12 days. B worked at it for 9 days. A can finish the remaining work in ?