A can do a piece of work in 15 days. A does the work for 5 days only and leaves the job. B does the remaining work in 3 days.In how many days B alone can do the work?
Choose the correct choice from the following options:
A) 5days
B) 7 days
C) 12 days
D) 4.5 days
E) 10 days
Explanation:   A’s 5 day work = 5*1/15=1/3   Remaining work = 1-1/3=2/3   B completes 2/3 work in 6 days   B alone can do in x days   2/3*x=3   X=4.5 days   Answer: Option 4.5 days
<result>D</result>
A can do a piece of work in 15 days. A does the work for 5 days only and leaves the job. B does the remaining work in 3 days.In how many days B alone can do the work?