A can complete a work in 12days and B can do the same work in 6days. If A after doing 3days, leaves the work, find in how many days B will do the remaining work?  Choose the correct choice from the following.
A) 2 1/2days B) 4 1/2days C) 6 1/2days D) 7 1/2days E) 10 1/2days
The required answer = (12-3)*6 / 12 = 54/12 = 4 1/2days   Answer is 4 1/2days
<result>B</result>
A can complete a work in 12days and B can do the same work in 6days. If A after doing 3days, leaves the work, find in how many days B will do the remaining work?